Argon
Names
[ CAS No. ]:
7440-37-1
[ Name ]:
Argon
[Synonym ]:
UN1006
UNII-67XQY1V3KH
UN1951
Argon
EINECS 231-147-0
MFCD00003431
Chemical & Physical Properties
[ Density]:
1.784（0℃）
[ Boiling Point ]:
-185.7 °C(lit.)
[ Melting Point ]:
-189.2 °C(lit.)
[ Molecular Formula ]:
Ar
[ Molecular Weight ]:
39.94800
[ Exact Mass ]:
39.96240
[ Vapour density ]:
1.38 (21 °C, vs air)
[ Stability ]:
Stable. Inert.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CF2300000
- CHEMICAL NAME :
- Argon
- CAS REGISTRY NUMBER :
- 7440-37-1
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 16
- MOLECULAR FORMULA :
- Ar
- MOLECULAR WEIGHT :
- 39.95
- WISWESSER LINE NOTATION :
- .AR
Safety Information
[ Safety Phrases ]:
S38
[ RIDADR ]:
UN 1006 2.2
[ WGK Germany ]:
-
[ RTECS ]:
CF2300000
[ Hazard Class ]:
2.2
[ HS Code ]:
2804210000
Customs
[ HS Code ]: 2804210000