Molecular Weight

4.003

Specific Volume

96.7CF/lb

Fire Potential

Nonflammable

TLV-TWA

None established

CGA Valve

580,3HP-677, 2HP-680

LB

180

Dot Name

Helium, Compressed
or refrigrated liquid

UN No.

UN1046

Dot Class

2.2

Dot Label

Nonflammable Gas

Cas Registry

7440-59-7