Acetic Acid

An acidic, colourless liquid and organic compound with the chemical formula CH 3COOH. Industrially, acetic acid is used in the preparation of metal acetates, used in some printing processes; vinyl acetate, employed in the production of plastics; cellulose acetate, used in making photographic films and textiles; and volatile organic esters (such as ethyl and butyl acetates), widely used as solvents.

About Acetic Acid

Acetic acid, also known as ethanoic acid, is a clear, colorless liquid with the chemical formula CH3COOH. It is a weak organic acid with a sour taste and a pungent odor, resembling vinegar. Acetic acid is one of the simplest carboxylic acids and has a wide range of industrial, commercial, and household applications.

Technical Data

Grade

Extra pure

Purity

30%

CAS No.

64-19-7

Molecular Formula

CH₃COOH

Molecular Weight

60.052 g/mol

H.S. Code

2915.2100

Shelf Life

60 Months

 

Grade

Extra pure

Purity

30%

CAS No.

64-19-7

Molecular Formula

CH₃COOH

Molecular Weight

60.052 g/mol

H.S. Code

2915.2100

Shelf Life

60 Months

Physical Properties

Physical state at 20 °C

Liquid

Colour

Colorless

Odour

Stinging

Relative density, liquid (water=1)

1.039 g/cm3

Explosion limits – upper [%]

19.9% (V)

Explosion limits -lower [%]

4.0% (V)

 

Specifications

Appearance

Clear colorless liquid

Assay (alkalimetric)

29.0-31.0%

Residue on evaporation

Max 0.01%

Hazardous Statement:                                       H226-H314

Precaution Statement:                                       P210-P280-P303+

                                                                                P361+P353- P305+

                                                                                P351+P338-P310

Physical state at 20 °C Liquid
Colour Colorless
Odour Stinging
Relative density, liquid (water=1) 1.039 g/cm3
Explosion limits – upper [%] 19.9% (V)
Explosion limits -lower [%] 4.0% (V)
  Specifications
Appearance Clear colorless liquid
Assay (alkalimetric) 29.0-31.0%
Residue on evaporation Max 0.01%
Hazardous Statement:                                       H226-H314
Precaution Statement:                                       P210-P280-P303+ P361+P353- P305+ P351+P338-P310

Use of Acetic Acid

Food Industry

Acetic acid is widely used in the food industry as a preservative, flavoring agent, and pH regulator. It is the main component of vinegar, which is used for pickling, salad dressings, and various culinary purposes.

Chemical Synthesis

Acetic acid serves as a precursor in the synthesis of numerous organic compounds, including acetate esters, acetic anhydride, and vinyl acetate monomer. These compounds are utilized in the production of adhesives, solvents, plastics, and pharmaceuticals.

Plastics and Polymers

Acetic acid is a key ingredient in the production of polyethylene terephthalate (PET) plastics, which are used in beverage bottles, food packaging, and synthetic fibers. It is also used in the manufacture of cellulose acetate, a versatile polymer used in films, textiles, and photographic film.

Safety Conside-rations

Corrosive Properties

Concentrated acetic acid is corrosive to skin, eyes, and mucous membranes. Direct contact should be avoided, and appropriate personal protective equipment (PPE) should be worn when handling acetic acid.

Inhalation Hazard

Inhalation of acetic acid vapors can cause respiratory irritation and may exacerbate asthma or other respiratory conditions. Adequate ventilation should be provided in areas where acetic acid is used or stored.

Fire and Explosion Hazard

Acetic acid is flammable and can form explosive mixtures with air. It should be stored away from heat sources, open flames, and oxidizing agents.

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