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146455

Sigma-Aldrich

Isovaleraldehyde

97%

Sinonimo/i:

3-Methylbutanal, 3-Methylbutyraldehyde, NSC 404119

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About This Item

Formula condensata:
(CH3)2CHCH2CHO
Numero CAS:
590-86-3
Peso molecolare:
86.13
Beilstein:
773692
Numero CE:
209-691-5
Numero MDL:
MFCD00007014
Codice UNSPSC:
12352100
ID PubChem:
24848781
NACRES:
NA.22

Densità del vapore

2.96 (vs air)

Livello qualitativo

100

Tensione di vapore

30 mmHg ( 20 °C)

Saggio

97%

Forma fisica

liquid

Temp. autoaccensione

464 °F

Indice di rifrazione

n20/D 1.388 (lit.)

P. eboll.

90 °C (lit.)

Solubilità

alcohol: miscible
diethyl ether: miscible
water: slightly soluble

Densità

0.803 g/mL at 25 °C (lit.)

Organolettico

pungent

Temperatura di conservazione

2-8°C

Stringa SMILE

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

InChI

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

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Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Avvertenze

Danger

Indicazioni di pericolo

H225,H317,H319,H335,H411

Classi di pericolo

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

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

32.9 °F - closed cup

Punto d’infiammabilità (°C)

0.5 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
STBK6573
STBK1622
STBK1222
STBK0792
STBK0198

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2-Methylbutyraldehyde analytical standard

Supelco

61904

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Isobutirraldeide redistilled, ≥99.5%

Sigma-Aldrich

418110

Isobutirraldeide

Cyanoacetamide 99%

Sigma-Aldrich

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Cyanoacetamide

Heptaldehyde 95%

Sigma-Aldrich

H2120

Heptaldehyde

Hexanal 98%

Sigma-Aldrich

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2-Ethylbutyraldehyde ≥92%

Sigma-Aldrich

110094

2-Ethylbutyraldehyde

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Sigma-Aldrich

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2-Ethyl-3-methylpyrazine

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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