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W200300

Sigma-Aldrich

Acetaldehyde solution

natural, 50 wt. % in ethanol

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About This Item

Fórmula linear:
CH3CHO
Número CAS:
Peso molecular:
44.05
Número MDL:
Código UNSPSC:
12352200
ID de substância PubChem:

grau

natural

conformidade reg.

FDA 21 CFR 117

Formulário

liquid

concentração

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

índice de refração

n20/D 1.39 (lit.)

densidade

0.868 g/mL at 20 °C
0.784 g/mL at 25 °C (lit.)

aplicação(ões)

flavors and fragrances

Organoléptico

ethereal

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

[H]C(C)=O

InChI

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

chave InChI

IKHGUXGNUITLKF-UHFFFAOYSA-N

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Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

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

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

30.2 °F - closed cup

Ponto de fulgor (°C)

-1 °C - closed cup


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Acetaldeído

Hsu-Sheng Yu et al.
Chemico-biological interactions, 188(3), 367-375 (2010-09-04)
Epidemiological studies have identified chronic alcohol consumption as a significant risk factor for cancers of the upper aerodigestive tract, including the oral cavity, pharynx, larynx and esophagus, and for cancer of the liver. Ingested ethanol is mainly oxidized by the
Mikko Salaspuro
Journal of digestive diseases, 12(2), 51-59 (2011-03-16)
Aldehyde dehydrogenase (ALDH2) and alcohol dehydrogenase (ADH) gene polymorphisms associating with enhanced acetaldehyde exposure and markedly increased cancer risk in alcohol drinkers provide undisputable evidence for acetaldehyde being a local carcinogen not only in esophageal but also in gastric cancer.
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.
Philip J Brooks et al.
Environmental and molecular mutagenesis, 55(2), 77-91 (2013-11-28)
The designation of acetaldehyde associated with the consumption of alcoholic beverages as "carcinogenic to humans" (Group 1) by the International Agency for Research on Cancer (IARC) has brought renewed attention to the biological effects of acetaldehyde, as the primary oxidative
Rui Guo et al.
International journal of environmental research and public health, 7(4), 1285-1301 (2010-07-10)
Alcohol abuse is a serious medical and social problem. Although light to moderate alcohol consumption is beneficial to cardiovascular health, heavy drinking often results in organ damage and social problems. In addition, genetic susceptibility to the effect of alcohol on

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