General Information:
Type: APIItems | Standard |
Characteristics | A white or almost white crystalline powder |
Solubility | Sparingly soluble in water, freely soluble in alcohol,very slightly soluble in ether |
Identification | Conforms |
Melting range | 168-172 ºC |
Chloride | ≤0.014% |
Sulphate | ≤0.02% |
Sulfide | No coloration or spotting occurs |
Readily Carbonisable Substance | Conforms |
Free P-aminophenol | ≤0.005% |
Related substance | Conforms |
Loss on drying | ≤ 0.5% |
Residue on ignition | ≤0.1% |
OVI | Meets the requirements |
Assay | 99.0-101.0% |
Heavy metals | ≤0.001% |