W275409

Sigma-Aldrich

2-Methylpentanoic acid

≥98%, FCC, FG

Synonym(s):
(±)-2-Methylvaleric acid, 2-Methylvaleric acid, 2-Methylpentanoic acid
Linear Formula:
CH3CH2CH2CH(CH3)CO2H
CAS Number:
Molecular Weight:
116.16
FEMA Number:
2754
Beilstein/REAXYS Number:
1720658
EC Number:
Council of Europe no.:
31
MDL number:
eCl@ss:
39021337
PubChem Substance ID:
Flavis number:
8.031
NACRES:
NA.21

Quality Level

biological source

synthetic

grade

FG
Halal
Kosher

Agency/Method

meets purity specifications of JECFA

reg. compliance

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

assay

≥98%

refractive index

n20/D 1.411
n20/D 1.414 (lit.)

bp

196-197 °C (lit.)
196-197 °C

density

0.916-0.923 g/mL at 25 °C
0.931 g/mL at 25 °C (lit.)

Documentation

see Safety & Documentation for available documents

Featured Industry

Flavors and Fragrances

Organoleptic

cheese; sour

food allergen

no known allergens

SMILES string

CCCC(C)C(O)=O

InChI

1S/C6H12O2/c1-3-4-5(2)6(7)8/h5H,3-4H2,1-2H3,(H,7,8)

InChI key

OVBFMEVBMNZIBR-UHFFFAOYSA-N

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General description

2-Methylpentanoic acid is a volatile fatty acid found in tobacco and milk.

Application

2-Methylpentanoic acid may be used as an internal standard during the quantification of off-flavors in microwave blanched peanuts by gas chromatography/mass spectrometry.

Packaging

100 g in glass bottle
1 kg in glass bottle
5 kg in poly drum

Other Notes

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Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 3265 8 / PGII

WGK Germany

WGK 2

Flash Point(F)

199.4 °F - closed cup

Flash Point(C)

93 °C - closed cup

Aroma properties and thresholds of some branched?chain and other minor volatile fatty acids occurring in milkfat and meat lipids.
Brennand CP, et al.
Journal of Sensory Studies, 4(2), 105-120 (1989)
Characterization of Aroma?Active Compounds in Microwave Blanched Peanuts.
Schirack AV, et al.
Journal of Food Science, 71(9) (2006)
Xiaoqing Cai et al.
Bioorganic & medicinal chemistry, 19(12), 3831-3844 (2011-05-27)
Previous studies have indicated that the methylvalerate subunit of bleomycin (BLM) plays an important role in facilitating DNA cleavage by BLM and deglycoBLM. Eleven methylvalerate analogues have been synthesized and incorporated into deglycoBLM congeners by the use of solid-phase synthesis....
Z Suarez de Mata et al.
Archives of biochemistry and biophysics, 285(1), 158-165 (1991-02-15)
The condensation of two propionyl-CoA units or a propionyl-CoA with acetyl-CoA is required for the synthesis of 2-methylvalerate or 2-methylbutyrate, respectively, two of the major fermentation products of Ascaris anaerobic muscle metabolism. An enzyme that preferentially catalyzes the condensation of...
Effects of flue-curing and ageing on the volatile, neutral and acidic constituents of Virginia tobacco.
Wahlberg I, et al.
Phytochemistry, 16(8), 1217-1231 (1977)

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