Tetrabromophthalic anhydride diol

Product serial number

Category

Brominated flame retardant

Details

chemical name:Tetrabromophthalic anhydride diol

Brand name:RK-628

Similar product name:PHT-4 Diol

CAS Number: 77098-07-8

EU CAS Number: 20566-35-2

Molecular formula:C15H16O7Br4

Molecular Weight: 627.8

Product usage:

RK-628 is a reaction mainly used for flame retardant rigid foam Type I flame retardant intermediate, the appearance is slightly faded viscous liquid, mainly used as a reactive flame retardant for the production of I and II grade polyurethane rigid foam (PUR). The foam material containing RK-628 has very low smoke generation and flame spread speed. The foam material processed by RK-628 can obtain excellent physical properties and low cost. It can also be used to produce flame retardant polyurethane gaskets. body materials, coating adhesives and textiles.

Specifications:

items	Metrics	Test results
Appearance	Amber liquid	Amber liquid
Bromo content %	45 min	45.58
Acid value mgKOH/g	1.0 max	0.25
Hydroxy number mgKOH/g	130-235	221
Viscosity cps at 25 ℃	30,000-80,000	35,500
Moisture%	0.1 max	0.06