Malononitrile
[CAS# 109-77-3]

Identification

• Classification: Organic raw materials >> Nitrile compound
• Name: Malononitrile
• Synonyms: Dicyanomethane; MDN; MDN; Dicyanomethane
• Molecular Formula: C₃H₂N₂
• Molecular Weight: 66.06
• CAS Registry Number: 109-77-3
• EC Number: 203-703-2

Properties

• Density: 1.049
• Melting point: 30-34 °C
• Boiling point: 220 °C
• Flash point: 112 °C
• Water solubility: 13.3 g/100 mL (20 °C)

Safety Data

• Hazard Symbols: GHS06;GHS09 Danger
• Risk Statements: H331-H311-H301-H400-H410
• Safety Statements: S23;S27;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H331
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H311
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Eye irritation	Eye Irrit.	2	H319
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	3	H301
Specific target organ toxicity - single exposure	STOT SE	1	H370
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335

• Transport Information: UN 2647