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W200303

Sigma-Aldrich

Acetaldehyde

FG

Synonym(s):

Ethanal

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About This Item

Linear Formula:
CH3CHO
CAS Number:
Molecular Weight:
44.05
FEMA Number:
2003
Beilstein:
505984
EC Number:
Council of Europe no.:
89
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
5.001

biological source

synthetic

Quality Level

grade

FG
Halal
Kosher

Agency

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.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

ethereal

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.

Application


  • Rats Orally Administered with Ethyl Alcohol for a Prolonged Time Show Histopathology of the Epididymis and Seminal Vesicle Together with Changes in the Luminal Metabolite Composition.: The research reveals the impact of prolonged ethyl alcohol consumption on the reproductive organs of rats, noting significant changes in metabolite composition, including acetaldehyde (Taoto et al., 2024). DOI: 10.3390/biomedicines12051010.

  • ALDH2 Deficiency Aggravates Lung Fibrosis through Mitochondrial Dysfunction and Aging in Fibroblasts.: The study explores how ALDH2 deficiency exacerbates lung fibrosis, with acetaldehyde playing a role in mitochondrial dysfunction and fibroblast aging (Wei et al., 2024). DOI: 10.1016/j.ajpath.2024.04.008.

  • Identification of Acetaldehyde Based on Plasmonic Patterns of a Gold Nanostructure Conjugated with Chromophore and H2O2: A New Platform for the Rapid and Low-Cost Analysis of Carcinogenic Agents by Colorimetric Affordable Test Strip (CATS).: This paper presents a novel method for detecting acetaldehyde using a gold nanostructure, emphasizing its potential for rapid and affordable carcinogen analysis (Farshchi et al., 2024). DOI: 10.1039/d4ra02814g.

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.

Signal Word

Danger

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-38.0 °F - closed cup

Flash Point(C)

-38.89 °C - closed cup


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.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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