Agent Name

Tris(2,3-dibromopropyl) phosphate

CAS Number




Major Category

Other Classes


(2,3-Dibromopropyl) phosphate; 1-Propanol, 2,3-dibromo-, phosphate (3:1); 2,3-Dibromo-1-propanol phosphate; 2,3-Dibromo-1-propanol phosphate (3:1); 3PBR; APEX 462-5; Anfram 3PB; Bromkal P 67-6HP; ES685; FireMaster T 23; Firemaster LV-T 23P; Firemaster T23P; Firemaster T23P-LV; Flacavon R; Flamex T 23P; Flammex AP; Flammex LV-T 23P; Flammex T 23P; Fyrol HB32; Phoscon PE 60; Phoscon UF-S; Phosphoric acid, tris(2,3-dibromopropyl) ester; T 23P; TDBP [Czech]; TDBPP; TRIS; Tris (VAN); Tris (flame retardant); Tris(2,3-dibromo-1-propyl) phosphate; Tris(2,3-dibromopropyl) phosphoric acid ester; Tris(2,3-dibromopropyl)phosphate; Tris(dibromopropyl)phosphate; Tris-(2,3-dibrompropyl)fosfat [Czech]; Tris-2,3-dibrompropyl ester kyseliny fosforecne [Czech]; Tris-BP; Zetifex ZN; Zetofex ZN; [ChemIDplus]


Organophosphates, Other


Colorless liquid; mp = 5.5 deg C; [ICSC] Nearly colorless to pale yellow liquid; [HSDB]


Used as flame retardant (rigid foams, clear cast acrylic sheet, lacquers, styrene-butadiene rubber, latex rubber, cured unsaturated polyesters, and plastics); From 1972-1976, infants and children were exposed by skin absorption and ingestion to TRIS treated garments; [HSDB]


Probably carcinogenic to humans; [ICSC] Causes eye and severe skin irritation; Oral LD50 (rat) = 1010 mg/kg; Percutaneous LD50 (rabbit) >8000 mg/kg; [HSDB] An eye and strong skin irritant; May cause skin sensitization; May cause liver and kidney injury; Can be absorbed through skin; [CAMEO] Effects in acute, high-dose animal studies include kidney and liver damage; Has a low skin sensitization potential; [Reference #1] A skin irritant; [MSDSonline]


Banned for use in the US in 1977; [HSDB]

Reference Link

INCHEM: Tris- and bis(2,3-dibromopropyl) phosphate (EHC 173 - 1995)

Exposure Assessment
Vapor Pressure

0.00019 mm Hg

Adverse Effects

Hepatotoxin, Secondary

IARC Carcinogen

Probable Carcinogen

NTP Carcinogen

Anticipated Human Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information


Chemical Information

Search ChemIDplus

Related Information in HazMap

Industrial Processes with risk of exposure: