136-40-3
Product Name:
Phenazopyridine hydrochloride
Formula:
C11H12ClN5
Synonyms:
2,6-Diamino-3-(phenylazo)pyridine hydrochloride;Phenazopyridine hydrochloride;Urodine
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Phenazopyridine hydrochloride appears as brick-red microcrystals with a slight violet luster or a purple powder. Aqueous solutions are yellow to brick-red and slightly acidic; they may be stabilized by the addition of 10% glucose. Slightly bitter taste. (NTP, 1992) |
|---|---|
| Melting Point | 282 °F (NTP, 1992) |
| Solubility | 30.4 [ug/mL] (The mean of the results at pH 7.4) |
| Collision Cross Section | 147.8 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards] |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H351:Carcinogenicity |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 249.70 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 249.0781231 g/mol |
| Monoisotopic Mass | 249.0781231 g/mol |
| Topological Polar Surface Area | 89.6 Ų |
| Heavy Atom Count | 17 |
| Formal Charge | 0 |
| Complexity | 237 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Phenazopyridine hydrochloride appears as brick-red microcrystals with a slight violet luster or a purple powder. Aqueous solutions are yellow to brick-red and slightly acidic; they may be stabilized by the addition of 10% glucose. Slightly bitter taste. (NTP, 1992)