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W222119

Sigma-Aldrich

Butyric acid

natural, ≥99%, FCC, FG

Synonym(s):

1-propane carboxylic acid, Butanoic acid, Ethyl acetic acid, Propyl formic acid

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About This Item

Linear Formula:
CH3CH2CH2COOH
CAS Number:
Molecular Weight:
88.11
FEMA Number:
2221
Beilstein/REAXYS Number:
906770
EC Number:
Council of Europe no.:
5c
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
8.005
NACRES:
NA.21

grade

FG
Fragrance grade
Halal
Kosher
natural

Quality Level

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

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; fruity; buttery

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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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

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

161.6 °F - closed cup

flash_point_c

72 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


Certificates of Analysis (COA)

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Effect of fat content on odor intensity of three aroma compounds in model emulsions: ?-decalactone, diacetyl, and butyric acid.
Guyot C, et al.
Journal of Agricultural and Food Chemistry, 44(8), 2341-2348 (1996)
Effects of volatile fatty acid concentrations on methane yield and methanogenic bacteria
Wang Y, et al
Biomass and Bioenergy, 33(5), 848-853 (2009)
Burdock GA
Encyclopedia of Food and Color Additives, 1, 359-360 (1997)
Gili Berkovitch et al.
Journal of medicinal chemistry, 51(23), 7356-7369 (2008-11-15)
Multifunctional acyloxyalkyl ester prodrugs of 5-aminolevulinic acid in cancer cell lines inhibited the proteasome and induced apoptosis and heme synthesis. The most potent prodrug was butyryloxymethyl 5-amino-4-oxopentanoate (1a). The metabolically released formaldehyde from the prodrugs was the dominant factor affecting
Shomik Sengupta et al.
Journal of gastroenterology and hepatology, 21(1 Pt 2), 209-218 (2006-02-08)
Butyrate, the four-carbon fatty acid, is formed in the human colon by bacterial fermentation of carbohydrates (including dietary fiber), and putatively suppresses colorectal cancer (CRC). Butyrate has diverse and apparently paradoxical effects on cellular proliferation, apoptosis and differentiation that may

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