Triphenyl phosphite
ALDRICH/T84654 - 97%
Synonym: (PhO)3P; P(OPh)3; Triphenoxyphosphine
CAS Number: 101-02-0
Empirical Formula (Hill Notation): C18H15O3P
Molecular Weight: 310.28
MDL Number: MFCD00003032
Linear Formula: (C6H5O)3P
Product Type: Chemical
| assay | 97% |
| bp | 360 °C (lit.) |
| density | 1.184 g/mL at 25 °C (lit.) |
| InChI | 1S/C18H15O3P/c1-4-10-16(1 |
| InChI key | HVLLSGMXQDNUAL-UHFFFAOYSA |
| mp | 22-24 °C (lit.) |
| Quality Level | 200 ![]() |
| reaction suitability | reaction type: Buchwald-Hartwig Cross Coupling Reaction |
| reaction type: Heck Reaction | |
| reaction type: Hiyama Coupling | |
| reaction type: Negishi Coupling | |
| reaction type: Sonogashira Coupling | |
| reaction type: Stille Coupling | |
| reaction type: Suzuki-Miyaura Coupling | |
| reagent type: ligand reaction type: Alkylations |
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| reagent type: ligand reaction type: Cycloadditions |
|
| reagent type: ligand reaction type: Heck Reaction |
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| reagent type: ligand reaction type: Olefinations |
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| reagent type: ligand reaction type: Stille Coupling |
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| reagent type: ligand reaction type: Wittig Reaction |
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| refractive index | n |
| SMILES string | O(P(Oc1ccccc1)Oc2ccccc2)c |
| vapor density | 10.7 (vs air) |
| vapor pressure | 5 mmHg ( 205 °C) |
| Application: | Triphenyl phosphite can be used: • As a source of phosphorus and as a ligand for the synthesis of transition metal phosphide nanoparticles via heating-up process. • To convert alcohols to alkyl halides. • As a peptide coupling agent. • As a low-temperature source of singlet oxygen after forming an adduct with ozone. • To synthesize bromotriphenoxyphosphoniu |
| General description: | Triphenyl phosphite (TPP) is an organophosphorus compound that serves as a versatile reagent in the synthesis of phosphorus ligands. |
| Packaging: | 3 kg in glass bottle |
| Packaging: | 5, 500 g in glass bottle |
| Symbol | ![]() GHS07,GHS09 |
| Signal word | Warning |
| Hazard statements | H302 - H315 - H317 - H319 - H410 |
| Precautionary statements | P261 - P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi,N |
| Risk Statements | 36/38-50/53 |
| Safety Statements | 26-61 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | 410.0 °F |
| Flash Point(C) | 210 °C |
| Purity | 97% |
| bp | 360 °C (lit.) |
| mp | 22-24 °C (lit.) |
| Density | 1.184 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352108 |



