Phosphoric Acid Tri-o-cresyl Ester
Structural formula
| Business number | 01MV |
|---|---|
| Molecular formula | C21H21O4P |
| Molecular weight | 368.36 |
| label |
Tricresyl phosphate, Tricresol phosphate, tricresyl phosphate, Tri-o-toluyl phosphate, o-Cresyl phosphate, o-Trikesylphosphate, o-Trioyl phosphate, main plasticizer, Organophosphorus pesticides |
Numbering system
CAS number:78-30-8
MDL number:MFCD00041906
EINECS number:201-103-5
RTECS number:TD0350000
BRN number:None
PubChem ID:None
Physical property data
1. Character:Colorless or light yellow transparent oily liquid
2. Density (g/mL,25/4℃):1.183
3. Relative vapor density (g/mL,AIR=1): Unsure
4. Melting point (ºC): Unsure
5. Boiling point (ºC,Normal pressure):410℃
6. Boiling point (ºC,5.2kPa): Unsure
7. Refractive index: Uncertain
8. Flash point (ºC): Unsure
9. Specific optical rotation (º): Unsure
10. Autoignition point or ignition temperature (ºC): Unsure
11. Vapor pressure (kPa,25ºC): Unsure
<P style="TEXT-ALIGN: left; TEXT-INDENT: -18pNumber of stereocenters for certain chemical bonds: 0
15. Number of covalent bond units: 1
Properties and stability
None yet
Storage method
This product should be sealed and stored in a cool, dark place. Prevent collisions during storage and transportation, handle with care, and never turn upside down. Store and transport according to regulations on toxic and dangerous goods.
Synthesis method
(1)Synthesis of o-tricresyl phosphite Add o-cresol to the reaction kettle and raise the temperature to40℃, add phosphorus trichloride dropwise while stirring. After the phosphorus trichloride is added dropwise, in40℃Continue to react for half an hour, and the reaction will produce ascii Tricresyl phosphate. (2)Synthesis of o-tricresyl phosphoryl chloride Continue to raise the temperature of the above reaction system to70℃, introduce chlorine gas to carry out chlorine oxidation reaction, and generate phosphorus oxychloride o-tricresyl ester. (3)Synthesis of o-tricresyl phosphate Cool the temperature of the above reaction system to50℃left and right, add water dropwise for hydrolysis reaction. After the reaction is completed, use 5% Neutralize with aqueous soda ash solution, wash with water, and let stand for separation After removing the water layer, concentrate and distill under reduced pressure to obtain the finished product of o-tricresyl phosphate.
Purpose
Used as main plasticizer, products It has good flame retardancy, mildew resistance, wear resistance, low volatility and good electrical properties. It is mainly used in PVC cables, artificial leather, conveyor belts, sheets, flooring materials, etc. It can also be used in neoprene rubber. It can also be used as a plasticizer and preservative in viscose fibers. This product is toxic to the central nervous system and cannot be used in food and pharmaceutical packaging materials, pacifiers, children’s toys, etc.
��, concentrate and distill under reduced pressure to obtain the finished product of o-tricresyl phosphate.
Purpose
Used as main plasticizer, products It has good flame retardancy, mildew resistance, wear resistance, low volatility and good electrical properties. It is mainly used in PVC cables, artificial leather, conveyor belts, sheets, flooring materials, etc. It can also be used in neoprene rubber. It can also be used as a plasticizer and preservative in viscose fibers. This product is toxic to the central nervous system and cannot be used in food and pharmaceutical packaging materials, pacifiers, children’s toys, etc.
