Acetic Acid (Glacial)

Acetic Acid, commonly known as glacial acetic acid in its concentrated form, is a colorless liquid with a strong, pungent odor. It is widely used as a reagent in chemical synthesis, as well as in the production of food additives, solvents, and plastics.

CAS No: 64-19-7

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Formula

C₂H₄O₂

Main Uses

Industrial Solvents, Reagents

Appearance

Colorless Liquid with Stinging Odor

Handling

Flammable & Corrosive

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Safety Highlights

Acetic Acid is a hazardous substance with flammable and corrosive properties. It can cause severe skin burns, serious eye damage, and poses significant health risks upon inhalation or ingestion. Appropriate PPE, safe storage, and spill response protocols are essential. The following guidelines are based on the official Safety Data Sheet (SDS):

Flammable Liquid

Flash point 39°C. Vapors may form explosive mixtures with air. Keep away from heat, sparks, and flames.

Toxic on Contact

Causes severe burns to skin, eyes, and mucous membranes. Avoid direct contact and inhalation.

Corrosive Agent

Inhalation can lead to respiratory tract damage, nausea, pulmonary edema, and systemic effects.

Emergency Measures

In fire, use water spray, foam, dry chemical, or CO₂. Do not use direct water jets.

Proper Storage

Store in tightly sealed containers in a cool, well-ventilated flammables cabinet. Avoid contact with metals and oxidizers.

Regulatory ID

UN No: UN2789 | DOT Hazard Class: 8 (Corrosive) / 3 (Flammable) | Packaging Group: II

Environmental Care

Avoid release into drains. Although readily biodegradable, concentrated acetic acid poses aquatic toxicity in large quantities.

PPE Required

Use chemical-resistant gloves (butyl rubber preferred), goggles or face shield, flame-retardant protective clothing, and E-class respirators if ventilation is inadequate.

Frequently Asked Questions

Get concise, expert-reviewed answers to common questions about Glacial Acetic Acid, including its applications, flammability risks, health hazards, and safe storage practices. This section supports safe handling in laboratory, industrial, and manufacturing environments.

What is glacial acetic acid used for?

It is used in the production of synthetic fibers, food preservatives, industrial solvents, and as a reagent in organic chemistry.

Is acetic acid flammable?

Yes. It is classified as a flammable liquid and can form explosive vapor-air mixtures, especially at elevated temperatures.

What should I do in case of skin or eye contact?

Immediately rinse with water for at least 15 minutes. Remove contaminated clothing. Seek medical attention without delay.

Is inhaling acetic acid harmful?

Yes. Inhalation can cause respiratory distress, burns, coughing, and dizziness. Use in well-ventilated areas and wear respiratory protection.

How should acetic acid be stored?

Store it in corrosion-resistant containers, tightly sealed, away from heat sources and incompatible materials such as oxidizers and metals.

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