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W200379

Sigma-Aldrich

Acetaldehyde solution

40 wt. % in H2O

Linear Formula:
CH3CHO
CAS Number:
Molecular Weight:
44.05
FEMA Number:
2003
MDL number:
eCl@ss:
39021102
PubChem Substance ID:
Flavis number:
5.001
NACRES:
NA.21

biological source

synthetic

Quality Level

reg. compliance

FDA 21 CFR 177.2410
FDA 21 CFR 182.60

form

liquid

concentration

35.00-45.00% (titration by hydroxylamine)
40 wt. % in H2O

refractive index

n20/D 1.3771

density

0.868 g/mL at 20 °C

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

ethereal

SMILES string

[H]C(C)=O

InChI

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

InChI key

IKHGUXGNUITLKF-UHFFFAOYSA-N

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1 of 4

This Item
W200344719099W200336
Acetaldehyde solution 5 M in THF

Sigma-Aldrich

719099

Acetaldehyde solution

Acetaldehyde natural, FG

Sigma-Aldrich

W200336

Acetaldehyde

refractive index

n20/D 1.3771

refractive index

n20/D 1.39

refractive index

n20/D 1.389

refractive index

n20/D 1.332 (lit.)

density

0.868 g/mL at 20 °C

density

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

density

0.868 g/mL at 20 °C, 0.843 g/mL at 25 °C

density

0.785 g/mL at 25 °C (lit.)

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

documentation

-

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

food allergen

no known allergens

food allergen

-

food allergen

no known allergens

organoleptic

ethereal

organoleptic

fruity; ethereal; pungent

organoleptic

-

organoleptic

ethereal

comparable product

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)

-0.0 °F - closed cup

Flash Point(C)

< -17.78 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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25G
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Alcohol abuse is one of the major causes of liver fibrosis worldwide. Although the pathogenesis of liver fibrosis is a very complex phenomenon involving different molecular and biological mechanisms, several lines of evidence established that the first ethanol metabolite, acetaldehyde
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Chronic alcohol abuse causes liver disease that progresses from simple steatosis through stages of steatohepatitis, fibrosis, cirrhosis, and eventually hepatic failure. In addition, chronic alcoholic liver disease (ALD), with or without cirrhosis, increases risk for hepatocellular carcinoma (HCC). Acetaldehyde, a
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