Acetylacetone

Sigma-Aldrich Inc

Revision date : 2026-08-29

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GHS02 GHS06
Health risk rating 4
Safety risk rating 2
Environmental risk rating 1

General Information

Version

13.10

Revision date

2026-08-29

Product name

Acetylacetone

CAS No.

123-54-6

1.2.1 Relevant identified uses

Laboratory chemicals, Synthesis of substances

Emergency telephone

+1 703 527 3887, 1 800 424 9300

Icons in SDS

GHS02 GHS06 M004 M009 M010 M011 M017 M022

Company Information

company name

Sigma-Aldrich Inc

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H226, H302, H331, H402

Hazard statements

Code

Statements

H226

Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Other hazards

None known

Signal word

Danger

Hazard statements

H226 Flammable liquid and vapour. H302 Harmful if swallowed. H331 Toxic if inhaled. H402 Harmful to aquatic life.

Prevention

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ ventilating/ lighting P242 Use non-sparking tools. P243 Take action to prevent static discharges. P261 Avoid breathing mist or vapours. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.

Response

P301 + P312 + P330 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. P304 + P340 + P311 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.

Storage

P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.

Disposal

P501 Dispose of contents/ container to an approved waste disposal plant.

2.1 Classification of the substance or mixture

(29 CFR 1910.1200) Hazards for the product as supplied Flammable liquids : Category 3 Acute toxicity (Oral) : Category 4 Acute toxicity : Category 3 (Inhalation) Short-term (acute) : Category 3 aquatic hazard Other hazards

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