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Isoniazid, also known as isonicotinylhydrazide (INH), is an antibiotic used for the treatment of tuberculosis.
Specification:
|
Test item |
Specification |
|
Description: |
a white or almost crystaline powder |
|
Identification: |
|
|
(A)infrared absorption(197k) (b) ultraviolet absorption |
Should be positive |
|
Melting range: |
Between 170° and 173° |
|
Acidity (PH) : |
Between 6.0 and 7.5 |
|
Loss on drying |
Not more than 1.0% |
|
Residue on ignition: |
Not more than 0.2% |
|
Heavy metal: |
Not more than 20ppm |
|
Organic volatile impurities: |
Meet the requirements |
|
Assay (dry basis) |
Between 98.0% and 102.0% |
|
Additional requirements |
|
|
Hydrazine and related substances: |
|
|
Hydrazine: |
Less than 0.05% |
|
Single largest impurity: |
Less than 0.2% |
|
Total impurity: |
Less than 0.3% |
Packaging details:
|
Packaging details: |
25kg/drum with double plastic bags inside; packed in a cardboard drum or fiber HDPE drum. |
|
Storage: |
Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat |
|
Shelf Life: |
5 years if sealed and store away from direct sun light. |
