Isobutyric acid

• Catalog No.: W222208
• CAS Number: 79-31-2
• M. F.: C4H8O2
• M. W.: 88.10512
• Purity: ≥99%

SYNONYMS

• Title: 异丁酸
• IUPAC name: 2-methylpropanoic acid
• IUPAC Traditional name: isobutyric acid
• Synonyms: 2-Methylpropionic acid; 2-甲基丙酸

DATABASE IDS

• MDL Number: MFCD00002658
• EC Number: 201-195-7
• FEMA ID: 2222
• PubChem SID: 24900936
• Beilstein Number: 635770
• Council of Europe Number: 6
• Flavis Number: 8.006
• CAS Number: 79-31-2

PROPERTIES

• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P280
• Regulation Compliance: FCC
• Regulation Compliance: FDA 21 CFR (172.515)
• RID/ADR: UN 2529 3/PG 3
• Risk Statements: 21/22
• RTECS: NQ4375000
• Hazard Class: 3
• UN Number: 2529
• Packing Group: 3
• German water hazard class: 1
• Explode Limits: 10 %
• GHS Signal Word: Warning
• GHS Hazard statements: H302-H312
• European Hazard Symbols: Harmful (Xn)
• Grade: Kosher
• Grade: NI
• Linear Formula: (CH3)2CHCO2H
• Purity: ≥99%
• Allergens: no known allergens
• Auto Ignition Point: 824 °F
• Boiling Point: 153-154 °C(lit.)
• Density: 0.95 g/mL at 25 °C(lit.)
• Flash Point: 55 °C
• Flash Point: 131 °F
• Melting Point: -47 °C(lit.)
• Organoleptic: butter; strawberry
• Refractive Index: n20/D 1.393(lit.)
• Vapor Density: 3.04 (vs air)
• Vapor Pressure: 1.5 mmHg ( 20 °C)

DETAILS

Description (English)

Biochem/physiol Actions
Odor at 10 ppm
Taste at 15 ppm
Other Notes
Natural occurrence: Roman chamomile, strawberry, dairy products.
Packaging
1 kg in glass bottle
5kg, 10kg packaged in closed-head steel drums; sample, 1kg packaged in glass bottles
1 sample in glass bottle
5, 10, 25 kg in comp drum

Description (简体中文)

Biochem/physiol Actions
10ppm 时的气味
15ppm 时的味道
Other Notes
天然存在：罗马洋甘菊、草莓、乳制品。
包装
1 kg in glass bottle
5kg、10kg 密闭钢桶包装；样品，1kg 玻璃瓶包装。
1 sample in glass bottle
5, 10, 25 kg in comp drum