Structure acetic acid

Acetic acid, also known as ethanoic acid or methanecarboxylic acid, is a colorless liquid with a strong and distinct pungent and sour smell. Its chemical formula is C2H4O2 or can be written as ...

Question: Draw the Lewis structure of acetic acid (CH3COOH) and then choose the appropriate set hybridization states for the two central carbon atoms. Your answer choice is independent of the orientation of your drawn structure. There are 2 steps to solve this one.Trichloroacetic acid is a monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine. It has a role as a metabolite, a carcinogenic agent and a mouse metabolite. It is a monocarboxylic acid and an organochlorine compound. It is functionally related to an acetic acid.Acetic acid is an organic solvent that is used for a variety of industrial, analytical and medical purposes. It has the structural formula “CH3COOH” and exists as a colorless liqui...The 3d structure may be viewed using Java or Javascript. Other names: Glycolic acid, phenyl ether; Phenoxyacetic acid; Phenoxyethanoic acid; POA; Acide phenoxyacetique; Glycollic acid phenyl ether; o-Phenylglycolic acid; 2-Phenoxyacetic acid; Acetic acid, 2-phenoxy-; NSC 9810; Phenxoyacetic acid Permanent link for this species. Use this link ...The structure of Acetic acid reveals that it contains sp² hybridization in the molecule. It has been observed that in the solid state, there is a chain of molecules of …

The equation for the proton transfer between acetic acid and water is written with a double arrow because it occurs to only a limited extent. Like HgCl 2, acetic acid is a weak electrolyte.According to Table 1 in Ions in Solution (Electrolytes), 0.001 M HC 2 H 3 O 2 conducts slightly more than one-tenth as much current as the same concentration of …Acetic Acid. Acetic acid, HC 2 H 3 O 2, is the second simplest carboxylic acid. It is the acid found in vinegar, usually at a concentration of 5% acetic acid. Organic chemists usually write the formula of acetic acid as CH 3 COOH to indicate the presence of the carboxyl group. The IUPAC name of acetic acid is ethanoic acid.CAMEO Chemicals. Methoxyacetic acid is a monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by a methoxy group. It has a role as a human xenobiotic metabolite, an apoptosis inducer, a mutagen and an antineoplastic agent. It is a monocarboxylic acid and an ether.Nexletol (Bempedoic Acid) received an overall rating of 10 out of 10 stars from 2 reviews. See what others have said about Nexletol (Bempedoic Acid), including the effectiveness, e...Jan 14, 2021 ... To book a personalized 1-on-1 tutoring session: Janine The Tutor https://janinethetutor.com More proven OneClass Services you might be ...Acetic acid, with the chemical formula CH3COOH, is a familiar substance found in vinegar and plays a crucial role in various industrial processes. Despite its importance, acetic acid is classified as a weak acid. In this article, we will delve into the reasons behind acetic acid’s weak acidic properties, exploring its molecular structure ...

Acetic acid. Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent smell. It is one of the simplest carboxylic acids (the second-simplest, after formic acid) and has the chemical formula CH 3 COOH. In its pure, water -free state, called glacial acetic acid, it is ...Finally, add together the total mass of each element to get the molar mass of CH3COOH: 24.0214 g/mol + 4.03176 g/mol + 31.9988 g/mol = 60.05196 g/mol. 5. Find Mole Fraction. To find the mole fraction and percentage of each element in CH3COOH, divide each total from step 3 by the total molar mass found in step 4:In this video we'll write the correct formula for Acetic acid. There are several different ways to write the chemical formula for Acetic acid. We will focu...Lewis structure of acetic acid. Natural Language; Math Input; Extended Keyboard Examples Upload Random. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…Acetic acid is sold commercially as glacial acetic acid with less than 1% water and over 98% concentration, other impurities resulting from the manufacturing process. The density of pure acetic acid is 1.0491 at 20°C and 0.9599 at 100°C.The acetic acid is highly hygroscopic. The purity of water solutions can be related with their freezing point.

