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Phenazopyridine Hydrochloride or Phenazopyridine HCl USP Grade Supplier Exporter Manufacturers' Representative |
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Phenazopyridine Hydrochloride or Phenazopyridine HCl or Pyripyridium or Urodine
CAS Number: 136-40-3
Molecular Formula: C11H11N5-HCl
Molecular Weight: 249.70
Phenazopyridine Hydrochloride or Phenazopyridine HCl or Pyripyridium or Urodine
Phenazopyridine Hydrochloride USP Grade Specifications:
C11H11N5-HCl --- 249.70
2,6-Pyridinediamine, 3-(phenylazo)-, monohydrochloride;
2,6-Diamino-3-(phenylazo)pyridine monohydrochloride CAS 136-40-3
UNII: 0EWG668W17
UNII: K2J09EMJ52
DEFINITION
Phenazopyridine Hydrochloride contains NLT 99.0% and NMT 101.0% of phenazopyridine hydrochloride (C11H11N5-HCl), calculated on the dried basis.
IDENTIFICATION
A. Infrared Absorption.
B. Ultraviolet Absorption.
Medium: Sulfuric acid in alcohol (1 in 360)
Sample solution: 5 µg/mL
Acceptance criteria: Meets the requirements
C. Passes the chromatographic test.
Residue on Ignition: NMT 0.2%
Water-Insoluble Substances:
Sample: 2 g
Analysis: Dissolve the Sample in 200 mL of water, heat to boiling, then heat in a covered container on a steam bath for 1 h. Filter through a tared, fine-porosity, sintered-glass crucible, wash thoroughly with water, and dry at 105C to constant weight.
Acceptance criteria: The weight of the residue does not exceed 0.1% of the weight of Phenazopyridine Hydrochloride taken.
Loss on Drying: Dry at 105C for 4 h. Acceptance criteria: NMT 1.0%
Packaging and Storage: Preserve in tight containers.
Please visit SDS Safety Data Sheet of Phenazopyridine Hydrochloride or Phenazopyridine HCl Suppliers.
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