2,2-Bis(bromomethyl)propane-1,3-diol Cas:3296-90-0

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2,2-Bis(bromomethyl)propane-1,3-diol

Synonyms:
2,2-Bis(bromomethyl)propane-1,3-diol
Dibromoneopentyl glycol
Pentaerythritol dibromide
Dibromopentaerythritol
2,2-Bis(broMoMethyl)-1,3-propanediol
Pentaerythritol dibromohydrin

 
molecular formula: C5H10Br2O2
Molecular weight: 261.94000
 
Physical Properties:
Appearance and properties: white crystals
Density: 1.977 g/cm3
Boiling point: 370.9ºC at 760 mmHg
Melting point: 112-114 °C(lit.)
Flash point: 178.1ºC
Refractive index: 1.573

 
Specification:
Appearance: white crystalline powder
Purity (GC): ≥98.5%
Bromine content: 60%
Melting point:≥109.0℃
Color(APHA):≤20 APHA

 
Application:
A reactive flame retardant containing 60% aliphatic bromine. Applied to various thermosetting polyesters, it can provide a wider choice of ester properties than acid anhydride flame retardants. The resin formulated with it has high flame retardancy, minimal thermal discoloration and good light stability. Its high bromine content and easy integration with polyurethane make it particularly suitable for rigid polyurethane foams. It is also increasingly used in free-CFC foam systems to increase its flame resistance rating.
 
Package and Storage:
1kg/bottle or bag
25kgs/drum or bag
 
 



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