Melting point :30-32 °C (lit.)
Boiling point :220 °C (lit.)
Density :1.049 g/mL at 25 °C (lit.)
vapor pressure :1 hPa (50 °C)
refractive index :1.4150
Flash point :234 °F
storage temp. :2-8°C
solubility :133g/l
pka :11(at 25℃)
form :Crystalline Low Melting Mass
color :White to yellow-brown
Specific Gravity :1.049
PH :pH : 4.5
Water Solubility :13.3 g/100 mL (20 ºC)
Merck :14,5711
BRN :773697
Exposure limits :TLV-TWA 8 mg/m³ (3 ppm) (NIOSH).
Dielectric constant :46.0
InChIKey :CUONGYYJJVDODC-UHFFFAOYSA-N
CAS DataBase Reference :109-77-3(CAS DataBase Reference)
NIST Chemistry Reference :Malononitrile(109-77-3)
EPA Substance Registry System :Malononitrile (109-77-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. 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.