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

Chemical Properties

Appearance off-white to light brown solid
Melting point  163-165 °C(lit.)
Boiling point  288 °C
bulk density 500kg/m3
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
InChI 1S/C8H4N2/c9-5-7-2-1-3-8(4-7)6-10/h1-4H
InChIKey LAQPNDIUHRHNCV-UHFFFAOYSA-N
SMILES N#Cc1cccc(c1)C#N
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

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P301+P312+P330
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 .
OEB B
OEL TWA: 5 mg/m3
RIDADR  2811
WGK Germany  1
RTECS  CZ1900000
TSCA  Yes
REACH Registrations Active
HazardClass  6.1(b)
PackingGroup  III
HS Code  29269020
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
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

Hazard Information

Material Safety Data Sheet(MSDS)

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