Isobutyric acid
[CAS# 79-31-2]

Identification

• Classification: Organic raw materials >> Organometallic compound >> Organic scandium, tantalum, thallium, tungsten, antimony, lanthanum, lead, vanadium, molybdenum, chromium, ytterbium, etc.
• Name: Isobutyric acid
• Synonyms: 2-Methylpropionic acid
• Molecular Formula: C₄H₈O₂
• Molecular Weight: 88.11
• CAS Registry Number: 79-31-2
• EC Number: 201-195-7
• FEMA: 2222

Properties

• Density: 0.948
• Melting point: -47 °C
• Boiling point: 153-154 °C
• Refractive index: 1.392-1.394
• Flash point: 59 °C
• Water solubility: 210 g/L (20 °C)

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H312-H302

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	3	H311
Serious eye damage	Eye Dam.	1	H318
Skin corrosion	Skin Corr.	1B	H314
Skin sensitization	Skin Sens.	1B	H317
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1A	H314
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute hazardous to the aquatic environment	Aquatic Acute	3	H402
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	3	H301
Skin corrosion	Skin Corr.	1	H314
Skin corrosion	Skin Corr.	1C	H314
Acute toxicity	Acute Tox.	2	H330

• Transport Information: UN 2529