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W222216

Sigma-Aldrich

Isobutyric acid

natural, ≥99%, FCC, FG

Synonym(s):
2-Methylpropionic acid
Linear Formula:
(CH3)2CHCO2H
CAS Number:
Molecular Weight:
88.11
FEMA Number:
2222
Beilstein:
635770
EC Number:
Council of Europe no.:
6c
MDL number:
PubChem Substance ID:
Flavis number:
8.006
NACRES:
NA.21

Quality Level

grade

FG
Fragrance grade
Kosher
natural

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FCC
FDA 21 CFR 117
FDA 21 CFR 172.515

vapor density

3.04 (vs air)

vapor pressure

1.5 mmHg ( 20 °C)

assay

≥99%

autoignition temp.

824 °F

expl. lim.

10 %

refractive index

n20/D 1.393 (lit.)

bp

153-154 °C (lit.)

mp

−47 °C (lit.)

density

0.95 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

butter; acidic; rancid

SMILES string

CC(C)C(O)=O

InChI

1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)

InChI key

KQNPFQTWMSNSAP-UHFFFAOYSA-N

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Related Categories

Packaging

100 g in glass bottle
1 kg in glass bottle

Other Notes

Natural occurrence: Roman chamomile, strawberry, dairy products.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

131.0 °F - closed cup

Flash Point(C)

55 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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