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800504 Isobutyric anhydride

Isobutyric anhydride for synthesis. CAS 97-72-3, EC Number 202-603-6, chemical formula (CH₃)₂CHCO₂O.

Isobutyric anhydride MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Bis(2-methylpropionic acid) anhydride, 2-Methylpropionic anhydride

CAS #: 97-72-3 EC Number: 202-603-6 Molar Mass: 158.2 g/mol Chemical Formula: [(CH₃)₂CHCO]₂O Hill Formula: C₈H₁₄O₃
800504
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
97-72-3202-603-6C₈H₁₄O₃[(CH₃)₂CHCO]₂O158.2 g/mol
Description
Catalogue Number800504
SynonymsBis(2-methylpropionic acid) anhydride, 2-Methylpropionic anhydride
DescriptionIsobutyric anhydride
References
Product Information
CAS number97-72-3
EC number202-603-6
Hill FormulaC₈H₁₄O₃
Chemical formula[(CH₃)₂CHCO]₂O
Molar Mass158.2 g/mol
HS Code2915 90 90
Structure formula ImageStructure formula Image
Quality LevelMQ200
Applications
ApplicationIsobutyric anhydride for synthesis. CAS 97-72-3, EC Number 202-603-6, chemical formula (CH₃)₂CHCO₂O.
Biological Information
Physicochemical Information
Density0.95 g/cm3 (20 °C)
Explosion limit1 - 6.2 %(V)
Flash point68 °C
Ignition temperature375 °C
Melting Point-56 °C
Vapor pressure0.1 hPa (20 °C)
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 266 mg/kg
LD 50 dermalLD50 Rabbit 475 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H301 + H311: Toxic if swallowed or in contact with skin.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)P270: Do not eat, drink or smoke when using this product.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal WordDanger
Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGKWGK 3 highly hazardous to water
Disposal11
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.
Safety Information
Categories of dangerharmful, corrosive
Product Usage Statements
Storage and Shipping Information
StorageStore below +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 2922 , 8 (6.1), III
Declaration (transport by air) IATA-DGRUN 2922 , 8 (6.1), III
Declaration (transport by sea) IMDG-CodeUN 2922 , 8 (6.1), III, Segregation Group: 1 (Acids)
Supplemental Information
Specifications
Assay (GC, area%)≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C)0.950 - 0.953
Identity (IR)passes test

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