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626-17-5

Name 1,3-Dicyanobenzene
CAS 626-17-5
EINECS(EC#) 210-933-7
Molecular Formula C8H4N2
MDL Number MFCD00001795
Molecular Weight 128.13
MOL File 626-17-5.mol
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Chemical Properties

Appearance off-white to light brown solid
Melting point  163-165 °C(lit.)
Boiling point  288 °C
density  0,992 g/cm3
vapor pressure  13.332Pa at 50℃
refractive index  1.6231 (estimate)
Fp  288°C
storage temp.  Store below +30°C.
solubility  0.7g/l
form  Flakes
color  White to tan
Water Solubility  0.7 g/L (20 ºC)
BRN  1072209
Exposure limits ACGIH: TWA 5 mg/m3
NIOSH: TWA 5 mg/m3
LogP 1.5 at 25℃
CAS DataBase Reference 626-17-5(CAS DataBase Reference)
NIST Chemistry Reference 1,3-Benzenedicarbonitrile(626-17-5)
EPA Substance Registry System 626-17-5(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
R20/22:Harmful by inhalation and if swallowed .
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
RIDADR  2811
WGK Germany  1
RTECS  CZ1900000
TSCA  Yes
HazardClass  6.1(b)
PackingGroup  III
HS Code  29269020
Safety Profile
Poison by ingestion. An eye irritant. When heated to decomposition it emits toxic fumes of NOx and CN-. See also NITRILES.
Hazardous Substances Data 626-17-5(Hazardous Substances Data)

Raw materials And Preparation Products

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