Chemical Name: Tetrabromophthalic Anhydride
Brand Name: EcoFlame B-463
Equivalent Grade: PHT-4
CAS NO.: 632-79-1
Chemical formula: C8Br4O3
Molecular Weight: 463.7
Chemical Structure:
Application:
Ecoflame B-463 is a high bromine content of acid-intoxicated flame retardant. As a reactive flame retardant, mainly used in polyurethane foam, unsaturated polyester resin, epoxy resin. In addition, Ecoflame B-463 derivatives can be used in the flame-retardant treatment of wire and cable, wool fabrics. As additive flame retardant, Ecoflame B-463 can be used in PP,PE,PS coatings, textiles, etc.
Technical Data sheet.
| Items | Specification | Analysis result |
| Appearance | White or light yellow power | White power |
| Bromine content (%) | 67.0min | 68.8 |
| Melting point (℃) | 270min | 274 |
| Sulfate root Content (%) | 0.30max | 0.12 |
| Volatile (℃) | 0.20max | 0.10 |
Packing:
EcoFlame B-463 was packed in 25Kg paper bag, 40 bags on pallet.