Hydrogen

CAS RN:1333-74-0

Key Info

GASES - FLAMMABLE (Including Refrigerated Liquids)
• EXTREMELY FLAMMABLE
• CAUTION: Hydrogen (UN1049) is lighter than air and will rise.
• Hydrogen fires are difficult to detect since they burn with an invisible flame.
• Use an alternate method of detection (thermal camera, broom handle, etc.)
• DO NOT EXTINGUISH A LEAKING GAS FIRE UNLESS LEAK CAN BE STOPPED
• CAUTION: Hydrogen (UN1049) burns with an invisible flame.
• CAUTION: When in contact with refrigerated/cryogenic liquids, many materials become brittle and are likely to break without warning
Find more information on this substance at: Hazardous Substances Data Bank , TOXMAP , TOXNET , PubMed