Dimethylmalononitrile
[CAS# 7321-55-3]

Identification

• Name: Dimethylmalononitrile
• Molecular Formula: C₅H₆N₂
• Molecular Weight: 94.11
• CAS Registry Number: 7321-55-3
• EC Number: 628-248-0
• SMILES: CC(C)(C#N)C#N

Properties

• Solubility: 1068 mg/L (25 ºC water)
• Density: 1.0±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.425, Calc.^*
• Melting point: 6.05 ºC
• Boiling Point: 206.21 ºC, 169.5±0.0 ºC (760 mmHg), Calc.^*
• Flash Point: 77.8±13.7 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS06 Danger
• Hazard Statements: H301+H311+H331-H315-H319-H335
• Precautionary Statements: P261-P280-P301+P310-P302+P352+P312-P304+P340+P311-P305+P351+P338

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	3	H301
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	3	H331
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Flammable solids	Flam. Sol.	2	H228
Eye irritation	Eye Irrit.	2A	H319