描述
- MELTING POINT:
- 110 °C
- BOILING POINT:
- 281 °C
- SOLUBILITY:
- water 1,000 g/l at 20 °C
- PHYSICAL DESCRIPTION:
- solid
- QUALITY NAME:
- pure, pharma grade
- SPECIFICATIONS:
- Assay (calc. a.d.s.): 99.0-100.5%
Identity according to Pharmacopoeias:: passes test
Melting range: 109-111°CMaximum limit of impurities
Appearance of solution: passes test
Acidity or alkalinity: passes test
Insoluble matter in H2O: 0.01 %
Loss on drying: 1.0%
Residue on ignition (as SO4): 0.05 %
Residual solvents (Ph.Eur/USP): passes test
Phenol: passes test
Ordinary impurities: 0.5%
Pyrocatechol: passes test
Residual metals ICP: (according to EMEA/CHMP/SWP/4446/2000)
Class 1A (Pt, Pd): 10 ppm
Class 1B (Ir, Rh, Ru, Os): 10 ppm
Class 1C (Mo, Ni, Cr, V): 25 ppm
Class 2 (Cu, Mn): 250 ppm
Class 3 (Fe, Zn): 1,300 ppm
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