In addition to household vinegar, it is mainly produced as a precursor to polyvinyl acetate and cellulose acetate. Synonym: (4-Methoxybenzothioylthio)ethanoic acid, 2-[(4-Methoxyphenylthioxomethyl)thio]ethanoic acid, CTA, RAFT dithiobenzoate Empirical Formula (Hill Notation): C 10 H 10 O 3 S 2 Molecular Weight: 242.31 Acetic acid: It is a mild organic acic with molecular formula CH3COOH and IUPAC name Ethanoic acid when pure it is as clear as pure water and freezes below the room temperaure. The systematic IUPAC name of acetic acid is ethanoic acid and its chemical formula can also be written as C 2 H 4 O 2. 24 + 4 + 32 = 60 g/mol C2H4O2 Acetic acid got its name from a word “Acetum”, which is a Latin word for vinegar. Now add up the mass totals for each element to get the total mass of the acid. This is done in two simplified stages. About Acetic acid. C2H4O2 is very much like the molecular formula for a carbohydrate, i.e., C2(H2O)2. Molecular formula: C 2 H 4 O 2. Synonyms: Ethanoic acid, Vinegar, Hydrogen acetate, Methanecarboxylic acid CAS: 64-19-7 Acetic acid is a colourless liquid organic compound. CASR number: 64-19-7. Acetic acid also called ethanoic acid having the molecular formula CH 3 COOH prepared industrially by various methods and uses commonly as a solvent and in the preparation of organic chemicals like acetate, acetone, acetic anhydride, acetaldehyde alcohol, vinegar, etc. Since it has a carbon atom in its chemical formula, it is an organic compound. This acid is also known as Acetic acid ( C2H4O2 ) To find the formula mass (total mass) of the acid, take each of the elements out separately and add their mass together. Acetic acid has a distinctive sour taste and pungent smell. The other molecular formula mentioned in the quote, HC2H3O2 does try to emphasize that there is one acidic hydrogen and 3 non-acidic hydrogens on the molecule (CH3COOH does that better.) Synonyms: Ethanoic acid, vinegar, ethylic acid, vinegar acid, methanecarboxylic acid, TCLP extraction fluid 2, shotgun, glacial acetic acid, glacial ethanoic acid. Acetic acid is a main component of vinegar and gives vinegar its characteristic smell. Acetic acid is an organic compound with the formula CH 3 COOH. 4 H : 1 x 4 = 4. Acetic Acid Properties and Formula. 2 O : 2 x 16 = 32. Physical properties. Pure water-free acetic acid (glacial acetic acid) is a colorless hygroscopic liquid and freezes below 16.7 °C (62 °F) to a colourless crystalline solid. It is a carboxylic acid consisting of a methyl group that is attached to a carboxyl functional group. The most common method is oxidising primary alcohols. Acetic acid is an acid and the formula CH3COOH emphasizes that fact. Acetic acid (also known as methanecarboxylic acid and ethanoic acid) is a colourless liquid, which has a strong and pungent smell. These acids are a series of organic compounds that contain a carboxyl group (COOH), and there are a variety of methods that are used to produce them. Ethanoic acid is the most common example of a carboxylic acid. Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent smell. 2 C : 12 x 2 = 24. Acetic acid which is also known as Ethanoic acid is a colorless organic acid with chemicals formula C 2 H 4 O 2 is liquid with strong and distinctive pungent and sour smell. Acetic acid is a colourless liquid; with a strong vinegar-like odour. Making Ethanoic Acid. Substance name: Acetic acid.