Acetic Acid Glacial ACS Grade

Product Identifier

Acetic Acid Glacial ACS Grade

Grade

ACS Grade

CAS Number

64-19-7

Molecular Weight

60.05 g/mol

Manufacturer

Alliance Chemical
204 South Edmond Street, Taylor, TX 76574

Emergency Phone

Chemtel 1-800-255-3924 (24/7)

Synonyms

Ethanoic acid; glacial acetic acid; methanecarboxylic acid

Recommended Use

Laboratory and analytical reagent (ACS grade); buffer preparation; chemical synthesis.

Restrictions on Use

No restrictions identified beyond the conditions of safe use in Sections 7 and 8.

Classification

• Flammable liquids, Category 3
• Acute toxicity (dermal), Category 4
• Skin corrosion/irritation, Category 1
• Serious eye damage/eye irritation, Category 1

Signal Word

Danger

Hazard Statements

• H226Flammable liquid and vapor
• H312Harmful in contact with skin
• H314Causes severe skin burns and eye damage

Precautionary Statements

• P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P233Keep container tightly closed.
• P240Ground and bond container and receiving equipment.
• P241Use explosion-proof electrical, ventilating, and lighting equipment.
• P242Use non-sparking tools.
• P243Take precautionary measures against static discharge.
• P260Do not breathe dust, fume, gas, mist, vapors or spray.
• P264Wash hands and face thoroughly after handling.
• P280Wear protective gloves, protective clothing, and eye/face protection.
• P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
• P302+P352IF ON SKIN: Wash with plenty of water and soap.
• P303+P361+P353IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
• P304+P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310Immediately call a POISON CENTER or doctor.
• P312Call a POISON CENTER or doctor if you feel unwell.
• P321Specific treatment (see first-aid information on this label).
• P362Take off contaminated clothing and wash before reuse.
• P363Wash contaminated clothing before reuse.
• P370+P378In case of fire: Use dry chemical, CO2 or water spray to extinguish.
• P403+P235Store in a well-ventilated place. Keep cool.
• P405Store locked up.
• P501Dispose of contents and container in accordance with local, regional, national, and international regulations.

Classification, hazard (H) and precautionary (P) statements and pictograms per OSHA HCS 2024 (29 CFR 1910.1200, Appendices A–C), aligned with GHS Rev. 7.

Concentrations are nominal; lot-specific values appear on the Certificate of Analysis. Components not contributing to classification are omitted.

Eyes

Rinse with plenty of water for at least 15 minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention immediately.

Skin

Immediately flush with plenty of water for at least 15 minutes while removing contaminated clothing. Wash with soap. Get medical attention immediately.

Inhalation

Move person to fresh air and keep comfortable for breathing. If breathing is difficult, give oxygen. If not breathing, give artificial respiration. Get medical attention immediately.

Ingestion

Do Not Induce Vomiting! Never give anything by mouth to an unconscious person. If conscious, wash out mouth with water. Get medical attention immediately.

Most Important Symptoms and Effects

• Causes burns to the skin, eyes and mucous membranes; eye contact may cause permanent damage including blindness; ingestion burns the mouth, throat and stomach.
• Absorption through the skin may cause systemic poisoning.

Immediate Medical Attention and Special Treatment

• Immediate medical attention is required after eye or skin contact or ingestion; tissue damage may continue after exposure ends.

Suitable Extinguishing Media

Dry chemical, CO2, water spray. Use water spray to cool containers.

Unsuitable Extinguishing Media

Do not use a solid water stream as it may scatter and spread fire.

Specific Hazards Arising from the Chemical

Vapors are heavier than air and may form explosive mixtures with air; they can travel to a source of ignition and flash back. Fire may release corrosive and toxic gases. Containers may rupture when heated.

Protective Equipment

Wear self-contained breathing apparatus and full protective clothing.

Hazardous Combustion Products

Carbon monoxide and carbon dioxide.

Personal Precautions

Use PPE as described in Section 8. Ensure adequate ventilation. Evacuate personnel to safe areas.

Hazard-Specific Precautions

Eliminate all ignition sources. Use non-sparking tools and explosion-proof equipment; ground and bond containers during cleanup. Do not touch spilled material without protective equipment. Neutralize residue only with a method suitable for the material, then collect.

Environmental Precautions

Prevent leakage or spillage from entering drains, sewers, or waterways.

Containment & Cleanup

Absorb with inert material. Collect in appropriate waste container. Dispose per applicable regulations.

Safe Handling

Use with adequate ventilation. Avoid contact with skin, eyes, and clothing. Wash thoroughly after handling. Keep container closed when not in use.

Safe Storage

Store in a cool, dry, well-ventilated area. Use corrosion-resistant containers. Keep away from incompatible materials (see Section 10). Keep containers tightly closed.

Specific Storage Precautions

Store in a ventilated area for flammable and corrosive liquids, above 17 °C (63 °F) to prevent freezing, in containers of glass, stainless steel or compatible polyethylene. Keep away from oxidizers and bases.