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The intermolecular structure formation in liquid and supercritical acetic acid-water mixtures was investigated using ReaxFF-based molecular dynamics simulations. The microscopic structures of acetic acid-water mixtures with different acetic acid mole fractions (1.0 ≥ x HAc ≥ 0.2) at ambient and critical conditions were examined. The ...2024-05-11. Description. (methylthio)acetic acid is a sulfur -containing carboxylic consisting of thioglycolic acid carrying an S-methyl substituent. It has a role as a xenobiotic metabolite. It is a sulfur-containing carboxylic acid, a monocarboxylic acid and a methyl sulfide. It is functionally related to a thioglycolic acid.A carboxylic acid such as ethanoic acid has the structure: If you took two ethanoic acid molecules and removed a molecule of water between them you would get the acid anhydride, ethanoic anhydride (old name: acetic anhydride). ... (old name: acetic anhydride). You can actually make ethanoic anhydride by dehydrating ethanoic acid, but …Mar 27, 2024 · Monitoring Methods Used by OSHA. OSHA staff: Butyric and propionic acids are interferences in the acetic acid analysis. Therefore, presence of butyric and propionic acids should be noted on 91-A form. * All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding ... ACETIC ACID-P. Chemical Structure, structure. Chemical Name, ACETIC ACID. Molecular Formula, C2H4O2. Molecular Weight, 60.1. CAS RN®, 64-19-7. EINECS No. 200- ...

70 More Lewis Dot Structures. Since all the atoms are in either period 1 or 2, this molecule will adhere to the octet rule. The exception, of course, being the hydrogen's. ... (4% to 8% acetic acid), while commercial food pickling, in general, employs more concentrated solutions. The amount of acetic acid used as vinegar on a worldwide scale is ...Structure, properties, spectra, suppliers and links for: Indole-3-acetic acid, 87-51-4.Trichloroacetic acid is a monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine. It has a role as a metabolite, a carcinogenic agent and a mouse metabolite. It is a monocarboxylic acid and an organochlorine compound. It is functionally related to an acetic acid.Structure, properties, spectra, suppliers and links for: Acetic acid, 64-19-7, AcOH, HOAc.ACETIC ACID. CAS: 64-19-7. Synonyms: Acetic acid, glacial; Ethanoic acid; Ethylic acid; Glacial acetic acid; Methanecarboxylic acid; Vinegar acid. Molecular formula: C 2 H 4 O 2. Structural formula: H 3 C–COOH. TLV–TWA, 10 ppm (25 mg/m3) TLV–STEL, 15 ppm (37 mg/m3) To view TLV and Documentation, you must be logged in as an ACGIH member … Formula: C 2 H 4 O 2. Molecular weight: 60.0520. IUPAC Standard InChI: InChI=1S/C2H4O2/c1-2 (3)4/h1H3, (H,3,4) Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 64-19-7. Chemical structure: This structure is also available as a 2d ... Acetic acid, or ethanoic acid, (CH 3 COOH) is a carboxylic acid. It is the main compound of vinegar, other than water. It tastes and smells sour; it has no color. Its melting point is 16.5 °C (61.6 °F) and its boiling point is 118.1 °C (244.5 °F). It has a pH of 2.4.Structural Formula. CH 3 CO 2 H. acetic acid. Molecular Model. Jmol._Canvas2D (JSmol) "jmolApplet0" [x] appletId:jmolApplet0_object (signed) starting …Aspartic acid is a nonessential amino acid. Amino acids are building blocks of proteins. Aspartic acid is a nonessential amino acid. Amino acids are building blocks of proteins. "N...ACETIC ACID-P. Chemical Structure, structure. Chemical Name, ACETIC ACID. Molecular Formula, C2H4O2. Molecular Weight, 60.1. CAS RN®, 64-19-7. EINECS No. 200- ...(Ethylthio)acetic acid | C4H8O2S | CID 69387 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...Description. (5-hydroxyindol-3-yl)acetic acid is a member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. It has a role as a drug metabolite, a human metabolite and a mouse metabolite. It is a conjugate acid of a (5-hydroxyindol-3-yl)acetate. ChEBI. 5-Hydroxyindole-3-acetic acid is a ...

