
| 1,5-Diphenyl carbazide AR 25GM | |||
| 20637SG025 | 967340301IZ | ||
| AR | 9673403 | ||
| 140-22-7 | 122805 | ||
| (C6H5NHNH)2 CO | September 2026 | ||
| 242.28 | August 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Almost white crystalline powder. Slowly becomes pink on exposure to air. | White or almost white crystalline powder. Slowly becomes pink on exposure to air. | |
| 2 | Solubility | Complies | Very slightly soluble in water,soluble in hot alcohol, acetone, and glacial acetic acid. | |
| 3 | Assay | 99.10% | min. 98.00% | |
| 4 | Melting point | 172°C | 171° - 173°C | |
| 5 | Sensitivity to Chromate | Complies | Passes test. | |
| 6 | Aqueous acetone insoluble matter | 0.004% | 0.01% max | |
| 7 | Sulphated ash | 0.023% | 0.05% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |