Brief introduction of Tetrabromophthalate diol CAS 77098-07-8
Chemical name: Tetrabromophthalate diol CAS 77098-07-8
CAS No.：77098-07-8
Synonyms: PHT 4 Diol
Molecular Formula: C15H20Br4O9
Molecuar Weight: 663.93
EINECS: -
Application of Tetrabromophthalate diol CAS 77098-07-8
B-627 flame retardant is a stable, reactive bromine-containing diester/ether diol of tetrabromophthalic anhydride. The nominal structure of B-627 flame retardant is a mixed ester of tetrabromophthalic anhydride with diethylene glycol and propylene glycol. B-627 is a reactive diol for rigid polyurethane foam, Urethane elastomer and coatings with highbromine content, scorch resistant and good performance.
Specification of Tetrabromophthalate diol CAS 77098-07-8
Item |
B-627 HV |
B-627-MV |
B-627 LV |
|||
Specification |
Analysis Result |
Specification |
Analysis Result |
Specification |
Analysis Result |
|
Appearance |
Amber liquid |
Amber liquid |
Amber liquid |
Amber liquid |
Amber liquid |
Amber liquid |
Bromine content (%) |
44.0 min |
46.3 |
42.5min |
43.0 |
42.0min |
42.8 |
Acid value (mgKOH/g) |
1.00max |
0.86 |
1.00 max |
0.42 |
1.00max |
0.25 |
Hydroxyl (mgKOH/g) |
150-235 |
208 |
190-265 |
245 |
200-275 |
260 |
Viscosity cps (25 ℃) |
70,000-120,000 |
100,000 |
30,000-70,000 |
35,000 |
15,000-30,000 |
20000 |
Moisture (%) |
0.20max |
0.07 |
0.20max |
0.07 max |
0.20max |
0.10 |
Packing of Tetrabromophthalate diol CAS 77098-07-8
250Kg iron barrel, 4 barrels /pallet, total 20mt per 20’FCL.
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