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Succinonitrile

Names Preferred IUPAC nameButanedinitrileOther names DeprelinDicyanoethaneEthylene cyanideIdentifiers CAS Number110-61-23D model (JSmol)Interactive imageBeilstein Reference1098380 ChemSpider21106481ECHA InfoCard100.003.441EC Number203-783-9MeSHsuccinonitrilePubChemCID8062RTECS numberWN3850000UNII1R479O92DOCompTox Dashboard(EPA)DTXSID9026059InChIInChI=1S/C4H4N2/c5-3-1-2-4-6/h1-2H2Key: IAHFWCOBPZCAEA-UHFFFAOYSA-NSMILESN#CCCC#NProperties Chemical formulaC4H4N2Molar mass80.090 g·mol Appearance Colorless, waxy crystals Odorodorless Density985 mg mL Melting point58 °C (136 °F; 331 K) Boiling point266.1 °C; 510.9 °F; 539.2 K Solubility in water130 g L Vapor pressure300 Pa (at 100 °C) Thermochemistry Heat capacity(C)145.60 J K mol Std molarentropy(S298)191.59 J K mol Std enthalpy offormation(ΔfH298)139.3–140.4 kJ mol Std enthalpy ofcombustion(ΔcH298)−2.2848–−2.2860 MJ mol Hazards GHS labelling: PictogramsSignal wordWarningHazard statementsH302, H315, H319, H335Precautionary statementsP261, P305+P351+P338Flash point113 °C (235 °F; 386 K) Lethal dose or concentration (LD, LC): LD50 (median dose)450 mg kg (oral, rat)NIOSH (US health exposure limits): PEL (Permissible)none REL (Recommended)TWA 6 ppm (20 mg/m) IDLH (Immediate danger)N.D. Related compounds Related alkanenitrilesPropanenitrileAminopropionitrilePivalonitrileAcetone cyanohydrinButyronitrileTetramethylsuccinonitrileRelated compoundsDBNPAExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Yverify ( ?)

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