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CGH2

Compressed Hydrogen
Blue diamond compressed hydrogen.jpg
DOT Hazardous Material Placard compressed hydrogen.jpg
IUPAC Compressed hydrogen
Other names Hydrogen under pressure, CGH2, CGH2
UN number 1049, Class 2
IMO 1049, Class 2.1
DOT 1049, Class 2.1
ADR 1049, Class 2.1
IATA 1049, Class 2.1
WHMIS A, B1
RTECS MW8900000
PEL-OSHA Simple asphyxiant
ACGIH TLV-TWA Simple asphyxiant
Appearance Colorless, odorless
LEL 4 %
UEL 75 %
Auto ignition 500 °C (932 °F)

Compressed hydrogen (CH2, CGH2 or CGH2) is the gaseous state of the element hydrogen kept under pressure. Compressed hydrogen in hydrogen tanks at 350 bar (5,000 psi) and 700 bar (10,000 psi) is used for mobile hydrogen storage in hydrogen vehicles. It is used as a fuel gas.

Compressed hydrogen is used in hydrogen pipeline transport and in compressed hydrogen tube trailer transport.


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Wikipedia

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