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

• EcoFlame B-959 (Decabromodiphenyl Oxide)
• EcoFlame B-971 (1,2-Bis(Pentabromophenyl) Ethane)
• EcoFlame B-641 (Hexabromocyclododecane)
• EcoFlame B-943 (Tetrabromobisphenol A Bis (Dibromopropyl Ether))
• EcoFlame B-951 (1,2-Bis(Tetrabromophthalimido) Ethane)
• EcoFlame B-901 (Brominated Polystyrene)
• EcoFlame B-245 (Tris(Tribromophenyl) Cyanurate)
• EcoFlame B-463 (Tetrabromophthalic Anhydride)
• EcoFlame S-338 (Potassium Perfluorobutanesulfonate)
• EcoFlame B-972
• EcoFlame B-1025 (Poly Pentabromobenzyl Acrylate)
• EcoFlame B-627 (Tetrabromophthalic Anhydride Based Diol)
• EcoFlame B-1067
• EcoFlame B-967
• EcoFlame B-701
• EcoFlame B-624

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

Identification
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:

Introduction
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.

Applications
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

Packing
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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  2. EcoFlame APP204 (Ammonium Polyphosphate)
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  2. EcoFlame NP-1000
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  2. EcoFlame NP-2000
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  2. EcoFlame NP-3000