Hydrogen deuteride
| Names | |
|---|---|
| IUPAC name
Hydrogen deuteride | |
| Systematic IUPAC name
(2H)Dihydrogen | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.034.325 |
| EC Number |
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PubChem CID |
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| UN number | 1049 |
CompTox Dashboard (EPA) |
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| Properties | |
| HD | |
| Molar mass | 3.02204 g mol−1 |
| Melting point | −259 °C (−434.2 °F; 14.1 K) |
| Boiling point | −253 °C (−423.4 °F; 20.1 K) |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H220, H280 | |
| P210, P377, P381, P403, P410+P403 | |
| NFPA 704 (fire diamond) | |
| 571 °C (1,060 °F; 844 K) | |
| Related compounds | |
Related hydrogens |
Deuterium |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Hydrogen deuteride is an isotopologue of dihydrogen composed of two isotopes of hydrogen: the majority isotope 1H (protium) and 2H (deuterium). Its proper molecular formula is 1H2H, but for simplification, it is usually written as HD.