Middlesex Gases

Specialty Gases

Hydrogen Gas Supplier for New England

Hydrogen Gas

A colorless, odorless, flammable gas

Learn more about Hydrogen gas, a colorless, odorless, flammable gas, supplied by Middlesex Gases to commercial customers in Massachusetts, New Hampshire, Rhode Island and Connecticut and throughout New England.

TECHNICAL INFORMATION
Chemical Symbol H2
Molecular Weight 2.02
Specific Volume 192 ft3/lb
CAS Registry Number 1333-74-0
SHIPPING INFORMATION
DOT Proper Name Hydrogen, Compressed
Hazard Class 2.1
ID Number UN1049
Labels Flammable Gas
CYLINDER SIZES AVAILABLE
Std. Cylinder Sizes* Contents Cylinder Pressure (PSIG) CGA Valve Connection
300 261 2400 350
200 195 2000 350
80 71 2000 350
6K 483 6000 703
*Nonstandard cylinder sizes available upon request

SPECIFICATIONS SUBJECT TO CHANGE

Contact Us To Confirm

Additional Information
GradePurityImpuritySpecifications Equipment Recommended
Research Purity
6.0
99.9999% Oxygen
Water
Nitrogen
THC
CO2 + CO
<0.2ppm
<0.5ppm
<0.3ppm
<0.1ppm
<0.1ppm


3200 or 3500
Ultra High Purity
5.0
99.999% Moisture
Oxygen
Nitrogen
Total Hydrocarbons
<3ppm
<1ppm
<5ppm
<1ppm


3100 or 3200
4.5 Zero 99.995% Total Hydrocarbons <0.5ppm 3800
High Purity 4.0 99.99% Moisture
Oxygen
<10ppm
<20ppm
3100 or 3200
4.8 (6000 PSIG) 99.998% Moisture
Oxygen
<3ppm
<5ppm
3800
This information in no way replaces the Safety Data Sheets (SDS) for use and safety standards. Please refer to the SDS for details.

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