Isoniazid is a white or almost white, crystalline powder or colourless crystals. It is freely soluble in water, sparingly soluble in alcohol.
Isoniazid is the preferred drug for the treatment of tuberculosis, suitable for all types of tuberculosis, such as tuberculosis, lymph, bone, kidney, intestine and other tuberculosis, tuberculous meningitis, pleurisy and peritonitis.
|Appearance||White or almost white, crystalline powder or colourless crystals.|
|Melting range ||170 °C to 174 °C|
|Appearance of solution||Meets the requirements.|
|PH ||6.0 - 8.0|
|Heavy metals||≤10 ppm|
|Loss on drying||≤0.5%|
|Assay||99.0% - 101.0%|
Packing and Storage
Preserve in tight, light-resistant containers. Store at 25°C, excursions permitted between 15°C and 30°C.