Diphenylamine
SIAL/242586 - ACS reagent, ≥99%
Synonym: DPA
CAS Number: 122-39-4
Empirical Formula (Hill Notation): C12H11N
Molecular Weight: 169.22
EC Number: 204-539-4
MDL Number: MFCD00003014
Linear Formula: (C6H5)2NH
Product Type: Chemical
| anion traces | nitrate (NO3-): passes test |
| assay | ≥99% |
| autoignition temp. | 1175 °F |
| bp | 302 °C (lit.) |
| grade | ACS reagent |
| ign. residue | ≤0.03% |
| InChI | 1S/C12H11N/c1-3-7-11(8-4- |
| InChI key | DMBHHRLKUKUOEG-UHFFFAOYSA |
| mp | 50-53 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | N(c1ccccc1)c2ccccc2 |
| solubility | alcohol: passes test |
| suitability | passes test for sensitivity to nitrate |
| vapor density | 5.82 (vs air) |
| vapor pressure | 1 mmHg ( 108 °C) |
| Application: | Diphenylamine can undergo palladium-catalyzed intramolecular cyclization to form carbazole. It may also be used as a starting material in the synthesis of triphenylamine. |
| Application: | Diphenylamine may be used in the preparation of diphenylamine reagent, which is employed for the quantitative estimation of nucleic acid (DNA) from various biological sources by colorimetric method. |
| Packaging: | 5, 100, 500 g in glass bottle |
| Symbol | ![]() ![]() GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H301 + H311 + H331 - H373 - H410 |
| Precautionary statements | P273 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P314 |
| Hazard Codes | T,N |
| Risk Statements | 23/24/25-33-50/53 |
| Safety Statements | 28-36/37-45-60-61 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 3 |
| Purity | ≥99% |
| bp | 302 °C (lit.) |
| mp | 50-53 °C (lit.) |
| UNSPSC | 12352100 |