Occupational Exposure Limits

Engineering Controls

Use adequate ventilation. Provide eyewash stations and quick-drench showers accessible to areas of use.

Eye/Face Protection

Wear chemical safety goggles or face shield.

Skin Protection

Wear chemical-resistant gloves and protective clothing.

Respiratory Protection

Where mist, spray or dust is generated (e.g., spraying, atomization, pressure washing), use a NIOSH-approved half-face air-purifying respirator with combination acid gas / P100 cartridges. Ensure local exhaust ventilation.

Exposure limits sourced from NIOSH Pocket Guide, OSHA 29 CFR 1910.1000 and ACGIH TLVs.

Appearance

Colorless, clear liquid

Odor

Pungent, vinegar-like

Odor Threshold

No data available

pH

2.4 (1 M solution)

Melting Point / Freezing Point

16.6 °C (62 °F) — solidifies in cool storage

Boiling Point

118 °C (244 °F) at 760 mmHg

Flash Point

39 °C (102–103 °F), closed cup

Evaporation Rate

No data available

Flammability (solid, gas)

No data available

Upper/Lower Flammability or Explosive Limits

LEL 4.0% / UEL 19.9% (v/v in air)

Vapor Pressure

15.6 mmHg at 25 °C

Vapor Density

2.1 (air = 1)

Relative Density

1.05 at 20–25 °C (water = 1)

Solubility

Completely miscible with water

Partition Coefficient (n-octanol/water)

No data available

Auto-ignition Temperature

No data available

Decomposition Temperature

No data available

Viscosity

1.06–1.22 mPa·s at 20–25 °C

Particle Characteristics

Not applicable

Form

Liquid

Density

1.051 at 68 °F (USCG, 1999) - Denser than water; will sink

Values shown reflect product-specific canonical data. Lot-specific ranges may vary; see the Certificate of Analysis for the shipped lot.

Reactivity

Not reactive under normal conditions of use and storage.

Chemical Stability

Stable under recommended storage conditions.

Possibility of Hazardous Reactions

None under normal processing conditions.

Conditions to Avoid

Temperatures above 39 °C (flash point), open flames, sparks and static discharge; freezing below 16.6 °C.

Incompatible Materials

Strong oxidizers (chromic, nitric and perchloric acids, peroxides, permanganates); bases and caustics; ammonium nitrate; acetaldehyde; most common metals (corrosion, hydrogen). Attacks many plastics, rubbers and coatings.

Hazardous Decomposition Products

Carbon monoxide and carbon dioxide.

See below for route-specific acute toxicity data.

Likely Routes of Exposure

Inhalation, skin contact, eye contact, ingestion.

Symptoms

• Causes burns to the skin, eyes and mucous membranes; eye contact may cause permanent damage including blindness; ingestion burns the mouth, throat and stomach.
• Absorption through the skin may cause systemic poisoning.

Delayed and Chronic Effects

• No delayed or chronic effects identified beyond the classification in Section 2.

Carcinogen Classification

Ecotoxicity

Data not available. Avoid release to the environment.

Persistence & Degradability

Not Available

Bioaccumulative Potential

Not Available

Mobility in Soil

Not Available

Dispose of contents/container in accordance with applicable federal, state, and local regulations. Do not dispose of into drains or waterways.

EPA RCRA Waste Codes

D001 (ignitable, flash point 39 °C) and D002 (corrosive). Acetic acid is not a P- or U-listed waste.

If discarded, this material may be an ignitable hazardous waste (EPA RCRA D001, 40 CFR 261.21(a)(1): flash point below 60 °C; aqueous solutions with less than 24% alcohol by volume are excluded). If discarded, this material may be a corrosive hazardous waste (EPA RCRA D002, 40 CFR 261.22): aqueous with pH ≤ 2 or ≥ 12.5, or a liquid that corrodes steel at more than 6.35 mm per year. The waste generator must make the final hazardous-waste determination.

US DOT (49 CFR)

UN Number

UN2789

Proper Shipping Name

Acetic acid, glacial or acetic acid solution, with more than 80 percent acid, by mass

Hazard Class

8

Subsidiary Hazard Class

3

Packing Group

II

IMDG / IATA classifications may differ from US DOT. Verify current regulations before international shipment.

CERCLA Reportable Quantity (RQ)

Acetic acid (CAS 64-19-7) 5,000 lb (2,270 kg), about 570 US gal; no single package reaches it.

SARA 311/312 hazard categories correspond to the GHS classification in Section 2. Data retrieved as of: California Proposition 65 2026-10-02; US EPA TSCA Active Inventory 2026-10-02; EPCRA SARA 313 (TRI) 2026-10-02.

Revision Date

2026-10-07

Format

16-section format per OSHA HCS 2024 (29 CFR 1910.1200, Appendix D), aligned with GHS Rev. 7.