Triphenylphosphine-3,3′,3′′-trisulfonic acid trisodium salt
ALDRICH/744034 - ≥95.0%
Synonym: 3,3′,3″-Phosphinidynetris(benzenesulfonic acid) trisodium salt; Tris(3-
CAS Number: 63995-70-0
Empirical Formula (Hill Notation): C18H12Na3O9PS3
Molecular Weight: 568.42
EC Number: 264-596-6
MDL Number: MFCD00145472
Linear Formula: P(C6H4SO3Na)3
Product Type: Chemical
| assay | ≥95.0% |
| composition | sulfur, 16.07-17.76% |
| form | powder |
| impurities | ≤10% water |
| InChI | 1S/C18H15O9PS3.3Na/c19-29 |
| InChI key | MYAJTCUQMQREFZ-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| SMILES string | [Na+].[Na+].[Na+].[O-]S(= |
| Application: | Triphenylphosphine-3,3′,3 |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H315 - H319 - H335 |
| Precautionary statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥95.0% |
| UNSPSC | 12352107 |


