(1,3-Dioxo-1,3-dihydro-2H-inden-2-ylidene)malononitrile
[CAS# 90522-66-0]

Identification

• Name: (1,3-Dioxo-1,3-dihydro-2H-inden-2-ylidene)malononitrile
• Synonyms: (1,3-Dihydro-1,3-dioxo-2H-inden-2-ylidene)malonitrile; (1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)propanedinitrile; (1,3-dioxocyclopenta[3,4-a]benzen-2-ylidene)methane-1,1-dicarbonitrile
• Molecular Formula: C₁₂H₄N₂O₂
• Molecular Weight: 208.17
• CAS Registry Number: 90522-66-0
• SMILES: C1=CC=C2C(=C1)C(=O)C(=C(C#N)C#N)C2=O
• InChI: 1S/C12H4N2O2/c13-5-7(6-14)10-11(15)8-3-1-2-4-9(8)12(10)16/h1-4H
• InChIKey: WQFLMIPTYDGFOB-UHFFFAOYSA-N

Properties

• Density: 1.5±0.1g/cm³ (Cal.)
• Melting point: 270°C (Expl.)
• Boiling point: 347.9±42.0°C at 760 mmHg (Cal.)
• Flash point: 164.2±27.9°C (Cal.)

Safety Data

• Safety Code: S36
• Risk Code: R20/22
• Hazard Symbol: X
• Transport Information: UN3439
• Safety Description: DANGER: POISON, causes cyanosis; skin, eye, lung irritation