Note: An asterisk(*) flags the name by which the chemical is listed on the Chem Watch MSDS database

Search result for: hydrogen*

Table showing details for hydrogen*
Chemical
Category & User Codes
DG Class
DG PG
UN CAS No
Guidance notes
hydrogen*
 . . . gas (generated during experiment)
7-12
1
2
-
-
5
-
-
2.1

Not Hazardous   		-
 1049
1333-74-0 		Highly flammable gas.
Forms spontaneously combustible/explosive mixtures in air at low concentrations. The gas is non-toxic but can act as an asphyxiant. In the past the "popping" of hydrogen in glass containers was common source of injury to students.

See Appendix F for safe use.

Other concentrations: