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Email ：PharmaSources@imsinoexpo.com
Whatsapp ：+86-13621645194
Factory Location: Building A311, Building A, No. 1255 Jinhai Road, Pudong New Area, Shanghai (Dingxin Building)
Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Sample Provided: no
Payment Terms: L/L
Specifications
Purity , %
99.999
99.9999
Oxygen
≤1.0 ppmv
≤0.05 ppmv
Nitrogen
≤5.0 ppmv
≤0.2 ppmv
Carbon Dioxide
≤1.0 ppmv
≤0.02 ppmv
Carbon Monoxide
≤1.0 ppmv
≤0.02 ppmv
Methane
≤1.0 ppmv
≤0.01 ppmv
Water
≤3.0 ppmv
≤0.5 ppmv
Ship
DOT Shipping Name
Hydrogen , Compressed
DOT Classification
2.1
DOT Label
Flammable Gas
UN Number
UN 1049
CAS No.
133-74-0
CGA/DISS/JIS/BS341/DIN477
350/724/W22-14L/NO.4/NO.1
Shipped as
Compressed Gas
Technical Information
Cylinder State @ 21.1°C
Gas
Flammable Limits In Air
4–74.5 %
Auto Ignition Temperature (°C )
475
Molecular Weight (g/mol)
2.016
Specific gravity (air =1)
0.071
Critical Temperature ( °C )
-239.97
Critical Pressure ( psig )
372.785
Applications
· In various analytical instrument applications, most commonly as a fuel component of combustion gases for Flame Ionization and Flame Photometric Detectors
· As a carrier gas in gas chromatography
· In mixtures for heat treatment in metallurgy
· In mixtures for laser applications
· In mixtures for leak detection
· In hydrogenation processes
· In manufacturing of calibration mixtures
· In semiconductor fabrication: carrier gas, especially for silicon deposition.
Audited Supplier
Pharma Sources Insight January 2025
