Chemical Fact Sheet

Chemical Abstract Number (CAS #) 78308
CASRN 78-30-8
Phosphoric acid, tri-o-tolyl ester
Tritolyl phosphate
Analytical Method EPA Method 8141
Molecular FormulaC21H21O4P

Link to the National Library of Medicine's Hazardous Substances
Database for more details on this compound.

Use PLASTICIZER IN LACQUERS & VARNISHES FLAME RETARDENT AND PLASTICIZER, IN HOT EXTRUSION MOLDING, BULK FORMING OF PLASTICIZED POLYVINYL CHLORIDE, IN COATINGS AND ADHESIVES, AS A GASOLINE ADDITIVE TO CONTROL PRE-IGNITION, IN HYDROLIC FLUIDS, AS A HEAT EXCHANGE MEDIUM, AS A WATER PROOFING AGENT, AS A COMPONENT OF ADHESIVES FOR AIR FILTER MEDIA, IN A SOLVENT MIXTURE FOR VARIOUS RESINS, AS AN EXTRACTION SOLVENT, AND AS AN INTERMEDIATE IN THE SYNTHESIS OF PHARMACEUTICALS. As additive to extreme pressure lubricants; as a non-flammable fluid in hydraulic systems; as plasticizer in lacquers and varnishes; as plasticizer in vinyl plastics manufacture; as flame retardant; as lead scavenger in gasoline; and as solvent for nitrocellulose, in cellulosic molding compositions. Aryl phosphates such as tricresyl phosphate or cresyl diphenyl phosphates when added in small percentages to the gasoline, combat misfires. Aryl phosphates
Odor Practically odorless
Boiling Point 410 DEG C
Melting Point 11 DEG C
Molecular Weight 368.37
Density 1.1955 @ 20 DEG C/4 DEG C
Sensitivity Data Irritating to the skin and eyes. Vapors may irritate eyes, but only at high temperatures. Tricresyl phosphate

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