Cyanogen
[CAS# 460-19-5]

Identification

• Name: Cyanogen
• Synonyms: Carbon nitride (C2N2); Cyanogen; Dicyan; Dicyanogen; Nitriloacetonitrile; Oxalic acid dinitrile; Oxalonitrile; Oxalyl cyanide
• Molecular Formula: C₂N₂
• Molecular Weight: 52.03
• CAS Registry Number: 460-19-5
• EC Number: 207-306-5

Properties

• Solubility: Freely soluble (213 g/L) (25 ºC), Calc.^*
• Density: 0.9537 g/cm³ (-21.17 ºC)^**
• Melting point: -27.9 ºC^***
• Boiling point: -21.1 ºC^****
• Flash point: -91.3±12.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

^*** "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

^**** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Safety Data

• Hazard Symbols: GHS02;GHS04;GHS06;GHS09 Danger
• Hazard Statements: H220-H331-H400-H410

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable gases	Flam. Gas	1	H220
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	3	H331

• Hazardous Chemical?: Yes