1,5-Diphenyl carbazide AR 25GM | |||
20637SG025 | 924720328BX | ||
AR | 9247203 | ||
140-22-7 | 101443 | ||
(C6H5NHNH)2 CO | February 2024 | ||
242.28 | January 2029 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
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 | 99.65% | 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 | 0.02% | 0.05% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |