Benzyltriphenylphosphonium chloride
ALDRICH/B32807 - 99%
Synonym: BTPPC; NSC 116712; Triphenyl(phenylmethyl)
CAS Number: 1100-88-5
Empirical Formula (Hill Notation): C25H22ClP
Molecular Weight: 388.87
EC Number: 214-154-3
MDL Number: MFCD00011913
Linear Formula: C6H5CH2P(Cl)(C6H5)3
Product Type: Chemical
| assay | 99% |
| form | powder |
| InChI | 1S/C25H22P.ClH/c1-5-13-22 |
| InChI key | USFRYJRPHFMVBZ-UHFFFAOYSA |
| mp | ≥300 °C (lit.) |
| Quality Level | 200 ![]() |
| reaction suitability | reaction type: C-C Bond Formation |
| SMILES string | [Cl-].C(c1ccccc1)[P+](c2c |
| Application: | Benzyltriphenylphosphoniu • Platinum chloro-tetrazole complexes via azidation. • Trans-stilbenes and cinnamates via Wittig olefination. • Achiral N-hydroxyformamide inhibitors of ADAM-TS4 and ADAM-TS5 for osteoarthritis treatment. • Pentiptycenes for use as light-driven molecular brakes. • Archipelago structures for formation of petroleum asphaltenes. It is also used as a crosslinking agent for tube-like natural halloysite / fluorelastomer nanocomposites. |
| Application: | Crosslinking agent for tube-like natural halloysite / fluorelastomer nanocomposites Reactant for synthesis of: • Platinum chloro tetrazole complexes via azidation • Trans-stilbenes and cinnamates via Wittig olefination • Achiral N-hydroxyformamide inhibitors of ADAM-TS4 and ADAM-TS5 for osteoarthritis treatment • Pentiptycenes for use as light-driven molecular brakes Reactant for formation of archipelago structures for formation of petroleum asphaltenes |
| Packaging: | 25, 100 g in poly bottle |
| Symbol | ![]() ![]() ![]() GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H300 + H330 - H318 - H335 - H372 - H410 |
| Precautionary statements | P260 - P273 - P280 - P304 + P340 + P310 - P305 + P351 + P338 - P314 |
| Hazard Codes | T |
| Risk Statements | 25 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 2811 6.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 572.0 °F - closed cup |
| Flash Point(C) | 300 °C - closed cup |
| Purity | 99% |
| mp | ≥300 °C (lit.) |
| UNSPSC | 12352107 |





