Names
Preferred IUPAC name Pentanedinitrile
Other names Dicyanopropane[citation needed]
Identifiers
CAS NumberY
3D model (JSmol)
Beilstein Reference1738385
ChemSpiderY
ECHA InfoCard
EC Number208-861-6
PubChem CID
RTECS numberYI3500000
UNIIY
UN number2810
CompTox Dashboard (EPA)
InChI InChI=1S/C5H6N2/c6-4-2-1-3-5-7/h1-3H2YKey:ZTOMUSMDRMJOTH-UHFFFAOYSA-NY
SMILES N#CCCCC#N
Properties
Chemical formulaC5H6N2
Molar mass94.117g·mol−1
AppearanceColourless liquid
Density995 mg mL−1
Melting point−29.6°C; −21.2°F; 243.6K
Boiling point286.1°C; 546.9°F; 559.2K
Refractive index ( n D )1.434
Thermochemistry
Heat capacity ( C )186.26 J K−1 mol−1
Std molar entropy ( S ⦵ 298 )239.45 J K−1 mol−1
Hazards
GHS labelling:
Pictograms
Signal wordDanger
Hazard statementsH301, H312, H332
Precautionary statementsP280, P301+P310
Flash point113°C (235°F; 386K)
Lethal dose or concentration (LD, LC):
LD 50 (median dose)266 mg kg−1 (oral, mouse)
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25°C [77°F], 100kPa). Yverify(what isYN?) Infobox references