W269107

Sigma-Aldrich

2-Methylbutyraldehyde

≥95%, FG

Synonym(s):
2-Methylbutanal
Linear Formula:
C2H5CH(CH3)CHO
CAS Number:
Molecular Weight:
86.13
FEMA Number:
2691
Beilstein/REAXYS Number:
1633540
EC Number:
Council of Europe no.:
575
MDL number:
PubChem Substance ID:
Flavis number:
5.049
NACRES:
NA.21

Quality Level

biological source

synthetic

grade

FG
Halal
Kosher

reg. compliance

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

assay

≥95%

impurities

<5% isopentanal

refractive index

n20/D 1.3919 (lit.)

bp

90-92 °C (lit.)

density

0.806 g/mL at 20 °C
0.804 g/mL at 25 °C (lit.)

Documentation

see Safety & Documentation for available documents

Featured Industry

Flavors and Fragrances

Organoleptic

chocolate; coffee

food allergen

no known allergens

SMILES string

[H]C(=O)C(C)CC

InChI

1S/C5H10O/c1-3-5(2)4-6/h4-5H,3H2,1-2H3

InChI key

BYGQBDHUGHBGMD-UHFFFAOYSA-N

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Related Categories

General description

2-Methylbutyraldehyde has been identified as one of the important flavor compounds in barley crystal malts, baked potatoes, whole milk powder (WMP).

Packaging

100 g in glass bottle
8 kg in aluminum bottle
1 kg in glass bottle

Other Notes

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Signal Word

Danger

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 3371 3 / PGII

WGK Germany

WGK 1

Flash Point(F)

39.2 °F - closed cup

Flash Point(C)

4 °C - closed cup

Effect of nitrogen flushing and storage temperature on flavor and shelf-life of whole milk powder.
Lloyd MA, et al.
Journal of Dairy Science, 92(6), 2409-2422 (2009)
Effect of cultivar and storage time on the volatile flavor components of baked potato.
Duckham SC, et al.
Journal of Agricultural and Food Chemistry, 50(20), 5640-5648 (2002)
Relationships between antioxidant activity, color, and flavor compounds of crystal malt extracts.
Woffenden HM, et al.
Journal of Agricultural and Food Chemistry, 49(11), 5524-5530 (2001)
Yunzi Feng et al.
Food chemistry, 187, 44-52 (2015-05-16)
Aroma extract dilution analysis (AEDA) is widely used for the screening of aroma-active compounds in gas chromatography-olfactometry (GC-O). In this study, three aroma dilution methods, (I) using different test sample volumes, (II) diluting samples, and (III) adjusting the GC injector...
Paweł Mochalski et al.
Cell biochemistry and biophysics, 71(1), 323-329 (2014-08-16)
Gas chromatography with mass spectrometric detection combined with head-space needle trap extraction as the pre-concentration technique was applied to identify and quantify volatile organic compounds released or metabolised by human umbilical vein endothelial cells. Amongst the consumed species there were...

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