Melting point :137-139 °C (lit.)
Boiling point :227.54°C (rough estimate)
Density :1.24
vapor pressure :<1 Pa (25 °C)
refractive index :1.6231 (estimate)
Flash point :162°C
storage temp. :Store below +30°C.
solubility :benzene: 50 mg/mL, clear
form :Crystals or Crystalline Powder
color :White to beige
PH :7 (H2O)
Water Solubility :0.56 g/L (25 ºC)
BRN :775028
Exposure limits :ACGIH: TWA 1 mg/m3
Stability :Stable. Incompatible with strong bases, strong acids, strong oxidizing agents, strong reducing agents.
CAS DataBase Reference :91-15-6(CAS DataBase Reference)
NIST Chemistry Reference :Phthalonitrile(91-15-6)
EPA Substance Registry System :1,2-Benzenedicarbonitrile (91-15-6)

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 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P405 Store locked up. P501 Dispose of contents/container to..…