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Diol of Tetrabromophthalic Anhydride B627MV   
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MOQ: 5.00MT
Other Name: 1-O-[2-(2-hydroxyethoxy)ethyl] 2-O-(2-hydroxypropyl) 3,4,5,6-tetrabromobenzene-1,2-dicarboxylate
Category: Antioxidants
Origin: Shandong, China




Diol of Tetrabromophthalic Anhydride B627MV Amber liquid
1-O-[2-(2-hydroxyethoxy)ethyl] 2-O-(2-hydroxypropyl) 3,4,5,6-tetrabromobenzene-1,2-dicarboxylate
C15H16O7Br4 627
598.5? ? 315.8?
General Product
Basic Description
Diol of tetrabromophathalic Anhydride is a reactive flame retardant, mainly for the hardness of the polyurethane foam flame retardant adhesives and coatings.It is excellent for class 1 and class 2 rigid polyurethane foam, its foam can be formulated for excellent physical properties or favorable economics. Other application areas include polyurethane RIM, elastomers, coatings, adhesives and fibers.
Main Property
Acid value (mgKOH/g): 1.0 max
Hydroxyl number(mgKOH/g): 190-265
Viscosity cps at 25 ℃: 30,000-70,000
Bromine content (%): 42.5min
Mainly for the hardness of the polyurethane foam flame retardant adhesives and coatings.
Package & Storage
Package: 200L zinc iron drums. 300kg/drum Or 1,500kg/IBC; storage: Store in dry, dark and ventilated place.
Detail Description

B-627 flame retardant is a stable, reactive bromine-containing diester/ether diol of tetrabromophthalic anhydride. The nominal structure of B-627 flame retardant is a mixed ester of tetrabromophthalic anhydride with diethylene glycol and propylene glycol.

B-627 is a reactive diol for rigid polyurethane foam, Urethane elastomers and coatings with high bromine content, scorch resistant and good performance.

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