A3217812
N,N'-Diphenylbenzidine , 98% , 531-91-9
Synonym(s):
N,N′-Diphenyl-4,4′-diaminobiphenyl, N,N′-Diphenyl-[1,1′-biphenyl]-4,4′-diamine;N,N′-Diphenylbenzidine
CAS NO.：531-91-9
Empirical Formula: C24H20N2
Molecular Weight: 336.43
MDL number: MFCD00003016
EINECS: 208-521-7
| Pack Size | Price | Stock | Quantity |
| 5G | RMB84.00 | In Stock |
|
| 25G | RMB236.00 | In Stock |
|
| 100G | RMB834.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 246-248 °C(lit.) |
| Boiling point: | 462.9°C (rough estimate) |
| Density | 1.1750 (rough estimate) |
| vapor density | 11.6 (vs air) |
| refractive index | 1.7620 (estimate) |
| Flash point: | >110°C |
| storage temp. | Store below +30°C. |
| solubility | Acetone (Slightly), DMF (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly, Sonicated) |
| form | Fine Crystalline Powder |
| pka | 1.31±0.40(Predicted) |
| color | Gray to brownish |
| Water Solubility | Insoluble in water. |
| Sensitive | Light Sensitive |
| Merck | 14,3319 |
| BRN | 2220993 |
| InChIKey | FDRNXKXKFNHNCA-UHFFFAOYSA-N |
| CAS DataBase Reference | 531-91-9(CAS DataBase Reference) |
| NIST Chemistry Reference | [1,1'-Biphenyl]-4,4'-diamine, n,n'-diphenyl-(531-91-9) |
| EPA Substance Registry System | [1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl- (531-91-9) |
Description and Uses
N,N'-Diphenylbenzidine is an indicator suitable for redox titrations, e.g. with dichromate or cerium(IV) sulfate 1,2. It is also used as intermediates in organic synthesis.
Safety
| Symbol(GHS) |   GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H302+H312+H332-H351 |
| Precautionary statements | P201-P202-P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P308+P313-P405-P501 |
| Hazard Codes | Xi |
| Safety Statements | 22-24/25 |
| RIDADR | 2811 |
| WGK Germany | 3 |
| F | 8 |
| TSCA | Yes |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| HS Code | 29215900 |