Formula and structure: The chemical formula of acetic acid is CH 3 COOH. Its molecular formula is C 2 H 4 O 2 and its molar mass is 60.05 g/mol. Acetic acid is a simple carboxylic acid consisting of the methyl group (CH 3) linked to the carboxylic acid group (COOH).It can also be considered as the acetyl group (CH 3 CO) linked to a hydroxyl group (OH). Its …

The Structure, Properties, Preparation and Applications of Acetic Acid. Acetic acid is generally referred to as the second simplest form of a carboxylic acid-containing methyl group with a CH3 chemical formula and is connected to the carboxylic acid group (COOH). In a way, we can say that it is the acetyl group (CH3CO) connected to the hydroxyl ... The chemistry of acid anhydrides is similar to that of acid chlorides, although anhydrides react more slowly. Thus, acid anhydrides react with water to form acids, with alcohols to form esters, with amines to form amides, and with LiAlH 4 to form primary alcohols. Only the ester- and amide-forming reactions are commonly used, however. May 12, 2022 · Acetic acid is one of the most common organic compounds. It has a functional group of COOH in its structure. Knowing about functional groups can be helpful t... The acid–base strength of a molecule depends strongly on its structure. The weaker the A–H or B–H+ bond, the more likely it is to dissociate to form an H + ion. In addition, any factor that stabilizes the lone pair on the conjugate base favors the dissociation of H +, making the conjugate acid a stronger acid.The pH value for acetic acid depends on its molar concentration in an aqueous solution. Acetic acid with a molar concentration of 0.9 or approximately 1.0 M has a pH value of about...Zinc Acetate (Galzin) received an overall rating of 2 out of 10 stars from 1 reviews. See what others have said about Zinc Acetate (Galzin), including the effectiveness, ease of us...Just like adding acid can temper a dish that’s too spicy, you can also soothe your mouth after eating super spicy food by eating something acidic. Out for Thai or Tex-Mex? There’s ...

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By emulating the coordination structure of the horseradish peroxidase enzyme, the single-site iron nanozyme demonstrates the capability to selectively …Structure of Acetic Acid. Acetic acid is a small, simple molecule made up of two main parts: a methyl group and a carboxyl group. The methyl group consists of one carbon atom bonded to three hydrogen atoms, symbolized as CH₃ . This part of the molecule is hydrophobic, which means it does not mix well with water.Acetic acid, systematically named ethanoic acid, is an acidic, colourless liquid and organic compound with the chemical formula CH3COOH. Vinegar is at least 4% acetic acid by volume, making acetic acid the main component of vinegar apart from water. It has been used, as a component of vinegar, throughout history from at least the third century BC.Hydrofluoric acid is a chemical that is a very strong acid. It is usually in liquid form. Hydrofluoric acid is a caustic chemical that is highly corrosive, which means it immediate...Quantity Value Units Method Reference Comment; Δ r H° 185. ± 8.4: kJ/mol: IMRE: Larson and McMahon, 1983: gas phase; These relative affinities are ca. 10 kcal/mol weaker than tThe most straightforward definition is that an acid is a molecular compound that contains one or more hydrogen atoms and produces hydrogen ions (H+) ( H +) when dissolved in water. Figure 7.3.1 7.3. 1: (A) Vinegar comes in a variety of types, but all contain acetic acid. (B) Citrus fruits like grapefruit contain citric and ascorbic acids.Structure of Acetic Acid. Acetic acid is a small, simple molecule made up of two main parts: a methyl group and a carboxyl group. The methyl group consists of one carbon atom bonded to three hydrogen atoms, symbolized as CH₃ . This part of the molecule is hydrophobic, which means it does not mix well with water.2024-05-11. Description. (methylthio)acetic acid is a sulfur -containing carboxylic consisting of thioglycolic acid carrying an S-methyl substituent. It has a role as a xenobiotic metabolite. It is a sulfur-containing carboxylic acid, a monocarboxylic acid and a methyl sulfide. It is functionally related to a thioglycolic acid. Chemical Formula: CH3CO2H. Melting Point: 16-17 C. Boiling Point: 118-119 C. Density: 1.049 g/mL at 25 C. Acidity (pKa): 4.76. The common name for undiluted acetic acid is glacial acetic acid. With a melting/freezing point of around 16 C, acetic acid is not a suitable solvent for reactions that require cooling. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file ... Selected values were based on an approximation of heat capacities from Cp(T) values of acetic acid. 100.04: 300. 129.12: 400. 153.89: 500. 174.14: 600. 191.38: 700. 204.64: 800. 216.06: 900. 226.40: 1000.Feb 13, 2019 · William Reusch, Professor Emeritus ( Michigan State U. ), Virtual Textbook of Organic Chemistry. 3.13: Carboxylic Acids is shared under a license and was authored, remixed, and/or curated by LibreTexts. Carboxylic acids are important natural products and synthetic precursors. The common names are provided for carboxylic acids (1 to 10 carbons ... A step-by-step explanation of how to draw the CH3COOH Lewis Dot Structure (Acetic acid).For the CH3COOH structure use the periodic table to find the total nu... ….

