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Home » Products » Flame Retardants » Halogenated Flame Retardant » EcoFlame B-943 (Tetrabromobisphenol A Bis (Dibromopropyl Ether))

EcoFlame B-943 (Tetrabromobisphenol A Bis(Dibromopropyl Ether))

1. Chemical Name: Tetrabromobisphenol A Bis(Dibromopropyl Ether)
2. Product Code: EcoFlame B-943
3. CAS No.: 21850-44-2
4. Equivalent Product: PE-68
5. Molecular Formula: C21H20Br8O2
6. Molecular Weight: 943.6
7. Chemical Structure:

EcoFlame B-943, whose systematic name is 1,1'-(2,2-propanediyl) bis[3,5-dibromo-4-(2,3-dibromopropoxy) benzene], is also called as tetrabromobisphenol A bis(dibromopropyl ether) or tetrabromobisphenol A bis(2,3-dibromopropyl ether). It is a commonly used chemical additive for plastics.

Our product is widely used to offer good flame retardancy to resin, rubber, fiber, PP (homopolymer and copolymer), high impact polystyrene (HIPS), high molecular material, etc. In addition, this additive flame retardant has been proven to be the best one for PP plastics.

Technical Data
Item Limit Test result
Appearance White grain/powder White powder
Bromine content (%) 67.00 Min. 67.02
Whiteness 92.0 Min. 92.7
Melting point (°C) 100 Min. 103~109
Weight loss (%) 0.50 Max. 0.08
Carbonizing temperature (°C) 240 Min. 250
Insoluble substance in propane (%) 0.06 Max. 0.04
Volatile (%) 0.3 Max. 0.12
Free bromine (%) 0.005 Max. -
Particle size (mesh) 80 Max. 60

EcoFlame B-943 is packed in 25kg paper bags, and 40bags are placed on one pallet or in Jumbo bag. The shipping weight is 20MT/20'FCL.

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