10392. Tris(tribromophenoxy)triazine

Nomenclature

CAS number: 25713-60-4
2,4,6-Tris(2,4,6-tribromophenoxy)-1,3,5-triazine; tris(tribromophenyl)cyanurate; TTA; FR-245.
C21H6Br9N3O3; mol wt 1067.43.
C 23.63%, H 0.57%, Br 67.37%, N 3.94%, O 4.50%.

Description and references

Brominated flame retardant for polystyrene plastics used in electronics. Prepn: J.-P. Zimmermann, FR 1566675 (1968 to Soc. d'Etudes Chim. Indust. Agric.). Manufacturing process: H. Klinkenberg et al., US 4039538 (1977 to Dynamit Nobel). Crystal structure: F. Li et al., Acta Crystallogr. E62, o3303 (2006) DOI. Flame retardancy and compatibility with poly(butylene terephthalate) composites: J. Chen et al., J. Appl. Polym. Sci. 102, 1291 (2006) DOI. Thermal properties: B. A. Howell, J. Therm. Anal. Calorim. 89, 373 (2007) DOI.

Chemical structure

Properties

Crystals from boiling methyl cellosolve, mp 229-231°. Dec 398°. d 2.44. Soly at 25° (g/100g): toluene 28; methyl ethyl ketone 4; methyl acetate 3; carbon tetrachloride 17; methanol 0.2. Insol in water.

Use

Additive flame retardant for styrenic copolymers.