Argon
[CAS# 7440-37-1]

Identification

• Classification: Inorganic chemical industry >> Industrial gases such as hydrogen, nitrogen and oxygen
• Name: Argon
• Molecular Formula: Ar
• Molecular Weight: 39.95
• CAS Registry Number: 7440-37-1
• EC Number: 231-147-0

Properties

• Melting point: -189 °C
• Boiling point: -186 °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

• Transport Information: UN 1006; UN 1951