W200303

Sigma-Aldrich

Acetaldehyde

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

Quality Level

biological source

synthetic

grade

FG
Halal
Kosher

Agency/Method

meets purity specifications of JECFA

reg. compliance

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

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 %

impurities

≤0.07% paraldehyde (GC)
≤0.25% acetic acid

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

W200303 not available in North America, please see product # W200360.

Disclaimer

The substance W200303 has no REACH registration because the only supported use is the use in medicinal products for human or veterinary use or in food or feedingstuffs according to article 2 of the REACH Regulation (EC) No 1907/2006.

signalword

Danger

hazcat

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 2 - STOT SE 3

Target Organs

Respiratory system

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 3

Flash Point F

-38.0 °F - closed cup

Flash Point C

-38.89 °C - closed cup

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