Description

Phenazopyridine Hydrochloride is a well-established pharmaceutical intermediate and active ingredient, recognized for its specific therapeutic properties. Its primary commercial value lies in its role as a key component in the synthesis of urinary analgesic medications, where it provides targeted relief. This compound is essential for manufacturers in the pharmaceutical industry, particularly those producing urological treatments and diagnostic agents. We supply high-purity grades suitable for demanding research, development, and production applications.

Application

• Pharmaceutical Active Ingredient: Primary use as the active component in prescription and over-the-counter urinary analgesic drugs.
• Analgesic Formulations: Formulated into tablets and capsules specifically designed to alleviate pain, burning, and discomfort associated with urinary tract infections (UTIs) and procedures.
• Diagnostic Aid: Used in certain diagnostic tests and procedures related to urological function due to its distinctive properties.
• Chemical Synthesis Intermediate: Serves as a crucial building block in organic synthesis for more complex pharmaceutical molecules.
• Research & Development: Utilized in pharmacological studies, bioavailability research, and the development of new drug delivery systems.
• Reference Standard: High-purity grades are used as analytical reference standards in quality control laboratories for method development and validation.

Basic Information

Product Name	Phenazopyridine Hydrochloride
CAS No.	136-40-3
Molecular Formula	C11H11N5·HCl
Molecular Weight	249.70 g/mol
Synonyms	Pyridium; Phenazopyridine HCl; 2,6-Pyridinediamine, 3-(phenylazo)-, monohydrochloride; 3-(Phenylazo)-2,6-pyridinediamine monohydrochloride; Azodyne; Azogantrisin; Mallofeen; Phenazo; Pyridiate; Sedural; Urodine; Urogesic
EINECS	205-235-6

Quality Control

Our Phenazopyridine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and potency. We can supply material compliant with relevant pharmacopeial standards (e.g., USP, EP) for pharmaceutical applications. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark red crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	98.0% - 102.0% (on dried basis)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity: ≤ 0.5% Total impurities: ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.