9087. TDCPP

Nomenclature

CAS number: 13674-87-8
1,3-Dichloro-2-propanol phosphate (3:1); phosphoric acid tris(1,3-dichloro-2-propyl)ester; tris(1,3-dichloroisopropyl)phosphate; tris[2-chloro-1-(chloromethyl)ethyl]phosphate; Fyrol FR-2 (Supresta).
C9H15Cl6O4P; mol wt 430.90.
C 25.09%, H 3.51%, Cl 49.37%, O 14.85%, P 7.19%.

Description and references

Flame retardant formerly used in children's sleepwear; once considered as a potential replacement for Tris-BP, q.v. Prepn: W. J. Jones et al., J. Chem. Soc. 1946, 824. Use in flameproofing: R. J. Polacek, US 3041293 (1962 to Celanese). Thermal studies: K. Paciorek et al., Am. Ind. Hyg. Assoc. J. 39, 633 (1978); N. Inagaki et al., J. Appl. Polym. Sci. 21, 217 (1977); 24, 1 (1979). Mutagenicity studies: M. D. Gold et al., Science 200, 785 (1978); A. Nakamura et al., Mutat. Res. 66, 373 (1979); D. Brusick et al., J. Environ. Pathol. Toxicol. 3, 207 (1979). Toxicity study: J. K. Piotrowski et al., Bromatol. Chem. Toksykol. 9, 141 (1976), C.A. 85, 104825u (1976).

Chemical structure

Properties

Viscous liquid, bp5 236-237°. nD20 1.5022. Soly in water ≈100 ppm. LD50 orally in rats: 1.85 g/kg (Piotrowski).

Use

Flame retardant.