N,N-Diphenyl Diphenylamine
N,N'-Diphenylbenzidine
CAS: 531-91-9
Molecular Formula: C24H20N2
N,N-Diphenyl Diphenylamine - Names and Identifiers
| Name | N,N'-Diphenylbenzidine |
| Synonyms | N'-Diphenylbenzidine Benzidine, N,N'-diph N,N-Diphenylbenzidine N,N'-Diphenylbenzidine N,N'-DIPHENYLBENZIDINE N,N'-Diphenylbenzidine DPB N,N-Diphenyl Diphenylamine N,N'-DIPHENYL BIPHENYLAMINE N,N-diphenylbenzidine (sym.) N,N'-diphenylbiphenyl-4,4'-diamine 4-(4-anilinophenyl)-N-phenylaniline N,N'-Diphenyl-1,1'-biphenyl-4,4'-diamine N,N'-(1,1'-Biphenyl-4,4'-diyl)bisaniline N,N'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine |
| CAS | 531-91-9 |
| EINECS | 208-521-7 |
| InChI | InChI=1/C24H20N2/c1-3-7-21(8-4-1)25-23-15-11-19(12-16-23)20-13-17-24(18-14-20)26-22-9-5-2-6-10-22/h1-18,25-26H |
| InChIKey | FDRNXKXKFNHNCA-UHFFFAOYSA-N |
N,N-Diphenyl Diphenylamine - Physico-chemical Properties
| Molecular Formula | C24H20N2 |
| Molar Mass | 336.43 |
| Density | 1.1750 (rough estimate) |
| Melting Point | 246-248°C(lit.) |
| Boling Point | 462.9°C (rough estimate) |
| Flash Point | >110°C |
| Water Solubility | Insoluble in water. |
| Solubility | Acetone (Slightly), DMF (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly, So |
| Vapor Presure | 1.6E-11mmHg at 25°C |
| Vapor Density | 11.6 (vs air) |
| Appearance | Solid |
| Color | Gray to brownish |
| Merck | 14,3319 |
| BRN | 2220993 |
| pKa | 1.31±0.40(Predicted) |
| Storage Condition | Store below +30°C. |
| Sensitive | Light Sensitive |
| Refractive Index | 1.7620 (estimate) |
| MDL | MFCD00003016 |
| Use | Used as a reagent for testing vanadium, zinc, and nitrite, and a redox indicator. Suitable for redox titration, such as dichromate or cerium sulfate. |
N,N-Diphenyl Diphenylamine - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29215900 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
N,N-Diphenyl Diphenylamine - Introduction
Fusible in boiling toluene and ethyl acetate, slightly soluble in ethanol, benzene and acetone, insoluble in water.
Last Update：2022-10-16 17:25:57
N,N-Diphenyl Diphenylamine - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as a redox indicator; used for verification and determination of nitrite and nitrate; used for verification of zinc Used as a reagent for testing vanadium, zinc, nitrite, redox indicator. Suitable for redox titration, such as dichromate or cerium sulfate. |
Last Update：2024-04-10 22:29:15
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