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Key Documents

W341703

Sigma-Aldrich

3-Penten-2-one

≥70%

Synonym(s):

Methyl propenyl ketone

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About This Item

Linear Formula:
CH3CH=CHCOCH3
CAS Number:
Molecular Weight:
84.12
FEMA Number:
3417
Beilstein/REAXYS Number:
1633505
EC Number:
Council of Europe no.:
666
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
7.044

biological source

synthetic

grade

Halal
Kosher

vapor pressure

760 mmHg ( 121 °C)

assay

≥70%

impurities

~30% Mesityl oxide

refractive index

n20/D 1.437 (lit.)

bp

121-124 °C (lit.)

density

0.862 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

fishy; fruity

SMILES string

CC(C=CC)=O

InChI

1S/C5H8O/c1-3-4-5(2)6/h3-4H,1-2H3

InChI key

LABTWGUMFABVFG-UHFFFAOYSA-N

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pictograms

FlameSkull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

69.8 °F - closed cup

flash_point_c

21 °C - closed cup

ppe

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


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