| Identification | ||
| Name | Isoniazid | |
| Synonyms | Isonicotinic acid hydrazide; INAH; Pyridine-4-carbohydrazide | |
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| Molecular Structure |
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| Molecular Formula | C6H7N3O | |
| Molecular Weight | 137.14 | |
| CAS Registry Number | 54-85-3 | |
| EINECS | 200-214-6 | |
| Properties | ||
| Melting point | 170-174 ºC | |
| Water solubility | 14 g/100 mL (25 ºC) | |