Phenazopyridine
Also known as: 2,6-Diamino-3-(phenylazo)pyridine, 3-(Phenylazo)-2,6-pyridinediamine, 3-(Phenyldiazenyl)pyridine-2,6-diamine, Pyridium, Baridium, Urodine, Viridium, Gastracid, Sedural, Urogesic, Geridium
Phenazopyridine (CAS 94-78-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11N5 and a molecular weight of 213.23900 g/mol. Key properties include a melting point of 235 - 240ºC, a boiling point of 442.3ºC at 760mmHg and a density of 1.32g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 94-78-0
- Jingsj CID
- J-1961689-0
- Molecular Formula
- C11H11N5
- Molecular Weight
- 213.23900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 235 - 240ºC |
|---|---|
| Boiling Point | 442.3ºC at 760mmHg |
| Density | 1.32g/cm3 |
| Exact Mass | 213.10100 |
| PSA | 89.65000 |
| LogP | 3.82380 |
| Refractive Index | 1.6880 (estimate) |
Activity & Biological Data
| Additional Information | [1]. Norris RD, et al. A prospective, randomized, double-blinded placebo-controlled comparison of extended release oxybutynin versus phenazopyridine for the management of postoperative ureteral stent discomfort. Urology. 2008 May;71(5):792-5. |
|---|
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Phenazopyridine?
The CAS number of Phenazopyridine is 94-78-0.
What are the molecular formula and molecular weight of Phenazopyridine?
Phenazopyridine has molecular formula C11H11N5 and molecular weight 213.23900 g/mol.
What are the upstream and downstream products of Phenazopyridine?
For Phenazopyridine, Upstream Products: Phenazopyridine hydrochloride, Benzenediazonium chloride; Downstream Products: pyridine-2,3,6-triamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenazopyridine (CAS 94-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961689-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.