Shareable Link. Use the link below to share a full-text version of this article with your friends and colleagues. Learn more.The first model pair we will consider is ethanol and acetic acid, but the conclusions we reach will be equally valid for all alcohol and carboxylic acid groups. ... Draw the Lewis structure of nitric acid, \(HNO_3\). Nitric acid is a strong acid - it has a \(pK_a\) of -1.4. Make a structural argument to account for its strength.Structure of Acetic Acid. Ethanoic acid is the second simplest carboxylic acid. Here is the structure of acetic acid. (image will be uploaded soon) The structure of ethanoic acid is given by CH₃COOH. In the solid-state of acetic acid, there is a chain of molecules with individual molecules connected through hydrogen bonds.Acetic Acid (CH₃COOH) Acetic acid is a carboxylic acid-containing chemical compound. The acetic acid formula CH₃COOH has a methyl group linked to a carboxyl functional group. Ethanoic acid is its IUPAC name. Acetic acid, the primary component of vinegar, has been recognized since antiquity. The vinegar solution comprises acetic acid and ...Acetic Acid (CH₃COOH) Acetic acid is a carboxylic acid-containing chemical compound. The acetic acid formula CH₃COOH has a methyl group linked to a carboxyl functional group. Ethanoic acid is its IUPAC name. Acetic acid, the primary component of vinegar, has been recognized since antiquity. The vinegar solution comprises acetic acid and ...Formula: C 2 H 4 O 2. Molecular weight: 60.0520. IUPAC Standard InChI: InChI=1S/C2H4O2/c1-2 (3)4/h1H3, (H,3,4) Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 64-19-7. Chemical structure: This structure is also available as a 2d ... Acetic acid. Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent smell. It is one of the simplest carboxylic acids (the second-simplest, after formic acid) and has the chemical formula CH 3 COOH. In its pure, water -free state, called glacial acetic acid, it is ... Apr 25, 2022 ... The IUPAC preferred name for Acetic acid is ... Acetic acid. That's because the name has been around for so long is understood by chemists ...Quantity Value Units Method Reference Comment; Δ r H°: 185. ± 8.4: kJ/mol: IMRE: Larson and McMahon, 1983: gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy.This discrepancy has not yet been resolved, though the stronger value …Sep 24, 2019 · Acetic acid is also known as ethanoic acid. LAGUNA DESIGN / Getty Images. Acetic Acid: HC 2 H 3 O 2 Also known as: ethanoic acid, CH3COOH, AcOH. Acetic acid is found in vinegar. Vinegar contains between 5 and 20 percent acetic acid. This weak acid is most often found in liquid form. Pure acetic acid crystallizes just below room temperature. Structure acetic acid, Uses of Acetic Acid. Food and Beverage Industry: Acetic acid is a key component of vinegar, which is used as a condiment, preservative, and flavoring agent in cooking, pickling, and food preservation. It provides the characteristic sour taste in various food products. Chemical Industry: Acetic acid is an essential chemical in the production of various …, Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Other names: Acetic acid, phenethyl ester; β-Phenethyl acetate; β-Phenylethyl acetate; Benzylcarbinyl acetate; Phenethyl acetate; 2-Phenethyl acetate; 2-Phenylethyl acetate; ..., Acetic Acid. Acetic acid, HC 2 H 3 O 2, is the second simplest carboxylic acid. It is the acid found in vinegar, usually at a concentration of 5% acetic acid. Organic …, Just like adding acid can temper a dish that’s too spicy, you can also soothe your mouth after eating super spicy food by eating something acidic. Out for Thai or Tex-Mex? There’s ..., Acetic acid has an acidic character because the hydrogen center in the carboxyl group (-COOH) separates via ionization