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Merck

W200344

Sigma-Aldrich

Acetaldehyd -Lösung

natural, 50 wt. % ethanol, FG

Synonym(e):

Acetic aldehyde, Ethanal, Ethylaldehyde

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About This Item

Lineare Formel:
CH3CHO
CAS-Nummer:
Molekulargewicht:
44.05
FEMA-Nummer:
2003
MDL-Nummer:
UNSPSC-Code:
12164502
PubChem Substanz-ID:
Flavis-Nummer:
5.001
NACRES:
NA.21

Qualität

FG
Kosher
natural

Einhaltung gesetzlicher Vorschriften

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

Dampfdruck

25.89 psi ( 55 °C)
5.54 psi ( 20 °C)

Assay

≥95% (GC)

Form

liquid

Konzentration

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

Brechungsindex

n20/D 1.39

bp

61-82 °C

Dichte

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

Anwendung(en)

flavors and fragrances

Dokumentation

see Safety & Documentation for available documents

Nahrungsmittelallergen

no known allergens

Organoleptisch

fruity; ethereal; pungent

Lagertemp.

2-8°C

SMILES String

[H]C(C)=O

InChI

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

InChIKey

IKHGUXGNUITLKF-UHFFFAOYSA-N

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Rechtliche Hinweise

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

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Respiratory system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 3

Flammpunkt (°F)

30.2 °F - closed cup

Flammpunkt (°C)

-1 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Marjie L Hard et al.
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Keitaro Matsuo et al.
Carcinogenesis, 34(7), 1510-1515 (2013-03-05)
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M Becker et al.
Journal of chromatography. A, 1281, 115-126 (2013-02-13)
Gas chromatographic analysis of complex carbohydrate mixtures requires highly effective and reliable derivatisation strategies for successful separation, identification, and quantitation of all constituents. Different single-step (per-trimethylsilylation, isopropylidenation) and two-step approaches (ethoximation-trimethylsilylation, ethoximation-trifluoroacetylation, benzoximation-trimethylsilylation, benzoximation-trifluoroacetylation) have been comprehensively studied with regard

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