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Technical Datasheet | Supplied by ICL Industrial
FR-720 by ICL Industrial is an additive flame retardant containing both aromatic and aliphatic bromine. FR-720 is suitable for polyolefin and styrenic resins and it is especially recommended for UL-94 class V-2. It is also applicable in class V-0 polypropylene. FR- 720 is cost efficient and maintains good physical properties of the compound.
Product Type
Flame Retardants / Smoke Suppressants > Brominated Compounds
Chemical Composition
TetrabromobisphenolA,Bis(2,3-dibromopropyl ether)
CAS Number
Physical Form
White to pale yellow
Product Status
Applications/ Recommended for
  • PP
  • PS (Polystyrene)

FR-720 Properties


Value & Unit
Test Condition
Test Method
Bromine Content
68 %
Specific Gravity
Melting range
113 - 117 °C

SpecialChem additionnal informations based on CAS Number : 21850-44-2

Hansen Solubility Parameters

[19.6, 6.9, 9.4]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with FR-720. A practical determination of these HSP values would provide higher certainty. Learn More.

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