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Isobutyric acid

BGC Id:150007844569
CAS No:79-31-2
Synonyms:iso-c3h7cooh ; isobutyric acid ; cenex rp b2 ; i-butyricacid ; isobuttersαure ; iso-butyric aid ; fema 2222 ; tenox ebp 2 ; isobutanoicacid ; isobuttersaeure
Molecular Formula:C4H8O2
Molecular Weight:88.11
EINECS:201-195-7
Structural Formula

The most competitive supplier in 2026

The following 18 notable providers have been checked and can be recommended.
Chemical-Suppliers
Molekula
Molecular Weight : 88.11 Formula : (CH3)2CHCO2H HS Code : 2915601990 Categories : Uncategorised
Chemical-Suppliers
Leap Chem
Molecular Formula: C4H8O2 Molecular Weight: 88.11 Hazard Symbols: Xn UN Number: UN 2529 3/PG 3 WGKGermany: 1 PackingGroup: III HS Code: 29156000
Chemical-Suppliers
BuGuCh & Partners
Product name:Isobutyric acid Synonyms:RARECHEM AL BO 0091;METHYLPROPIONIC ACID;ISOPROPYL FORMIC ACID;ISOBUTYRIC ACID;FEMA 2222;2-Methyl propiori cacid;2-METHYLPROPIONIC ACID;2-METHYL PROPANOIC ACID CAS:79-31-2 Formula:C4H8O2 Molecular weight:88.11 EINECS:201-195-7 Melting point:-47 °C Boling point:153-154 °C(lit.) Density:0.95 g/mL at 25 °C(lit.) Vapor Density:3.04 (vs air) Vapor Pressure:1.5 mm Hg ( 20 °C) Index of refraction:n20/D 1.393(lit.) FEMA:2222 Flash point:

The last intensive check and update was carried out on 2026/08/19.

Identify

Synonyms:
iso-c3h7cooh ; isobutyric acid ; cenex rp b2 ; i-butyricacid ; isobuttersαure ; iso-butyric aid ; fema 2222 ; tenox ebp 2 ; isobutanoicacid ; isobuttersaeure
CAS:
79-31-2
EINECS:
201-195-7
Molecular Formula:
C4H8O2
MDL:
MFCD00002658
SMILES:
CCOC1C=CC2=CC=CC=C2N1C(=O)OCC

Properties

Molecular Weight:
88.11 g·mol−1
Density:
0.95 g/mL at 25 °C(lit.)
Melting point:
-47 °C
Boiling point:
153-154 °C(lit.)
Flash point:
132 ºF
Solubility:
Soluble in water
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Safety Information

Hazard Classes:
3
Risk Codes:
21/22 (R)
Safety Codes:
23-36/37/39 (S)
WGK Germany:
1
RID / ADR:
UN 2529 3 / PG 3
RTECS:
NQ4375000

What other providers are available for CAS 79-31-2?

In addition to the providers presented here for Isobutyric acid with the CAS number 79-31-2, there are other 17 providers with slightly different product names available for this CAS number.

+4 additional providers that we know from the past
BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +2 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
+2 additional providers that we know from the past
Leap Chem Co., Ltd +1 additional providers that we know from the past




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