4-Methyl-2-pentanoneCAS#108-10-1

Boiling point 

117-118 °C

density 

0.801 g/mL at 25 °C (lit.)

vapor density 

3.5 (vs air)

vapor pressure 

15 mm Hg ( 20 °C)

refractive index 

n20/D 1.395(lit.)

FEMA 

2731 | 4-METHYL-2-PENTANONE

Fp 

56 °F

storage temp. 

Store at +5°C to +30°C.

solubility 

water: soluble20g/L, soluble in alcohol, miscible with oils. Soluble in Propylene glycol and Glycerin.

form 

Liquid

color 

APHA: ≤15

Specific Gravity

0.80

Odor

Pleasant; mild, characteristic; sharp; non-residual; ketonic.

PH

7 (20°C)

Odor Threshold

0.17ppm

Odor Type

green

biological source

synthetic

explosive limit

1.2-8%, 93°F

Water Solubility 

17 g/L (20 ºC)

λmax

λ: 335 nm Amax: 1.00
λ: 340 nm Amax: 0.50
λ: 360 nm Amax: 0.15
λ: 380 nm Amax: 0.02
λ: 400 nm Amax: 0.01

Merck 

14,5207

JECFA Number

301

BRN 

605399

Henry's Law Constant

2.56 at 25 °C (batch stripping method-GC, Kim et al., 2000)

Exposure limits

TLV-TWA 205 mg/m3 (50 ppm); STEL 300 mg/m3 (75 ppm) (ACGIH); IDLH 3000 ppm (NIOSH).

Dielectric constant

13.0（Ambient）

Stability:

Volatile

LogP

1.3-1.9 at 20℃

CAS DataBase Reference

NIST Chemistry Reference

IARC

2B (Vol. 101) 2013

EPA Substance Registry System

Methyl isobutyl ketone (108-10-1)

ECETOC JACC REPORT

4-Methyl-2-pentanone (108-10-1)