Melting point :-80 °C (lit.)
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)
FEMA :2731 | 4-METHYL-2-PENTANONE
refractive index :n20/D 1.395(lit.)
Flash point :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.
explosive limit :1.2-8%, 93°F
Odor Threshold :0.17ppm
Odor Type :green
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 JECFA Number :301
Merck :14,5207
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 :108-10-1(CAS DataBase Reference)
IARC :2B (Vol. 101) 2013
NIST Chemistry Reference :Methyl isobutyl ketone(108-10-1)
EPA Substance Registry System :Methyl isobutyl ketone (108-10-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.