Isobutyric anhydride

Thermo Fisher Scientific Chemicals, Inc

Revision date : 2025-12-22

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GHS06 GHS05
Health risk rating 2
Safety risk rating 1
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

79-09-4

Name of the chemical

propionic acid

Concentration

<=1

EC/CAS

64-19-7

Name of the chemical

acetic acid

Concentration

<=0.5

General Information

Version

4

Revision date

2025-12-22

Product name

Isobutyric anhydride

Product Synonyms

2-Methylpropionic anhydride

CAS No.

97-72-3

Emergency telephone

001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887

Icons in SDS

GHS05 GHS06 M004 M009 M010 M017

Company Information

company name

Thermo Fisher Scientific Chemicals, Inc

GHS Information

Signal word

Danger

Section 2

SECTION 2: Hazards identification

(29 CFR 1910.1200) Classification

Signal word

Danger Hazard Statements Combustible liquid Causes severe skin burns and eye damage Toxic in contact with skin or if inhaled

Prevention

Wear protective gloves/protective clothing/eye protection/face protection Use only outdoors or in a well-ventilated area Do not breathe dust/fume/gas/mist/vapors/spray Wash face, hands and any exposed skin thoroughly after handling Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed Ground and bond container and receiving equipment Take action to prevent static discharges Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Call a POISON CENTER or doctor Skin Take off contaminated clothing and wash before reuse IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower Immediately call a POISON CENTER or doctor Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Immediately call a POISON CENTER or doctor/physician Ingestion IF SWALLOWED: Rinse mouth. DO NOT induce vomiting Fire Fight fire with normal precautions from a reasonable distance

Storage

Store locked up Store in a closed container Store in a well-ventilated place. Keep cool

Disposal

Dispose of contents/container to an approved waste disposal plant

Other hazards

May be harmful if swallowed.

2.1 Classification of the substance or mixture

This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Flammable liquids Category 4 Acute dermal toxicity Category 3 Acute Inhalation Toxicity - Vapors Category 3 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation

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