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Merck
CN

W222003

Isobutyraldehyde

≥98%, FG

Synonym(s):

2-Methylpropanal, Isobutanal, 2-Methylpropionaldehyde

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About This Item

Linear Formula:
(CH3)2CHCHO
CAS Number:
Molecular Weight:
72.11
FEMA Number:
2220
Council of Europe no.:
92
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
5.004
EC Number:
201-149-6
NACRES:
NA.21
MDL number:
Beilstein/REAXYS Number:
605330
Organoleptic:
fresh; green; floral
Grade:
FG, Fragrance grade, Halal, Kosher
Biological source:
synthetic
Agency:
follows IFRA guidelines, meets purity specifications of JECFA
Food allergen:
no known allergens
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biological source

synthetic

Quality Level

grade

FG, Fragrance grade, Halal, Kosher

agency

follows IFRA guidelines, meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009, EU Regulation 1334/2008 & 178/2002, FDA 21 CFR 117, FDA 21 CFR 172.515

vapor density

2.5 (vs air)

vapor pressure

66 mmHg ( 4.4 °C)

assay

≥98%

autoignition temp.

384 °F

expl. lim.

10 %, 25 °F, 2 %, 32 °F

refractive index

n20/D 1.374 (lit.)

bp

63 °C (lit.)

mp

−65 °C (lit.)

solubility

60 g/L at 25 °C

density

0.79 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

organoleptic

fresh; green; floral

storage temp.

2-8°C

SMILES string

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

InChI

1S/C4H8O/c1-4(2)3-5/h3-4H,1-2H3

InChI key

AMIMRNSIRUDHCM-UHFFFAOYSA-N

General description

Isobutyraldehyde is an aliphatic aldehyde that can be used as a flavoring agent. It has been identified as one of the volatile flavor components in wheat essence. Some humans are anosmic towards the odor of isobutanal.


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pictograms

FlameExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-11.2 °F - closed cup

flash_point_c

-24 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

危险化学品

This item has



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Burdock GA
Encyclopedia of Food and Color Additives, 1, 1462-1463 (1997)
Specific anosmia to isobutyraldehyde: the malty primary odor.
MOORE JE, et al.
Chemical Senses, 2(1), 17-25 (1976)
Wheat flavor components
Mcwilliams M & Mackey AC
Journal of Food Science, 34(6), 493-496 (1969)



Global Trade Item Number

SKUGTIN
W222003-20KG-K04061837508868
W222003-SAMPLE-K04061837508875
W222003-1KG-K04061837845581
W222003-4KG-K04061837845598
W222003-8KG-K04061837845604