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W200344

Sigma-Aldrich

Acetaldehyde solution

natural, 50 wt. % ethanol, FG

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Synonym(s):
Acetic aldehyde, Ethanal, Ethylaldehyde
Linear Formula:
CH3CHO
CAS Number:
Molecular Weight:
44.05
FEMA Number:
2003
MDL number:
PubChem Substance ID:
Flavis number:
5.001
NACRES:
NA.21

grade

FG
natural

Quality Level

reg. compliance

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

vapor pressure

25.89 psi ( 55 °C)
5.54 psi ( 20 °C)

Assay

≥95% (GC)

form

liquid

concentration

45.00-55.00% (titration by hydroxylamine)
50 wt. % ethanol

refractive index

n20/D 1.39

bp

61-82 °C

density

0.868 g/mL at 20 °C
0.882 g/mL at 25 °C

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

fruity; ethereal; pungent

storage temp.

2-8°C

SMILES string

[H]C(C)=O

InChI

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

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N

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This Item
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Acetaldehyde solution natural, 50 wt. % ethanol, FG

W200344

Acetaldehyde solution

Acetaldehyde solution 50 wt. % in ethanol

W200328

Acetaldehyde solution

Acetaldehyde solution 40 wt. % in isopropanol

W200387

Acetaldehyde solution

Acetaldehyde solution 40 wt. % in H2O

W200379

Acetaldehyde solution

grade

FG, natural

grade

Kosher

grade

-

grade

-

food allergen

no known allergens

food allergen

no known allergens

food allergen

no known allergens

food allergen

no known allergens

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

assay

≥95% (GC)

assay

-

assay

-

assay

-

refractive index

n20/D 1.39

refractive index

n20/D 1.38

refractive index

-

refractive index

n20/D 1.3771

Legal Information

For R&D Use and/or for Food Manufacturing only

Signal Word

Danger

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

30.2 °F - closed cup

Flash Point(C)

-1 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

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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
Keitaro Matsuo et al.
Carcinogenesis, 34(7), 1510-1515 (2013-03-05)
The impact of alcohol on the risk of stomach cancer is controversial. Although aldehyde dehydrogenase 2 (ALDH2) Glu504Lys (rs671) polymorphism has a strong effect on acetaldehyde metabolism, little is known about its impact on stomach cancer risk when combined with
Neil R McGregor
Alcohol (Fayetteville, N.Y.), 41(7), 469-478 (2007-11-06)
Recent introduction of several commercial Kudzu root (Pueraria lobata) containing hangover remedies has occurred in western countries. The available data is reviewed to assess if there are any potential concerns in relationship to the development of neoplasm if these products
Mercè Correa et al.
Neuroscience and biobehavioral reviews, 36(1), 404-430 (2011-08-10)
Mainly known for its more famous parent compound, ethanol, acetaldehyde was first studied in the 1940s, but then research interest in this compound waned. However, in the last two decades, research on acetaldehyde has seen a revitalized and uninterrupted interest.

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