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What Is the CAS Number and Chemical Formula of Acetic Acid?

May 13, 2026 Leave a message

Sarah Chen
Sarah Chen
Sarah is a quality assurance expert ensuring compliance with international standards. Her expertise helps Tianjin Gnee Biotech maintain high-quality products, enhancing customer trust and market reputation.

 

Acetic acid (AA) is a simple organic acid and the main component of vinegar. Its CAS number is 64-19-7, and its chemical formula is CH3COOH or C2H4O2. It is one of the most widely used organic acids in the chemical industry. Acetic acid is commonly found in vinegar, industrial solvents, pharmaceuticals, textile processing, food additives, and chemical manufacturing

 

What Is the CAS Number of Acetic Acid?

The official CAS number of acetic acid is: 64−19−7

The CAS 64-19-7 number helps identify acetic acid chemicals accurately, avoid confusion between similar products.


When purchasing or exporting acetic acid chemical liquid, the CAS number 64-19-7 is commonly used in:

  • SDS/MSDS documents
  • Customs declarations
  • Technical data sheets
  • Shipping labels
  • Chemical databases

 

What Is the Chemical Formula of Acetic Acid?

The chemical formula of acetic acid is: CH3COOH. It can also be written as: C2H4O2
This formula represents:

  • 2 Carbon atoms
  • 4 Hydrogen atoms
  • 2 Oxygen atoms

It belongs to the carboxylic acid chemical because it contains the carboxyl group: COOH.

 

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What are the Properties of Acetic Acid CAS 64-19-7?

CAS Number 64-19-7
Density 1.049 g/cm³
Flash Point Approximately 39°C
Solubility Completely soluble in water
Vapor Pressure Moderate
Flammability Flammable liquid

 

Learn more about acetic acid chemical properties and specifications to match your industry. Click here!

 

Common Uses of Acetic Acid AcOH chemical

Chemical synthesis: Industrial acetic acid is an essential raw material in the synthesis of chemicals such as acetate esters and vinyl acetate monomers. These chemicals are further used in adhesives, paints, and textiles.

 

Pharmaceutical synthesis: 99.8% Glacial acetic acid is used as a catalyst or a solvent in active pharmaceutical ingredient (API) synthesis. For example, it is used as a solvent in the synthesis of aspirin, hormones, vitamins, etc.

 

Microbial growth prevention: Diluted glacial acetic acid liquid can inhibit microbial growth. Therefore, it is used to maintain the freshness of fruits and vegetables in the food industry. It is added to pickles, juices, and flavored drinks.

 

Surface cleaning: Acetic acid solvent can also be used as a disinfectant to clean surfaces. Because it is safe for consumption, it is used to clean food-preparation surfaces in the industry.

 

Analysis chemistry: It is also used in analytical chemistry. For example, it is commonly used as an industrial solvent in titration experiments.

 

Industrial and Food Grade Acetic Acid Supplier

 

Conclusion

Ethanoic acid/Acetic acid is an important industrial chemical, CAS number: 64-19-7, chemical formula: CH₃COOH

It possesses a variety of chemical properties, making it indispensable in industries such as chemical, food, textile, pharmaceutical, and manufacturing.

Understanding the CAS number, molecular formula, and physical properties of acetic acid chemical raw material helps purchasers, distributors, and manufacturers ensure proper selection, handling, transportation, and application.

 

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As a leading manufacturer and exporter of chemical solvent, TIANJIN GNEE BIOTECH CO., LTD. provides high-quality industrial chemicals. We supply to customers across the chemical, pharmaceutical, and materials industries, ensuring consistent quality, reliable logistics, and professional technical support.

Our chemical products hold international certifications (REACH, ISO, FMQS, HALAL) for global quality recognitio. We have warehouses in coreports such as Qingdao, Tianiin, and Shanghai, with a 15-day express delivery service.

 

Other Hot-Selling Products

Dimethyl Sulfoxide (DMSO) CAS 67-68-5
Dichloromethane / Methylene Chloride CAS 75-09-2
Glacial Acetic Acid / Ethanoic Acid CAS 64-19-7
Ethyl Acetate / Ethyl Ethanoate CAS 141-78-6
Ethylene Glycol / Monoethylene Glycol (MEG) CAS 107-21-1
Trichloroethylene CAS 79-01-6
Cyclohexanone CAS 108-94-1

 

Gneebio Product Packaging

 

Packaging Type Net Weight
Steel Drum 250 kg
IBC Tank 1250 kg
ISO Tank Bulk shipment

 

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