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Name	Tris	EINECS	204-799-9
CAS No.	126-72-7	Density	2.321g/cm³
PSA	54.57000	LogP	5.61950
Solubility	8mg/L(24 oC)	Melting Point	5.5°C
Formula	C9H15 Br6 O4 P	Boiling Point	544.2°Cat760mmHg
Molecular Weight	697.613	Flash Point	282.9°C
Transport Information	N/A	Appearance	N/A
Safety	Confirmed carcinogen with experimental carcinogenic, neoplastigenic, tumorigenic, and teratogenic data. Poison by intraperitoneal route. Moderately toxic by ingestion. Experimental reproductive effects. Human mutation data reported. An eye and severe skin irritant. Can cause testicular atrophy and sterility. Once used as a flame retardant additive to synthetic textiles and plastics, particularly in children’s sleepwear. Use discontinued because it can be absorbed by human skin, or chewed or sucked off sleepwear by infants. May be flammable when exposed to heat or flame. When heated to decomposition it emits very toxic fumes of Br⁻ and PO_x.	Risk Codes	45-22-38-51/53
Molecular Structure		Hazard Symbols
Synonyms	1-Propanol,2,3-dibromo-, phosphate (3:1) (6CI,8CI,9CI);Phosphoric acid,tris(2,3-dibromopropyl) ester (6CI);Anfram 3PB;Apex 462-5;Bromkal P67-6HP;ES 685;FireMaster LV-T 23P;FireMaster T 23;FireMaster T 23P;FlammexAP;Flammex LV-T 23P;Flammex T 23P;Fyrol HB 32;NSC 3240;Phoscon FR 150;Phoscon PE 60;Phoscon UF-S;T 23P;TDBPP;Tris;Tris (flame retardant);Tris(2,3-dibromopropyl) phosphate;Zetofex ZN;

Tris Chemical Properties

IUPAC Name: Tris(2,3-dibromopropyl) phosphate (126-72-7)
Synonyms: 1-Propanol, 2,3-dibromo-, phosphate ; 1-Propanol, 2,3-dibromo-, phosphate (3:1) ; 1-Propanol,2,3-dibromo-,phosphate(3:1) ; 2,3-Dibromo-1-propanolphosphate(3:1) ; 2,3-Dibromo-1-propanophosphate(3:1) ; 3Pbr ; Anfram 3PB ; Anfram3pb
CAS: 126-72-7
Molecular Formula:C₉H₁₅Br₆O₄P
Molecular Weight: 697.61
Molecular Structure:
EINECS: 204-799-9
Product Categories: Alpha Sort;BromoVolatiles/ Semivolatiles;Chemical Class;Halogenated;TP - TZ;T-ZAlphabetic
Mol File: 126-72-7.mol
Merck: 13,9821
Surface Tension: 57.1 dyne/cm
Density: 2.321 g/cm3
Flash Point: 282.9 °C
Melting point: -3°C-8°C
Enthalpy of Vaporization: 79.19 kJ/mol
Boiling Point: 544.2 °C at 760 mmHg
Vapour Pressure: 2.38E-11 mmHg at 25°C
Appearance: Tris (126-72-7) is clear colorless to pale yellow viscous liquid
Solubility: Insoluble in water, hydrocarbons, soluble in alcohols, ketones, aromatics, halogenated hydrocarbons.

Tris Uses

Tris (126-72-7) is used as a synthetic fiber, plastic, flame retardant additives.

Tris Toxicity Data With Reference

1.	skn-rbt 500 mg/24H SEV	28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,206.
2.	eye-rbt 500 mg/24H MLD	28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,206.
3.	mma-esc 100 µg/plate	ENMUDM Environmental Mutagenesis. 7 (Suppl 5)(1985),1.
4.	dnd-hmn:oth 2 mg/L	MUREAV Mutation Research. 56 (1977),89.
5.	orl-rat TDLo:250 mg/kg (female 6-15D post):TER	FCTXAV Food and Cosmetics Toxicology. 19 (1981),67.
6.	orl-rat TDLo:1330 mg/kg/76W-C:CAR	NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-76 ,1978.
7.	orl-mus TDLo:39 g/kg/92W-C:CAR	NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-76 ,1978.
8.	orl-rat TD:3600 mg/kg/103W-C:NEO	NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-76 ,1978.
9.	orl-rat TD:1820 mg/kg/2Y-C:ETA	FCTXAV

Tris Consensus Reports

NTP 10th Report on Carcinogens. IARC Cancer Review: Group 2A IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 341.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 20 ,1979,p. 575.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 20 ,1979,p. 575.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . NCI Carcinogenesis Bioassay (feed); Clear Evidence: mouse, rat NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-76 ,1978. . Community Right-To-Know List. Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Tris Safety Profile

Hazard Codes T,N
Risk Statements 45-22-38-51/53
22: Tris (126-72-7) is harmful if swallowed
38: Irritating to the skin
45: May cause cancer
45: May cause cancer
Safety Statements 53-26-37-61
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37: Wear suitable gloves
53: Avoid exposure - obtain special instruction before use
61: Avoid release to the environment. Refer to special instructions safety data sheet
RIDADR UN 3082 9/PG 3
RTECS UB0350000

Tris Specification

Air & Water Reactions :Insoluble in water.
Reactivity Profile: Tris(2,3-dibromopropyl)phosphate is stable at temperatures up to 392-482°F. Major decomposition begins at 586°F. Is hydrolyzed by acids and bases .
Fire Hazard :Tris(2,3-dibromopropyl)phosphate is combustible.

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