101-02-0
Triphenyl phosphite
CAS: 101-02-0
Molecular Formula: C18H15O3P
101-02-0 - Names and Identifiers
| Name | Triphenyl phosphite |
| Synonyms | EFED jp360 adkstabtpp advancetpp Advance TPP Doverphos 10 Lankromark LE65 Doverphos 10-HR Triphenyl phospite Triphenyl phosphite Triphenyl Phosphite (TPPi) Triphenylphosphite white yellow xtl |
| CAS | 101-02-0 |
| EINECS | 202-908-4 |
| InChI | InChI=1/C18H15O3P/c1-4-10-16(11-5-1)19-22(20-17-12-6-2-7-13-17)21-18-14-8-3-9-15-18/h1-15H |
| InChIKey | HVLLSGMXQDNUAL-UHFFFAOYSA-N |
101-02-0 - Physico-chemical Properties
| Molecular Formula | C18H15O3P |
| Molar Mass | 310.28 |
| Density | 1.184 g/mL at 25 °C (lit.) |
| Melting Point | 22-24 °C (lit.) |
| Boling Point | 360 °C (lit.) |
| Flash Point | 425°F |
| Water Solubility | insoluble |
| Solubility | methanol: 25mg/mL, clear |
| Vapor Presure | 5 mm Hg ( 205 °C) |
| Vapor Density | 10.7 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to pale yellow |
| BRN | 1079456 |
| PH | 1 (200g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Sensitive | Air & Moisture Sensitive |
| Refractive Index | n20/D 1.59(lit.) |
| Physical and Chemical Properties | When it is lower than room temperature, it is a colorless to light yellow monoclinic crystal. Above room temperature, it is colorless light yellow transparent oily liquid with pungent odor. |
| Use | Used as a stabilizer of synthetic rubber and resin, antioxidant of polyvinyl chloride plastic and raw material of alkyd resin and pesticide intermediate |
101-02-0 - Risk and Safety
| Risk Codes | R36/38 - Irritating to eyes and skin. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S28A - S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | TH1575000 |
| TSCA | Yes |
| HS Code | 29209085 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 oral in rat: 444mg/kg |
101-02-0 - Upstream Downstream Industry
| Raw Materials | Phenol Phosphorus trichloride |
101-02-0 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| auxiliary antioxidant | triphenyl phosphite referred to as TPP, also known as triphenoxyphosphine, is a phosphite compound, is an auxiliary antioxidant, light stable effect, suitable for polyvinyl chloride, polypropylene, polystyrene, polyester, ABS resin, epoxy resin, etc., can make its products maintain transparency, and inhibit color change; Can also be used as fiber film plasticizer, has excellent transparency and water resistance; Used in engineering plastics, phenolic resin, and halogen flame retardant, can play a role of flame retardant and antioxidant, and both light stability; it is also an important intermediate for the preparation of trialkyl phosphite. triphenyl phosphite is widely used as a chelating agent for polyvinyl chloride. When metal soap is used as the main stabilizer, the compound can reduce the harm of metal chloride, maintain the transparency of the product and inhibit the color change. In addition, triphenyl phosphite is also used as a flame retardant plasticizer. diisooctyl phosphite can be obtained from triphenyl phosphite and isooctyl alcohol by transesterification in the presence of catalyst. Diisooctyl phosphite can be used as auxiliary antioxidant. Has good anti-discoloration effect, can increase the oxidation resistance and light stability. In polyvinyl chloride with chelating agent, low toxicity, can be used for plastic medical devices. In addition, this product can be transesterified with methanol in the presence of sodium methoxide to prepare trimethyl phosphite. octyl diphenyl phosphite can be obtained from triphenyl phosphite by reaction with octanol in sodium methoxide solution. |
| preparation | a green and energy-saving preparation method of triphenyl phosphite, the preparation method comprises the following steps: (1) the molten phenol is added into the enamel kettle to maintain medium-speed stirring, the pressure is controlled at -0.01 vacuum, and the phosphorus trichloride solution is added dropwise at a constant rate to keep the phenol in the molten state, and the temperature is maintained at 25~45 ℃ during the dropwise addition, the dropwise addition time is controlled to be 4H, and after the dropwise addition is completed, the temperature is raised to 130 ℃ and the vacuum degree is slowly increased to the limit vacuum of the water jet pump, and the reaction is continued for 5h at this temperature, in this process, the enamel kettle is maintained at a medium speed, wherein the ratio of the amount of phenol to the amount of phosphorus trichloride is 3.5:1; (2) step (1) HCl produced in the reaction process is removed from the condenser and enters the buffer tank, and then absorbed into hydrochloric acid through the falling film absorber; (3) after the reaction is finished, the vacuum is broken and the temperature is reduced to room temperature, transferring the materials in the enamel kettle to the distillation kettle for distillation separation under reduced pressure; (4) the degree of vacuum in the still was first increased to the limit vacuum of the roots vacuum, while the temperature was slowly increased to a maximum temperature not exceeding 220 °c. In the process of temperature rising, the distillation separation is carried out, the pre-fraction is phenol, which is distilled out first, condensed to room temperature by the condenser, and then collected to the phenol receiving tank, after the phenol is no longer distilled out, the fraction in the collection is crude triphenyl phosphite, which is condensed to room temperature by a condenser and then collected in a receiving tank for pre-distillate triphenyl phosphite, and the Post fraction is triphenyl phosphite, which is collected after the crude triphenyl phosphite is distilled out for 1H, after being condensed to room temperature by a condenser, it is collected into a post-distillate triphenyl phosphite receiving tank; (5) the purified triphenyl phosphite collected by distillation in step (4) is condensed and collected in a container to obtain finished triphenyl phosphite. |
| Use | as a chelating agent, used as stabilizer of synthetic rubber and resin, PVC plastic antioxidant and alkyd resin and pesticide intermediate raw materials auxiliary antioxidant, with light stability effect, suitable for polyvinyl chloride, polypropylene, polystyrene, polyester, ABS resin, epoxy resin, etc. In polyvinyl chloride products as a chelating agent, can make the product to maintain transparency, and can inhibit color change. It can also be used in the production of trimethyl phosphite. Antioxidant and stabilizer TPPi is mainly used as an antioxidant stabilizer for polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyester, ABS resin, epoxy resin, synthetic rubber, etc., and is used as a chelating agent in polyvinyl chloride products, when the metal as the main stabilizer, with this product can reduce the harm of metal chloride chelating agent. Anti-aging agent for plastic products. Synthesis of alkyd resin and polyester resin raw materials. chelating agent. Anti-aging agent for plastic products. Raw materials for the synthesis of alkyd resins and polyester resins. chelating agent, widely used in a variety of PVC products, can make the product to maintain its transparency and can inhibit the change of color, while it can increase the main stabilizer of the antioxidant and light, thermal stability. In addition, this product is also used in PE, PP, ABS, SBS and other products, and can be used as pesticide intermediates. Raw materials for the synthesis of alkyd resins and polyester and polyester resins. |
| production method | is obtained from the reaction of phenol and phosphorus trichloride. Raw material consumption (kg/t) phenol (freezing point ≥ 40.4 ℃) 940 phosphorus trichloride (99%) 480 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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