W200336

Sigma-Aldrich

Acetaldehyde

natural, FG

Synonym(s):
Ethanal
Linear Formula:
CH3CHO
CAS Number:
Molecular Weight:
44.05
FEMA Number:
2003
Beilstein/REAXYS Number:
505984
EC Number:
Council of Europe no.:
89
MDL number:
PubChem Substance ID:
Flavis number:
5.001
NACRES:
NA.21

Quality Level

grade

FG
Halal
Kosher
natural

reg. compliance

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

vapor density

1.52 (vs air)

vapor pressure

14.63 psi ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

365 °F

expl. lim.

60 %

refractive index

n20/D 1.332 (lit.)

pH

5 (20 °C)

bp

21 °C (lit.)

mp

−125 °C (lit.)

density

0.785 g/mL at 25 °C (lit.)

Documentation

see Safety & Documentation for available documents

Featured Industry

Flavors and Fragrances

Organoleptic

ethereal

food allergen

no known allergens

storage temp.

2-8°C

SMILES string

CC=O

InChI

1S/C2H4O/c1-2-3/h2H,1H3

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N

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General description

Acetaldehyde is an important volatile flavoring compound found in Sherry-like wines and also in many fruits. It is mainly used as a flavoring ingredient in milk products, fruit juices and soft drinks.

Packaging

1.9 kg in aluminum bottle
16.5 kg in stainless steel drum
400 g in aluminum bottle

Caution

May form a small amount of trimer

Other Notes

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Legal Information

For R&D Use and/or Food Manufacturing only

Signal Word

Danger

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN1089 - class 3 - PG 1 - Acetaldehyde

WGK Germany

WGK 3

Flash Point(F)

-38.0 °F - closed cup

Flash Point(C)

-38.89 °C - closed cup

Burdock GA
Encyclopedia of Food and Color Additives, 1, 9-9 (1997)
Jelen H
Food Flavors: Chemical, Sensory and Technological Properties, 291-291 (2011)
Yannai S
Dictionary of Food Compounds with CD-ROM: Additives, Flavors, and Ingredients, 7-7 (2012)
Marjie L Hard et al.
Placenta, 24(2-3), 149-154 (2003-02-05)
Significant interindividual variability exists following maternal alcohol consumption; not all children born to alcoholic women manifest the symptoms associated with foetal alcohol spectrum disorder (FASD). To investigate the potential role of the placenta as a source of variability by determining...
Tetsuji Yokoyama et al.
Alcoholism, clinical and experimental research, 29(4), 622-630 (2005-04-19)
Elevated mean corpuscular volume (MCV) is a traditional biological marker for alcohol abuse and alcoholism, but the underlying mechanism is unclear. Three recent epidemiologic studies consistently showed that MCV was elevated by alcohol drinking more markedly among individuals with genetically...
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