to release a proton: CH 3 CO 2 H → …, Glacial acetic acid is acetic acid that contains little to no water. In other words, it is a purified or concentrated form of anhydrous acetic acid. It is called “glacial” because it freezes and forms crystals resembling ice at a temperature slightly below room temperature (16.6 °C or 61.9 °F). In contrast, regular acetic acid contains ..., acetic acid is commonly known as acetic acid (AcOH), which is named because it is the main component of vinegar, as one of the most important fatty acids. In nature, it is generally found in many plants in free or ester form. Formula CH3COOH. Vinegar has been brewed and used for thousands of years., Oct 27, 2020 · The acetic acid formula is a simple one and the result of a methyl group and a carboxyl group. Methyl groups are one of the most common organic compounds on the planet but are rarely found as single entities. They are composed of three hydrogen atoms and one carbon atom (CH 3). As carbon has four electrons, the free electron usually bonds with ... , Acetic acid Structure These compounds, which have the formula CH3COOH, are found in organic compounds. Carbonyl groups are attached to methyl groups on carboxylic acids. IUPAC's systematic name for acetic acid is ethanoic acid, whose chemical formula is C2H4O2. In vinegar, acetic acid is dissolved in water, and …, Structural chemical formula and model of acetic acid molecule, 2d and 3d isolated, eps 8. Download a free preview or high-quality Adobe Illustrator (ai), ..., Question: Draw the Lewis structure of acetic acid (CH3COOH) and then choose the appropriate set hybridization states for the two central carbon atoms. Your answer choice is independent of the orientation of your drawn structure. Show transcribed image text. There are 2 steps to solve this one., Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Isotopologues: pentyl-d2 acetate; pentyl-d3 acetate, Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Isotopologues: Acetic acid-d4; ... , The entropy of acetic acid, J. Chem. …, Just like adding acid can temper a dish that’s too spicy, you can also soothe your mouth after eating super spicy food by eating something acidic. Out for Thai or Tex-Mex? There’s ..., CH 3 COOH (acetic acid) has two carbon atoms, four hydrogen atoms, and two oxygen atoms.. In the CH 3 COOH Lewis structure, there is a single bond between the two carbon atoms. The left carbon is attached with three hydrogen atoms, and the right carbon is attached with two oxygen atoms. One oxygen atom makes a double bond with …, Acetic acid is an organic acid which is the main component of vinegar. It is also called glacial acetic acid, ethanoic acid or methane carboxylic acid. Formula and structure: The chemical formula of acetic acid is CH 3 COOH. Its molecular formula is C 2 H 4 O 2 and its molar mass is 60.05 g/mol. Acetic acid is a simple carboxylic acid ... , Apr 26, 2024 · Structure of Acetic Acid. Acetic acid is a small, simple molecule made up of two main parts: a methyl group and a carboxyl group. The methyl group consists of one carbon atom bonded to three hydrogen atoms, symbolized as CH₃ . This part of the molecule is hydrophobic, which means it does not mix well with water. , Formula: C 2 H 4 O 2. Molecular weight: 60.0520. IUPAC Standard InChI: InChI=1S/C2H4O2/c1-2 (3)4/h1H3, (H,3,4) Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 64-19-7. Chemical structure: This structure is also available as a 2d ..., Acetic acid is sold commercially as glacial acetic acid with less than 1% water and over 98% concentration, other impurities resulting from the manufacturing process. The density of pure acetic acid is 1.0491 at 20°C and 0.9599 at 100°C.The acetic acid is highly hygroscopic. The purity of water solutions can be related