Nitrogen
[CAS# 7727-37-9]

Identification

• Classification: Inorganic chemical industry >> Industrial gases such as hydrogen, nitrogen and oxygen
• Name: Nitrogen
• Molecular Formula: N₂
• Molecular Weight: 28.01
• CAS Registry Number: 7727-37-9
• EC Number: 231-783-9

Properties

• Melting point: -210 °C
• Boiling point: -196 °C

Safety Data

• Safety Statements: S38

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Gases under pressure (compressed)	Press. Gas (Comp.)		H280
Gases under pressure (refrigerated liquid)	Press. Gas (Ref. Liq.)		H281
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Gases under pressure (dissolved)	Press. Gas (Diss.)		H281
Gases under pressure (compressed)	Press. Gas (Comp.)		H281
Skin irritation	Skin Irrit.	2	H315
Carcinogenicity	Carc.	1A	H350
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H332
Germ cell mutagenicity	Muta.	1B	H340

• Transport Information: UN 1066; UN 1977