Chemicals

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

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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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