CAS No.:101-02-0
Molecular Formula: C18H15O3P
Molecular Weight:310.28
Appearance: Colorless Liquid
Synonyms: Phosphorous acid triphenyl ester; Phosphorous acid, triphenyl ester
Triphenyl Phosphite CAS 101-02-0
Triphenyl Phosphite (CAS 101-02-0, abbreviated as TPPi) is a commonly used organic phosphorus auxiliary antioxidant, heat stabilizer and chelating agent, and is widely applied in the fields of high-molecular materials such as plastics, rubber and coatings.
Triphenyl Phosphite Typical Properties
| Items | Specifications |
| Assay | 99%min |
| Chroma (platinum-cobalt) | ≤60 |
| Refractive index | 1.585-1.590 |
| Density | 1.183-1.192 |
| Solidification value | 19-24 |
| Acid value | ≤0.50 |
| PHENOL | 2000ppm max |
Triphenyl Phosphite Usage
1. Triphenyl Phosphite is used as an auxiliary antioxidant and can stabilizelight. It is suitable for polyvinyl chloride, polypropylene, polystyrene, polyester, ABS resin, epoxy resin, etc.
2. Used as a chelating agent in polyvinyl chloride productstokeep the product transparent and inhibit the color change
3. Used for the production of trimethyl phosphite.
4. Triphenyl Phosphite can reduce the damage of metal chloridewith metal as the main stabilizer.
Triphenyl Phosphite Packaging and Shipping
Packing: 200 kg/drum. Stored in a cool dry place away from sunlight













