Pentabromodiphenyl ethers
Agent Name
Pentabromodiphenyl ethers
CAS Number
32534-81-9
Formula
C12-H5-Br5-O
Major Category
Other Classes
Synonyms
DE 71; Bromkal G 1; Pentabromodiphenyl ether; Pentabromodiphenyl oxide; Pentabromophenoxybenzene; Planelon PB 501; Saytex 125; Benzene, 1,1'-oxybis-, pentabromo deriv.; Diphenyl ether, pentabromo derivative; [ChemIDplus]
Category
Halogenated Polyaromatics
Description
Technical product: Amber liquid; [ICSC] White solid; Technical product is amber liquid or semi-solid; [HSDB] Amber solid; [CAMEO] Clear viscous amber liquid; [MSDSonline]
Sources/Uses
Used as additive flame retardant; [HSDB]
Comments
Moderately irritating to skin; [Hawley] May cause liver injury; Can be absorbed through skin; The technical product is a mixture of tetra-, penta-, and hexabromodiphenyl ethers; [ICSC] A mild skin and moderate eye irritant, based on animal studies; [CHEMINFO] See "Decabromodiphenyl ether."
Restricted
Use is severely restricted in the EU; [eChemPortal: ESIS]
Biomedical References
Exposure Assessment
Lethal Concentration
LC50 (rat) > 50,000mg/m3/4h
Explanatory Notes
Technical product: VP = 0.0075 mm Hg at 21 deg C; [ICSC] VP = 2.2E-7 to 5.5E-7 mm Hg at 25 deg C; [HSDB]
Adverse Effects
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.