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CAS 78-31-9

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Diphenyl p-tolyl phosphate

Description:
Diphenyl p-tolyl phosphate, with the CAS number 78-31-9, is an organophosphate compound characterized by its phosphate ester structure. It typically appears as a colorless to pale yellow liquid with a faint aromatic odor. This compound is known for its use as a flame retardant and plasticizer in various applications, including polymers and coatings. Diphenyl p-tolyl phosphate exhibits moderate solubility in organic solvents but is generally insoluble in water, which influences its behavior in environmental contexts. It has a relatively low volatility, making it stable under standard conditions. The compound is also recognized for its potential toxicity, particularly in relation to its effects on the nervous system, as it can inhibit acetylcholinesterase activity. Safety measures are recommended when handling this substance, as it may pose health risks through inhalation, skin contact, or ingestion. Overall, diphenyl p-tolyl phosphate is significant in industrial applications, but its environmental and health impacts necessitate careful management.
Formula:C19H17O4P
InChI:InChI=1S/C19H17O4P/c1-16-12-14-19(15-13-16)23-24(20,21-17-8-4-2-5-9-17)22-18-10-6-3-7-11-18/h2-15H,1H3
InChI key:InChIKey=OJUZRFGUKHQNJX-UHFFFAOYSA-N
SMILES:P(OC1=CC=C(C)C=C1)(OC2=CC=CC=C2)(OC3=CC=CC=C3)=O
Synonyms:
  • Phenyl p-tolyl phosphate ((PhO)2(C7H7O)PO)
  • Diphenyl p-tolyl phosphate
  • Phosphoric acid, diphenyl p-tolyl ester
  • Phosphoric acid, 4-methylphenyl diphenyl ester
  • Diphenyl 4-tolyl phosphate
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