CyclohexanoneCAS#108-94-1

Boiling point 

155 °C (lit.)

density 

0.947 g/mL at 25 °C (lit.)

vapor density 

3.4 (vs air)

vapor pressure 

3.4 mm Hg ( 20 °C)

refractive index 

n20/D 1.450(lit.)

FEMA 

3909 | CYCLOHEXANONE

Fp 

116 °F

storage temp. 

Store at +5°C to +30°C.

solubility 

90g/l

pka

17(at 25℃)

form 

Liquid

color 

APHA: ≤10

PH

7 (70g/l, H2O, 20℃)

Odor

Like peppermint and acetone.

Relative polarity

0.281

Odor Type

minty

biological source

synthetic

explosive limit

1.1%, 100°F

Water Solubility 

150 g/L (10 ºC)

Merck 

14,2726

JECFA Number

1100

BRN 

385735

Henry's Law Constant

1.2 x 10-5 atm?m3/mol at 25 °C (Hawthorne et al., 1985) 6.92 x 10-5 atm?m3/mol at 60.00 °C, 10.7 at 70.00 °C, 16.4 at 80.00 °C (headspace-GC, Hovorka et al., 2002)

Exposure limits

TLV-TWA 100 mg/m3 (25 ppm) (ACGIH); IDLH 5000 ppm (NIOSH).

Dielectric constant

18.2（20℃）

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents.

LogP

0.86 at 25℃

Surface tension

33.74mN/m at 298.15K

CAS DataBase Reference

108-94-1(CAS DataBase Reference)

NIST Chemistry Reference

Cyclohexanone(108-94-1)

IARC

3 (Vol. 47, 71) 1999

EPA Substance Registry System

Cyclohexanone (108-94-1)

Risk Statements 

10-20-41-38-20/21/22

Safety Statements 

25-36/37/39-26

OEB

A

OEL

TWA: 25 ppm (100 mg/m3) [skin]

RIDADR 

UN 1915 3/PG 3

WGK Germany 

1

RTECS 

GW1050000

Autoignition Temperature

788 °F

TSCA 

Yes

HS Code 

2914 22 00

HazardClass 

3

PackingGroup 

III

Hazardous Substances Data

108-94-1(Hazardous Substances Data)

Toxicity

LD50 orally in rats: 1.62 ml/kg (Smyth)

IDLA

700 ppm