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W288101

Sigma-Aldrich

Benzylideneacetone

≥98%, FG

Synonym(s):

Benzalacetone, 4-Phenylbut-3-en-2-one, Benzylideneacetone, Methyl styryl ketone

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About This Item

Linear Formula:
C6H5CH=CHCOCH3
CAS Number:
122-57-6
Molecular Weight:
146.19
FEMA Number:
2881
Beilstein/REAXYS Number:
742047
EC Number:
204-555-1
Council of Europe no.:
158
MDL number:
MFCD00008779
UNSPSC Code:
12164502
PubChem Substance ID:
24901370
Flavis number:
7.024
NACRES:
NA.21

biological source

synthetic

Quality Level

400

grade

FG
Halal
Kosher

agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 872/2012
FDA 21 CFR 172.515

vapor pressure

0.01 mmHg ( 25 °C)

assay

≥98%

bp

260-262 °C (lit.)

mp

39-42 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

anise; cinnamon; jam; balsamic; spicy; floral; sweet

SMILES string

[H]\C(=C(\[H])c1ccccc1)C(C)=O

InChI

1S/C10H10O/c1-9(11)7-8-10-5-3-2-4-6-10/h2-8H,1H3/b8-7+

InChI key

BWHOZHOGCMHOBV-BQYQJAHWSA-N

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General description

Benzylideneacetone is used in the fragrance industry for its sweet pea-like odor. It is one of the major constituents of Monanthotaxis capea essential oil. Studies suggest that apart from skatole and androstenone, benzylideneacetone may also be one of the volatile compounds, which contributes to the development of boar taint in fat samples.

Biochem/physiol Actions

Taste at 5-10 ppm

Other Notes

Natural occurrence: Soybeans and Virginia tobacco.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H317

Hazard Classifications

Skin Irrit. 2 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

253.4 °F - closed cup

flash_point_c

123 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR3597
SHBQ9143
SHBQ6205
SHBN1692
SHBL8407

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Phenylbutane Derivatives as Main Constituents of Monanthotaxis capea Essential Oil.
Lamaty G, et al.
J. Essent. Oil Res., 4(1), 33-39 (1992)
Hiroyuki Morita et al.
Proceedings of the National Academy of Sciences of the United States of America, 107(2), 669-673 (2010-01-19)
Benzalacetone synthase (BAS), a plant-specific type III polyketide synthase (PKS), catalyzes a one-step decarboxylative condensation of malonyl-CoA and 4-coumaroyl-CoA to produce the diketide benzalacetone. We solved the crystal structures of both the wild-type and chalcone-producing I207L/L208F mutant of Rheum palmatum
Bowon Kwon et al.
Journal of economic entomology, 101(1), 36-41 (2008-03-12)
Benzylideneacetone (BZA) is a metabolite of gram-negative entomopathogenic bacterium Xenorhabdus nematophila, and it acts as an enzyme inhibitor against phospholipase A2 (PLA2). PLA2 catalyzes a committed biosynthetic step of eicosanoids, which mediate insect immune reactions to infection by microbial pathogens.
Samyeol Seo et al.
Applied and environmental microbiology, 78(11), 3816-3823 (2012-03-27)
The entomopathogenic bacteria Xenorhabdus nematophila and Photorhabdus temperata subsp. temperata suppress insect immune responses by inhibiting the catalytic activity of phospholipase A(2) (PLA(2)), which results in preventing biosynthesis of immune-mediating eicosanoids. This study identified PLA(2) inhibitors derived from culture broths
Role of 4-phenyl-3-buten-2-one in boar taint: identification of new compounds related to sensorial descriptors in pig fat.
Rius Sole MA & Garcia Regueiro JA.
Journal of Agricultural and Food Chemistry, 49(11), 5303-5309 (2001)
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