Helium

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Safety Data Sheet(s):

Helium- A colorless, odorless, tasteless, inert gas

TECHNICAL INFORMATION
Chemical Symbol He
Molecular Weight 4.003
Specific Volume 96.7 ft3/lb (6.0 m3/kg)
CAS Registry Number 7440-59-7
SHIPPING INFORMATION
DOT Proper Name Helium, Compressed
Hazard Class 2.2
ID Number UN1046
Labels Nonflammable Gas
CYLINDER SIZES AVAILABLE
Std. Cylinder Sizes*ContentsCylinder Pressure (PSIG)CGA Valve Connection
300 291 2640 580
200 217 2200 580
80 73 2200 580
6K 515 6000 677

*Nonstandard cylinder sizes available upon request


SPECIFICATIONS SUBJECT TO CHANGE
CALL TO CONFIRM

GradePurityImpuritySpecifications Equipment Recommended
Ultra High Purity
5.0
99.999% O2
THC
H2O
<1 ppm
<0.5 ppm
<1 ppm
3201
N2 Free 5.0 99.999% Oxygen
Moisture
Nitrogen
Total Hydrocarbons
<2 ppm
<2 ppm
<6 ppm
<0.5 ppm
3201
High Purity 4.7 99.997% O2
THC
H2O
<3 ppm
<1 ppm
<3 ppm
3201
Zero 0.5 99.997% THC <0.5 ppm 3201
6K PSIG 99.997% Oxygen
Moisture
<5 ppm
<5 ppm
3800V or 3860TB

This information in no way replaces the Safety Data Sheets (SDS) for use and safety standards. Please refer to the SDS for details.