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W222100

Sigma-Aldrich

Butyric acid

≥99%, FG

Synonym(s):
Butanoic acid
Linear Formula:
CH3CH2CH2COOH
CAS Number:
Molecular Weight:
88.11
FEMA Number:
2221
Beilstein:
906770
EC Number:
Council of Europe no.:
5
MDL number:
PubChem Substance ID:
Flavis number:
8.005
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 117
FDA 21 CFR 182.60

vapor density

3.04 (vs air)

vapor pressure

0.43 mmHg ( 20 °C)

Assay

≥99%

form

liquid

autoignition temp.

824 °F

expl. lim.

10 %

refractive index

n20/D 1.398 (lit.)

pH

2 (25 °C, 10 g/L)
3 (20 °C, 10 g/L)

bp

162 °C (lit.)

mp

−6-−3 °C (lit.)

density

0.964 g/mL at 25 °C (lit.)

cation traces

As: ≤3 ppm
Cd: ≤1 ppm
Hg: ≤1 ppm
Pb: ≤10 ppm

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

cheese; buttery; fruity

SMILES string

CCCC(O)=O

InChI

1S/C4H8O2/c1-2-3-4(5)6/h2-3H2,1H3,(H,5,6)

Inchi Key

FERIUCNNQQJTOY-UHFFFAOYSA-N

Gene Information

human ... HDAC1(3065)

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Butyric acid ≥99%, FG

Sigma-Aldrich

W222100

Butyric acid

Butyric acid natural, ≥99%, FCC, FG

Sigma-Aldrich

W222119

Butyric acid

1,4-Butanedithiol ≥97%, FG

Sigma-Aldrich

W520802

1,4-Butanedithiol

Pyruvic acid ≥97%, FG

Sigma-Aldrich

W297003

Pyruvic acid

biological source

synthetic

biological source

-

biological source

synthetic

biological source

synthetic

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Fragrance grade, Halal, Kosher, natural

grade

FG, Halal

grade

FG, Fragrance grade, Kosher

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

-

agency

follows IFRA guidelines, meets purity specifications of JECFA

vapor density

3.04 (vs air)

vapor density

3.04 (vs air)

vapor density

-

vapor density

-

assay

≥99%

assay

≥99%

assay

≥97%

assay

≥97%

refractive index

n20/D 1.398 (lit.)

refractive index

n20/D 1.398 (lit.)

refractive index

n20/D 1.529 (lit.)

refractive index

n20/D 1.428 (lit.)

General description

Butyric acid is a volatile fatty acid that can be used as a flavoring agent. It has fruity or cheesy flavor and is mainly found in dairy products.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

161.6 °F - closed cup

Flash Point(C)

72 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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