Tetrabromophthalic anhydride diol
Chemical name: Tetrabromobenzoic diol
Brand Name: LYT-628
Similar product name: PHT-4 Diol
CAS Number: 20566-35-2/370071-69-5
Molecular formula: C15H16O7Br4
Molecular weight: 627.8
Chemical Structure:
Product use: LYT-628 is a reactive flame retardant intermediate mainly used for flame retardant rigid foam. The appearance is slightly faded and viscous liquid. It is mainly used as a reactive flame retardant for the production of grades I and II. Polyurethane rigid foam (PUR). The foam material containing LYT-628 has very low smoke generation and flame spread speed. The foam material processed with LYT-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.
Technical indicators:
|
project |
indicator |
test result |
|
Exterior |
amber liquid |
amber liquid |
|
Bromine content (%) |
45 min |
46.48 |
|
Acid value (mgKOH/g) |
1.0 max |
0.25 |
|
hydroxyl number |
130-235 |
225 |
|
Viscosity cps at 25 ℃ |
10,000-100,000 |
10000-100000 |
|
Moisture (%) |
0.1 max |
0.05 |
Packing: LYT-628 is packed in 200L galvanized iron drum, 250kg/drum, 20Mt/20’FCL.
IBC packaging, 1.5 tons per barrel, 13 barrels, 19.5Mt/20’FCL.
Keywords：Bromides,Oilfield Drilling Products,Dye Intermediates,Brominated Flame Retardant
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