diphenyl p-tolyl phosphate
Cresyl Diphenyl Phosphate
CAS: 26444-49-5
Molecular Formula: C19H17O4P
diphenyl p-tolyl phosphate - Names and Identifiers
| Name | Cresyl Diphenyl Phosphate |
| Synonyms | KronitexCDP PhosflexCDP Phosflex CDP Zinc02041271 Kronitex CDP DisflamollDPK Disflamoll DPK Cresyl phenyl phosphate Cresol diphenyl phosphate Cresyl Diphenyl Phosphate diphenyl p-tolyl phosphate o-tolyl diphenyl phosphate m-tolyl diphenyl phosphate 2-methylphenyl diphenyl phosphate 2-Methylphenyl diphenyl phosphate Diphenyl tolyl ester phosphoric acid Phosphoric acid cresyl diphenyl ester cresyldiphenylphosphate(cdpmixedisomers) Diphenyl tolyl phosphate, isomer mixture Diphenyltolylphosphate - Mixture of o-,m-,p-tolyl isomers Cresyl Diphenyl Phosphate (so called) (mixture of analogue) |
| CAS | 26444-49-5 |
| EINECS | 247-693-8 |
| InChI | InChI=1/3C19H17O4P/c1-16-10-8-9-15-19(16)23-24(20,21-17-11-4-2-5-12-17)22-18-13-6-3-7-14-18;1-16-9-8-14-19(15-16)23-24(20,21-17-10-4-2-5-11-17)22-18-12-6-3-7-13-18;1-16-12-14-19(15-13-16)23-24(20,21-17-8-4-2-5-9-17)22-18-10-6-3-7-11-18/h3*2-15H,1H3 |
| InChIKey | OJUZRFGUKHQNJX-UHFFFAOYSA-N |
diphenyl p-tolyl phosphate - Physico-chemical Properties
| Molecular Formula | C19H17O4P |
| Molar Mass | 340.31 |
| Density | 1.20 |
| Melting Point | -38°C |
| Boling Point | 235-255°C |
| Flash Point | 232°C |
| Appearance | Liquid |
| Specific Gravity | 1.21 |
| Color | Pale yellow |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5630 |
| Physical and Chemical Properties | Melting Point:-38 Boiling Point: 235 - 255 density: 1.2 flash point: 232 Appearance: colorless transparent liquid
|
| Use | Suitable for polyvinyl chloride, Vinyl Chloride Copolymer, Polyvinyl Acetal, nitrocellulose, ethyl cellulose, cellulose acetate butyrate, etc |
diphenyl p-tolyl phosphate - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S57 - Use appropriate container to avoid environmental contamination. S36 - Wear suitable protective clothing. S23 - Do not breathe vapour. |
| UN IDs | 3082 |
| WGK Germany | 2 |
| RTECS | TC5520000 |
| TSCA | Yes |
| HS Code | 29199000 |
| Hazard Class | 6.1 |
| Packing Group | III |
diphenyl p-tolyl phosphate - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | toluene diphenyl phosphate is an added flame retardant plasticizer with excellent compatibility, oil resistance, electrical insulation, good hydrolysis stability, low volatility, high plasticizing efficiency, good low temperature characteristics and wear resistance of products, mainly suitable for PVC and VC copolymers, polyvinyl acetal, cellulose nitrate, cellulose acetate, butyl acetate cellulose, natural and synthetic rubber and other flame retardants, plasticizers, gasoline and lubricating oil additives. |
| preparation | 430kg of m-p-cresol and 710kg of molten phenol are pumped into the reaction kettle at a time, and a quantitative calcium magnesium catalyst is added. When the material temperature (stirring can be held in a meeting) is less than 50 ℃ (stirring is stopped), 570kg of phosphorus oxychloride is pumped into it; Start the normal pressure acid drainage system, start stirring, slowly feed steam into the jacket, and start heating and increasing the temperature, after about 1.5 hours, the liquid temperature rises to about 70°C, and then depends on the reaction in the kettle, at a speed of about 4-5°C per hour, the temperature rises to 95°C, and the balance is 1 hour, and then rises to 4-5°C/hour When 125°C, and then raised to about 140°C at 5-7°C/hour, the negative pressure acid drainage system is started, and when the temperature is raised to about 160°C in about 1.5 hours, negative pressure is about 720mmHg or more to discharge acid for 2 hours; Acid discharge is completed; Sampling and measuring acid value, adding appropriate amount of alkali (NaCO3 or NaOH) to neutralize according to the results, the temperature is 155±5 ℃, the negative pressure is greater than 680mmHg, and after exhausting for about 2 hours, when the measured acid value is less than 4mgKOH/g, esterification is completed to form crude ester. the crude ester is pumped into the distillation pot, and the temperature is raised and negative pressure distillation is separated. Collect low boiling matter, medium fraction and finished product respectively. In the collection of finished products, attention should be paid to the flow rate, color, acid value, liquid temperature and vacuum degree. After distillation, filter the finished product into the storage tank, pass the sampling analysis, filter, package and store. |
| use | this product is a flame retardant plasticizer with good compatibility with resin. it is used for polyvinyl acetal, cellulose nitrate, polyvinyl chloride, natural rubber and synthetic rubber, etc. It can also be used for synthetic lubricating oil and hydraulic oil. It is a substitute for triphenyl phosphate. Suitable for polyvinyl chloride, vinyl chloride copolymer, polyvinyl acetal, cellulose nitrate, ethyl cellulose, cellulose acetate butyrate, etc. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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