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CAS 25327-89-3

Ecochem FR 401 Cas 25327-89-3

FR 401, corresponding to CAS number 25327-89-3, is a brominated flame retardant known as 2,2-Bis(4-allyloxy-3,5-dibromophenyl)propane or Tetrabromobisphenol A diallyl ether. It is primarily used to enhance the flame resistance of various materials, including expandable polystyrene (EPS), unsaturated polyester resins, adhesives, coatings, and textiles.

Key Features:

  • Appearance: White crystalline powder.
  • Melting Point: Above 115 °C.
  • Molecular Weight: 624 g/mol.
Products Categories
Light Stabilizers (HALS)
UV Absorbers
Antioxidants
Inhibitor
Other Additives
Solvent Dyes for Plastics
Chemical Intermediate
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roducts name Ecochem FR 401
Chemical name Tetrabromoether; Tetrabromobisphenol A Diallyl Ether
CAS NO. 25327-89-3
Structural formula 14CAS 25327-89-3
Appearance White crystal powder
Melting point ＞115℃
Molecular weight 624
Application EPS
UPR
Adhesive
Coating and Textile
It is an important intermediate for the preparation of flame retardants such as 2,2’-Bis[4-(2,3-dibromopropoxy)-3,5-dibromophenyl]propane.

Alternate Names:

Tetrabromobisphenol A Allyl Ether; 1,1′-Isopropylidenebis[4-(allyloxy)-3,5-dibromobenzene]; BE 51; FG 3200; Fire Guard 3200; Flame Cut 122K; Pyroguard SR 319; SR 319; TBBPA-DE; Tetrabromobisphenol A bis(allyl ether); Tetrabromobisphenol A diallyl ether

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