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Key Documents

302058

Sigma-Aldrich

Diketene

≥98%

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About This Item

Empirical Formula (Hill Notation):
C4H4O2
CAS Number:
Molecular Weight:
84.07
Beilstein/REAXYS Number:
104541
EC Number:
MDL number:
UNSPSC Code:
12352100

vapor density

2.9 (vs air)

vapor pressure

7.9 mmHg ( 20 °C)

assay

≥98%

autoignition temp.

590 °F

refractive index

n20/D 1.439 (lit.)

bp

69-70 °C/100 mmHg (lit.)

density

1.09 g/mL at 25 °C (lit.)

SMILES string

C=C1CC(=O)O1

InChI

1S/C4H4O2/c1-3-2-4(5)6-3/h1-2H2

InChI key

WASQWSOJHCZDFK-UHFFFAOYSA-N

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Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

93.2 °F - closed cup

flash_point_c

34 °C - closed cup

ppe

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Aldrichimica Acta, 27, 39-39 (1994)

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