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Isobutyric acid for synthesis. CAS 79-31-2, EC Number 201-195-7, chemical formula (CH₃)₂CHCOOH.

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

Synonyms: 2-Methylpropionic acid

CAS #: 79-31-2 EC Number: 201-195-7 Molar Mass: 88.11 g/mol Chemical Formula: (CH₃)₂CHCOOH Hill Formula: C₄H₈O₂

Overview

Key Spec Table

CAS # EC Number Hill Formula Chemical Formula Molar Mass
79-31-2 201-195-7 C₄H₈O₂ (CH₃)₂CHCOOH 88.11 g/mol

Pricing & Availability

Catalogue Number Availability Packaging Qty/Pack Price Quantity
8004720100
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 Glass bottle 100 ml
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8004721000
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 Glass bottle 1 l
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Description
Catalogue Number 800472
Synonyms 2-Methylpropionic acid
Description Isobutyric acid

Product Information
CAS number 79-31-2
EC index number 607-063-00-9
EC number 201-195-7
Hill Formula C₄H₈O₂
Chemical formula (CH₃)₂CHCOOH
Molar Mass 88.11 g/mol
HS Code 2915 60 19
Structure formula Image Structure formula Image
Quality Level MQ200

Applications
Application Isobutyric acid for synthesis. CAS 79-31-2, EC Number 201-195-7, chemical formula (CH₃)₂CHCOOH.

Physicochemical Information
Density 0.950 g/cm3 (20 °C)
Explosion limit 1.6 – 7.3 %(V)
Flash point 55 °C
Ignition temperature 455 °C
Melting Point -47 °C
pH value 2.3 (500 g/l, H₂O, 25 °C)
Vapor pressure 2 hPa (20 °C)
Solubility 618 g/l

Toxicological Information
LD 50 oral LD50 Rat 266 mg/kg
LD 50 dermal LD50 Rabbit 475 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H226: Flammable liquid and vapour.
H302: Harmful if swallowed.
H311: Toxic in contact with skin.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233: Keep container tightly closed.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
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 Word Danger
RTECS NQ4375000
Storage class 3 Flammable liquids
WGK WGK 1 slightly hazardous to water
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Categories of danger harmful

Storage and Shipping Information
Storage Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID UN 2529 , 3 (8), III
Declaration (transport by air) IATA-DGR UN 2529 , 3 (8), III
Declaration (transport by sea) IMDG-Code UN 2529 , 3 (8), III

Specifications
Assay (GC, area%) ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C) 0.947 – 0.949
Water (K. F.) ≤ 0.20 %
Identity (IR) passes test

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