Assay: 99%min
Appearance: Gray to brownish Crystalline Powder
Packing: 25kg/drum
Sample: Available
CAS No.: 531-91-9
N,N’-Diphenylbenzidine CAS 531-91-9
Typical Properties
Chemical Name: N,N’-Diphenylbenzidine
CAS No: 531-91-9
Molecular Formula: C24H20N2
Molecular Weight: 336.43
Appearance: Gray to brownish Crystalline Powder
Chemical Structure: 
N,N’-Diphenylbenzidine Typical Properties
| Item | Standard |
| Structural data confirmation | 1. H-NMR: The data of structure are identical with reference standard |
| 2. HPLC/GC-MS: Ensure the molecular weight of main peak and fragment peak are identical with reference standard | |
| 3. IR:The data of IR are identical with that of reference standard | |
| Inorganic salt | ≤0.1% |
| Loss on drying | ≤0.1% |
| Heavy metals | ≤10 ppm |
| Water | ≤0.1% |
| Purity(HPLC/GC) | ≥99.0% |
Usage
1.N,N’-Diphenylbenzidine is now used as an anti-scald agent.
2.It is also used in the manufacture of a variety of substances, for instance, dye stuffs and their intermediates, pesticides, anthelmintic drugs, and as reagents in analytical chemistry laboratories.
3.N,N’-Diphenylbenzidine is used in the manufactureof dyes, as a stabilizer for nitrocelluloseexplosives, and as an analytical reagent forcolorimetric tests for nitrate and chlorate.
4.As an antioxidant inrubber and elastomer industry and in the per fumery.
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Packing: 25kg/drum
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N,N’-Diphenylbenzidine CAS 531-91-9