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8.02670

Sigma-Aldrich

Cyclopentanone

for synthesis

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Synonym(s):
Cyclopentanone
Empirical Formula (Hill Notation):
C5H8O
CAS Number:
Molecular Weight:
84.12
MDL number:
EC Index Number:
204-435-9

vapor pressure

11.5 hPa ( 20 °C)

Quality Level

assay

≥99.0% (GC)

form

liquid

autoignition temp.

445 °C

potency

>5000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.6-10.8 % (v/v)

bp

131 °C/1013 hPa

mp

-58 °C

transition temp

flash point 27 °C

solubility

slightly soluble 9.18 g/L

density

0.95 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2

InChI key

BGTOWKSIORTVQH-UHFFFAOYSA-N

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1 of 4

This Item
8.187698.18770CX2414
vibrant-m

8.02670

Cyclopentanone

vibrant-m

8.18769

Cyclopentane

vibrant-m

8.18770

Cyclopentane

vibrant-m

CX2414

Cyclopentane

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

solubility

slightly soluble 9.18 g/L

solubility

-

solubility

insoluble 0.156 g/L

solubility

-

form

liquid

form

liquid

form

liquid

form

liquid

density

0.95 g/cm3 at 20 °C

density

0.75 g/cm3 at 20 °C

density

0.75 g/cm3 at 20 °C

density

-

bp

131 °C/1013 hPa

bp

49 °C

bp

49 °C

bp

-

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.947 - 0.949
Identity (IR): passes test

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

86.0 °F - closed cup

flash_point_c

30 °C - closed cup


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