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Chemical Name ：2,6-Pyridinediamine, 3-(phenylazo)-, monohydrochloride. 2,6-Diamino-3-(phenylazo)pyridine monohydrochloride
Molucular weight：249.70
CAS: 136-40-3
Molecular Structure： 
Application：Used to alleviate from cystitis,prostatitis,urethritis,gonococcal urethritis and Endoscopy, caused by urethral catheterization,such as the urethra and bladder pain,heartburn flu and the frequency, urgency,and so does not apply.
Quality standard：USP30
| Item | usp30 standard |
| Property | Dark red crystalline powder |
| Insolube in water | ≤0.1% |
| Relation substance | impurities≤1.0% Single peak≤0.5% |
| Loss in dry | ≤1.0% |
| Remain in burn | ≤0.2% |
| Heavy Metal | ≤20ppm |
| Assay | 99.0～101.0％ |
Package：5Kg/bg，25Kg/drum
