Dibromoneopentyl Glycol(DBNPG)--YIXING CITY ZHONGZHENG CHEMICAL CO., LTD.
宜兴市中正化工有限公司
Flame Retardants
Auxiliaries of Paints or varni
Dyestuff Intermediates
Surfactants
Adhesive series
Dibromoneopentyl Glycol(DBNPG)
Product Name: Dibromoneopentyl Glycol(DBNPG)
Synonyms: 2,2-bis(bromomethyl)-1,3-propanediol; FR-522;fr1138
CAS NO.: 1522-92-5 or 36483-57-5
Molecular formula: C5H10O2Br2
Structure formula :
Appearance: white crystalline powder
Assay(GC): 98.5%min
Bromine content: 60%
Melting point: 109.0Deg C min
Color(APHA): 20 APHA max.n.w.
Packing: 25Kgs vellum compound bag
Usage: A reactive flame retardant. contains60% aliphatic bramine. Its high purity(it is typically 98.5%pure), is of benefit to the formulator.
Thermosetting polyester resins can be formulated over a wide range of compositions to provide a broader selection of resin properties than those available with anhydride flame retardant. Resins formulated with it have high chemical and flame resistance minimal thermal discoloration and excellent light stability The high bromine content of it and its ready reaction into polyurethanes make it suitable for use in rigid polyurethane foams. It is increasingly used in CFC-free foam systems designed to meet more stringent standards of flame retardancy.
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