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Merck

146455

Sigma-Aldrich

Isovaleraldehyd

97%

Synonym(e):

3-Methyl-butyraldehyd, 3-Methylbutanal, NSC 404119

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About This Item

Lineare Formel:
(CH3)2CHCH2CHO
CAS-Nummer:
Molekulargewicht:
86.13
Beilstein:
773692
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352100
PubChem Substanz-ID:
NACRES:
NA.22

Dampfdichte

2.96 (vs air)

Qualitätsniveau

Dampfdruck

30 mmHg ( 20 °C)

Assay

97%

Form

liquid

Selbstzündungstemp.

464 °F

Brechungsindex

n20/D 1.388 (lit.)

bp

90 °C (lit.)

Löslichkeit

alcohol: miscible
diethyl ether: miscible
water: slightly soluble

Dichte

0.803 g/mL at 25 °C (lit.)

Organoleptisch

pungent

Lagertemp.

2-8°C

SMILES String

[H]C(=O)CC(C)C

InChI

1S/C5H10O/c1-5(2)3-4-6/h4-5H,3H2,1-2H3

InChIKey

YGHRJJRRZDOVPD-UHFFFAOYSA-N

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Allgemeine Beschreibung

Isovaleraldehyde is a short-chain aldehyde that can be produced by oxidizing isoamyl alcohol.

Isovaleraldehyde is an attractant and its interaction with zoospores of the fungus Phytophthora palmivora has been studied by binding techniques.

Anwendung

Isovaleraldehyde was used as standard to evaluate the quality of olive oils by headspace solid-phase microextraction-gas chromatography using flame ionization detection and multivariate analysis. It was used as internal standard in determination of wine aroma carbonyl compounds with 5-8 carbon atoms.

Signalwort

Danger

Gefahreneinstufungen

Aquatic Chronic 2 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Sens. 1 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 2

Flammpunkt (°F)

32.9 °F - closed cup

Flammpunkt (°C)

0.5 °C - closed cup

Persönliche Schutzausrüstung

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


Analysenzertifikate (COA)

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Microbial community and metabolite dynamics during soy sauce koji making
Tan G, et al.
Frontiers in Microbiology, 13, 841529-841529 (2022)
J N Cameron et al.
Journal of cell science, 49, 273-281 (1981-06-01)
The interaction of isovaleraldehyde, an attractant, with zoospores of the fungus Phytophthora palmivora was investigated by using binding techniques. The amount of isovaleraldehyde bound diminished with time, an effect that may be related to sensory adaptation. In addition to non-specific
Analysis for wine C5-C8 aldehydes through the determination of their O-(2, 3, 4, 5, 6-pentafluorobenzyl) oximes formed directly in the solid phase extraction cartridge.
Cullere L, et al.
Analytica Chimica Acta, 524(1), 201-206 (2004)
Continuous production and in situ extraction of isovaleraldehyde in a membrane bioreactor
Molinari F, et al.
Immobilized Cells: Basics and Applications, 11, 538-545 (1996)
Benoit Berlioz et al.
Journal of agricultural and food chemistry, 54(26), 10092-10101 (2006-12-21)
Headspace solid-phase microextraction (HS-SPME) -gas chromatography using flame ionization detection and multivariate analysis were applied to the study of the specificity of protected designation of origin (PDO) virgin olive oils produced in a southern French region (Alpes-Maritimes) based on their

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