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Molecular formula:C6H5O2N
CAS CODE：55-22-1
Molecular weight:123.11
Structural formula：
Introduction to the product:
Isonicotinic acid is the major raw material for producing isoniazid , terfenadine and isonicotinic acid osters esters and it can serve as intermediate for other medicine and chemical products.
Quality standard(Factory standard)
ITEMS | STANDARD | ||
GRADE I | GRADE II | ||
Appearance | White or almost white powder | White or almost white powder | |
Colour index | ≤20 |
| |
Colour of solution |
| Not deeper than stanard | |
Loss on drying | ≤1.0% | ≤1.0% | |
Residue on ignition | ≤0.15% | ≤0.5% | |
Related substances | total | ≤1.0% |
|
Any single | ≤0.5% | ||
Assay | ≥99.0% | ≥99.0% | |
Packing specification:25kg/cardboard drumΦ330mm x h600mm
Manufacturing
