7440-37-1

7440-37-1 structure
7440-37-1 structure

Name argon atom
Synonyms UN1006
UNII-67XQY1V3KH
UN1951
Argon
EINECS 231-147-0
MFCD00003431
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.

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 Phrases S38
RIDADR UN 1006 2.2
WGK Germany -
RTECS CF2300000
Hazard Class 2.2
HS Code 2804210000
HS Code 2804210000
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