Tricresyl phosphate
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Description
Colorless or pale yellow, oily liquid. Tricresyl phosphate is used as a solvent and plasticizer in polyvinyl chloride, cellulose nitrate, mastic and some commercial lacquer formulations. It is also used industrially as a flame retardant, a lead scavenger in gasoline, and a waterproofing agent.
Synonyms and Related Terms
TCP; tritolyl phosphate; phosphoric acid tris-(methylphenyl)ester; tri-o-cresyl phosphate; o-cresyl phosphate; o-tolyl phosphate; TOCP
Other Properties
Miscible with organic solvents and oils. Insoluble in water.
| Composition | (CH3C6H4O)3PO |
|---|---|
| CAS | 78-30-8 |
| Melting Point | 11 |
| Density | 1.162 |
| Molecular Weight | mol. wt. =368.4 |
| Refractive Index | 1.556 |
| Boiling Point | 275-280 |
Hazards and Safety
Flame resistant but decomposes with heat to produce toxic fumes.
Toxic by ingestion, inhalation and skin absorption.
Flash point = 230C
LINK: International Chemical Safety Card
Sources Checked for Data in Record
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 135
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9892