with their freezing point., (Trimethylsilyl)acetic acid | C5H12O2Si | CID 75366 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological ..., Glacial acetic acid is acetic acid that contains little to no water. In other words, it is a purified or concentrated form of anhydrous acetic acid. It is called “glacial” because it freezes and forms crystals resembling ice at a temperature slightly below room temperature (16.6 °C or 61.9 °F). In contrast, regular acetic acid contains ..., Question: Draw the Lewis structure of acetic acid (CH3COOH) and then choose the appropriate set hybridization states for the two central carbon atoms. Your answer choice is independent of the orientation of your drawn structure. There are 2 steps to solve this one., For that reason, pure acetic acid (sometimes called concentrated acetic acid) came to be known as glacial acetic acid, a name that survives to this day. The third homolog, ... (If it were hydrogen atom, the compound would be a carboxylic acid.) Figure 4.3 "The Structure of Esters" shows models for two common esters., Formula: C 2 H 4 O 2. Molecular weight: 60.0520. IUPAC Standard InChI: InChI=1S/C2H4O2/c1-2 (3)4/h1H3, (H,3,4) Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 64-19-7. Chemical structure: This …, The structures of acetic acid (AA), trifluoroacetic acid (TFA), and their aqueous mixtures over the entire range of acid mole fraction x A have been investigated by using large-angle X-ray scattering (LAXS) and NMR techniques. The results from the LAXS experiments have shown that acetic acid molecules mainly form a chain structure via hydrogen bonding …, Acetic Acid is a chemical compound and has a chemical formula of C₂H₄O₂. ethanoic acid methanecarboxylic acid CH3-COOH Acetic acid, glacial HOAc Vinegar Essigsäure Glacial acetic acid Ethanoate acide acétique Ethylic acid Ethoic acid Methanecarboxylic acid Aceticum acidum Ethanoic acid Acetic acid Ethanoat E260 CH3COOH., Quantity Value Units Method Reference Comment; T boil: 391.2 ± 0.6: K: AVG: N/A: Average of 80 out of 90 values; Individual data points Quantity Value Units Method Reference Comment; T fus: 289.6 ± 0.5, Acetic acid is one of the carboxylic acids. It is the second simplest carboxylic acid, after formic acid. The main uses of acetic acid are in vinegar and to make cellulose acetate and polyvinyl acetate. Acetic acid is used as a food additive (E260), where it is added for flavor and to regular acidity. It's an important reagent in chemistry, too., Formula: C 2 H 4 O 2. Molecular weight: 60.0520. IUPAC Standard InChI: InChI=1S/C2H4O2/c1-2 (3)4/h1H3, (H,3,4) Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 64-19-7. Chemical structure: This …, Acetic acid. Formula: C 2 H 4 O 2. Molecular weight: 60.0520. IUPAC Standard InChI: InChI=1S/C2H4O2/c1-2 (3)4/h1H3, (H,3,4) IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N. CAS Registry Number: 64-19-7. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file., Ethanoic Acid - The chemical formula of ethanoic acid is CH3COOH. It is commonly called acetic acid. After adding 5-8% of acetic acid in water it becomes vinegar. Understand its properties, structure, chemical reactions like Esterification, Uses with FAQs of Ethanoic acid. Visit BYJU’S for more information. , Quantity Value Units Method Reference Comment; Δ r H°: 185. ± 8.4: kJ/mol: IMRE: Larson and McMahon, 1983: gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy., Acetic acid, systematically named ethanoic acid, is an acidic, colourless liquid and organic compound with the chemical formula CH3COOH. Vinegar is at least 4% acetic acid by volume, making acetic acid the main component of vinegar apart from water. It has been used, as a component of vinegar, throughout history from at least the third century BC.