Substance type
Substance type classified into 3 categories. Decided structure: Substances with a clear structure Undicided Structure: Substances with unknown or undetermined structure Mixtures: Mixtures, racemic compounds, or compounds with relative structural arrangements
Undecided structure
Molecular formula：H2 Molecular formula furigana：
H2
Molecular weight：
2.016
Other name (3)：
Hydrogen
水素分子
Hydrogen molecule
CAS registry number：
1333-74-0
Regulation number (1)：
