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Merck

146455

Isovaleraldehyde

97%

Sinónimos:

3-Methylbutanal, 3-Methylbutyraldehyde, NSC 404119

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Fórmula lineal:
(CH3)2CHCH2CHO
Número CAS:
590-86-3
Peso molecular:
86.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24848781
EC Number:
209-691-5
Beilstein/REAXYS Number:
773692
MDL number:
MFCD00007014
Assay:
97%
Form:
liquid

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InChI key

YGHRJJRRZDOVPD-UHFFFAOYSA-N

InChI

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

SMILES string

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

vapor density

2.96 (vs air)

vapor pressure

30 mmHg ( 20 °C)

assay

97%

form

liquid

autoignition temp.

464 °F

Quality Level

100

refractive index

n20/D 1.388 (lit.)

bp

90 °C (lit.)

solubility

alcohol: miscible, diethyl ether: miscible, water: slightly soluble

density

0.803 g/mL at 25 °C (lit.)

functional group

aldehyde

organoleptic

pungent

storage temp.

2-8°C

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General description

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.

Application

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.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Clase de almacenamiento

3 - Flammable liquids

wgk

WGK 2

flash_point_f

32.9 °F - closed cup

flash_point_c

0.5 °C - closed cup

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
STBK6573
STBK1622
STBK1222
STBK0792
STBK0198

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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)
B A Smit et al.
Applied microbiology and biotechnology, 64(3), 396-402 (2003-11-19)
Various microorganisms, belonging to the genera Lactococcus, Lactobacillus, Streptococcus, Leuconostoc, Bifidobacterium, Propionibacterium, Brevibacterium, Corynebacterium and Arthrobacter, used in dairy fermentations such as cheese making, were analysed for their potential to convert leucine into flavour components, most notably 3-methylbutanal. A large
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
P Perpète et al.
Journal of agricultural and food chemistry, 48(6), 2384-2386 (2000-07-11)
A medium containing labeled leucine-d(10) has been used to show that Saccharomyces cerevisiae was able to produce deuterated 3-methylbutanal in a cold contact fermentation. Whereas residual unreduced Strecker aldehydes bound to polyphenols were considered until now as the main defect
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