Melting point :-30 °C
Boiling point :59-60 °C15 mm Hg(lit.)
Density :0.924 g/mL at 25 °C(lit.)
vapor density :3 (vs air)
vapor pressure :<8 mm Hg ( 20 °C)
refractive index :n20/D 1.442(lit.)
Flash point :140 °F
solubility :water: soluble100g/L at 25°C
form :Liquid
pka :pK1:12.45 (25°C)
color :Clear colorless to pale yellow
Water Solubility :114 g/L (20 ºC)
BRN :1698241
Dielectric constant :3.4（20℃）
Stability :Stable. Combustible. Incompatible with strong oxidizing agents. May react with strong acids to form an explosive material.
InChIKey :WHIVNJATOVLWBW-SNAWJCMRSA-N
LogP :0.63 at 25℃
CAS DataBase Reference :96-29-7(CAS DataBase Reference)
NIST Chemistry Reference :2-Butanone, oxime(96-29-7)
EPA Substance Registry System :Methyl ethyl ketoxime (96-29-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.