FR-720

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FR-720

Chemical Name:
Tetrabromobisphenol-A, bis (2,3-dibromopropyl ether)
Formula:

C21H20Br8O2

CAS Number:
21850-44-2
Bromine content (%):
67.6
Molecular Weight:
943.2

General & Use:

FR-720 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 allows good physical properties of the resin to be maintained

Typical Properties:

Property

Appearance
white to pale yellow powder

Bromine Content, (Wt.%)
68

Specific Gravity
2.3

Melting Range, (°C)
113-117

Color APHA (5%, in toluene)
10

Volatiles, (Wt.%)
0.2

Thermogravimetric Analysis, (10°C/min, air)

Weight Loss (%)

°C 

 1 291
 5 306
 10 316

Solubility

Water Non Soluble 
Methanol  Non Soluble
Acetone Soluble
Tuluene  Soluble
Methylene Chloride Soluble

Please note that the values indicated do not constitute specification limits. To obtain current specifications, refer to your local Sales Office/Representative or ICL-IP Head Office at address herein.

 

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