膦酸二苯酯
Diphenyl phosphite
CAS: 4712-55-4
Molecular Formula: C12H11O3P
膦酸二苯酯 - Names and Identifiers
| Name | Diphenyl phosphite |
| Synonyms | DIPHENYL PHOSPHITE Diphenyl phosphite Phosphonic acid diphenyl |
| CAS | 4712-55-4 |
| EINECS | 225-202-8 |
| InChIKey | OGBPILLJZSJJRC-UHFFFAOYSA-N |
膦酸二苯酯 - Physico-chemical Properties
| Molecular Formula | C12H11O3P |
| Molar Mass | 234.19 |
| Density | 1.223 g/mL at 25 °C (lit.) |
| Melting Point | 12 °C (lit.) |
| Boling Point | 218-219 °C/26 mmHg (lit.) |
| Flash Point | 350 °F |
| Vapor Presure | 5 mm Hg ( 140 °C) |
| Vapor Density | 8.1 (vs air) |
| Appearance | Form Liquid, color Clear |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | n20/D 1.558(lit.) |
| Physical and Chemical Properties | EPA Chemical Information Diphenyl phosphite (4712-55-4) |
| Use | Applications diphenyl phosphite can be used as a coupling reagent (PhO). PhO H is a mild coupling reagent for the synthesis of esters and amides. |
膦酸二苯酯 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| UN IDs | 1760 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 21 |
| HS Code | 29209090 |
| Hazard Class | 8 |
| Packing Group | III |
膦酸二苯酯 - Upstream Downstream Industry
| Downstream Products | DIPHENYL METHYLPHOSPHONATE DIPHENYL PHOSPHORAMIDATE PHENYL PHOSPHORODICHLORIDITE [[(1R)-2-(6-aMino-9H-purin-9-yl)-1-Methylethoxy]Methyl]-, Monophenylester |
膦酸二苯酯 - Introduction
Diphenyl phosphite(Diphenyl phosphite) is an organic phosphate compound with the chemical formula C12H11O3P. The following is a description of its nature, use, preparation and safety information:
Nature:
- Diphenyl phosphite is a colorless or yellowish liquid with the aroma of phenol.
-Its density is 1.102 g/mL, its melting point is -40 ℃, and its boiling point is 360 ℃.
- Diphenyl phosphite is stable at room temperature, but can be oxidized by oxygen in the air.
-It is soluble in organic solvents such as alcohols, ethers and aromatic hydrocarbons, and insoluble in water.
Use:
- Diphenyl phosphite is mainly used as an antioxidant and stabilizer for polymers. It is commonly used in the production of polymeric esters, polycarbonates and polypropylenes to improve the thermal stability and weather resistance of materials.
-In addition, it can also be used as a lubricant, plasticizer, coating additive and light stabilizer.
Preparation Method:
-The preparation of Diphenyl phosphite can be obtained by esterification of phenol and trimethyl phosphate:
(C6H5OH)2 (CH3O)3PO → (C6H5O)2P(O)H 3CH3OH
Safety Information:
- Diphenyl phosphite are toxic and may be harmful to humans and the environment.
-use should pay attention to protective measures, such as wearing protective glasses, protective gloves and masks.
-Avoid direct contact with skin, eyes and respiratory tract, and maintain good ventilation.
-Keep away from ignition and oxidizing agents during storage and handling.
-In the case of unreasonable use or storage, it may cause fire or explosion. In the case of accidental spills, proper cleaning methods should be taken.
Nature:
- Diphenyl phosphite is a colorless or yellowish liquid with the aroma of phenol.
-Its density is 1.102 g/mL, its melting point is -40 ℃, and its boiling point is 360 ℃.
- Diphenyl phosphite is stable at room temperature, but can be oxidized by oxygen in the air.
-It is soluble in organic solvents such as alcohols, ethers and aromatic hydrocarbons, and insoluble in water.
Use:
- Diphenyl phosphite is mainly used as an antioxidant and stabilizer for polymers. It is commonly used in the production of polymeric esters, polycarbonates and polypropylenes to improve the thermal stability and weather resistance of materials.
-In addition, it can also be used as a lubricant, plasticizer, coating additive and light stabilizer.
Preparation Method:
-The preparation of Diphenyl phosphite can be obtained by esterification of phenol and trimethyl phosphate:
(C6H5OH)2 (CH3O)3PO → (C6H5O)2P(O)H 3CH3OH
Safety Information:
- Diphenyl phosphite are toxic and may be harmful to humans and the environment.
-use should pay attention to protective measures, such as wearing protective glasses, protective gloves and masks.
-Avoid direct contact with skin, eyes and respiratory tract, and maintain good ventilation.
-Keep away from ignition and oxidizing agents during storage and handling.
-In the case of unreasonable use or storage, it may cause fire or explosion. In the case of accidental spills, proper cleaning methods should be taken.
Last Update：2024-04-10 22:29:15
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View History
膦酸二苯酯
SILVER SULFIDE
噻唑-2-基甲胺盐酸盐
(RS)-2-(4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)phenoxy)propionic acid
1-(氨基甲基)-3-丙基环丁烷-1-羧酸甲酯
野菊花内酯对照品
1-苄基-3-氨基吡咯烷-3-甲酸甲酯
4-四氢吡喃甲酰胺
Stannane, bis(2-ethylhexanoyloxy)dibutyl-
SILVER SULFIDE
噻唑-2-基甲胺盐酸盐
(RS)-2-(4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)phenoxy)propionic acid
1-(氨基甲基)-3-丙基环丁烷-1-羧酸甲酯
野菊花内酯对照品
1-苄基-3-氨基吡咯烷-3-甲酸甲酯
4-四氢吡喃甲酰胺
Stannane, bis(2-ethylhexanoyloxy)dibutyl-
Downstream Products for 膦酸二苯酯
DIPHENYL METHYLPHOSPHONATE
DIPHENYL PHOSPHORAMIDATE
PHENYL PHOSPHORODICHLORIDITE
[[(1R)-2-(6-aMino-9H-purin-9-yl)-1-Methylethoxy]Methyl]-, Monophenylester
DIPHENYL PHOSPHORAMIDATE
PHENYL PHOSPHORODICHLORIDITE
[[(1R)-2-(6-aMino-9H-purin-9-yl)-1-Methylethoxy]Methyl]-, Monophenylester