Input interpretation
hydrogen oxygen | DOT numbers
Results
hydrogen | 1966 oxygen | 1073
NFPA label
NFPA label
| hydrogen | oxygen NFPA health rating | 3 | 3 NFPA fire rating | 4 | 0 NFPA reactivity rating | 0 | 2 NFPA hazards | | oxidizing agent
Safety properties
| hydrogen flash point | -18 °C autoignition point | 535 °C lower explosive limit | 4% upper explosive limit | 76%
| hydrogen | oxygen DOT hazard class | 2.1 | 2.2 DOT numbers | 1966 | 1073
Toxicity properties
| hydrogen | oxygen odor | odorless | odorless
| hydrogen | oxygen RTECS classes | other | mutagen | reproductive effector | human data