Tris(2,3-dibromopropyl) phosphate

Names
Preferred IUPAC name

Tris(2,3-dibromopropyl) phosphate

Other names

Fyrol HB 32
Tris

Identifiers

CAS Number

* 126-72-7 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 29089

PubChem CID

* 31356

UNII |

* X7O89N7ZY0 Y

InChI

* InChI=1S/C9H15Br6O4P/c10-1-7(13)4-17-20(16,18-5-8(14)2-11)19-6-9(15)3-12/h7-9H,1-6H2

SMILES

* BrCC(Br)COP(=O)(OCC(Br)CBr)OCC(Br)CBr

Properties

Chemical formula

| C9H15Br6O4P
Molar mass | 697.613 g·mol−1
Appearance  | Viscous pale yellow liquid
Density | 2.24 g/cm3[1]

Solubility in water

| Insoluble[1]
Hazards
Main hazards | Carcinogenic, use restricted
Flash point | > 110 °C (230 °F)[1]

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Tris(2,3-dibromopropyl) phosphate ("tris") is a chemical once widely used as a flame retardant in plastics and textiles.

## Safety and regulation

Tris is mutagenic[2] and listed as an IARC Group 2A carcinogen.[3] It is one of the chemicals covered by the Rotterdam Convention. In the United States, the Consumer Product Safety Commission banned the sale of children's garments containing tris in 1977.[4] Arlene Blum was one of those involved in getting tris banned.

## See also

* Tris(1,3-dichloro-2-propyl)phosphate
* Tris(2-chloroethyl) phosphate

## References

1. ↑ 1.0 1.1 1.2 Record  in the GESTIS Substance Database of the Institute for Occupational Safety and Health
2. ↑ Prival, M.; McCoy, E.; Gutter, B; Rosendranz, H. (1977). "Tris(2,3-dibromopropyl) phosphate: Mutagenicity of a widely used flame retardant". Science 195 (4273): 76–78. doi:10.1126/science.318761. PMID 318761. Bibcode: 1977Sci...195...76P.
3. ↑ Agents Classified by the IARC Monographs
4. ↑ CPSC Bans TRIS-Treated Children's Garments , Consumer Product Safety Commission

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*[CID]: Compound ID