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           Organic Fluorides<<Bisphenol AF (BPAF)

 

Bisphenol AF (BPAF)

Common names: Hexafluorobisphenol A; Bisphenol AF 4,4'-(hexafluoroisopropylidene)diphenol; 2,2- bis (4 hidroxyphenyl)hexafluoropropane

Appearance:white to light-gray coarse powder.

Applications: Bisphenol AF is used to cure or cross-link fluorocarbon elastomers, often in conjunction with an accelerator such as triphenyl benzylphosphonium chloride (BTPPC). When used as a curing agent, Bisphenol AF produces fluoroelastomers with convenient processing and excellent properties in the final elastomer, including compression set, chemical resistance and thermal stability. Bisphenol AF is also useful as a monomer in the synthesis of specialty polyimides, polyamides, polyesters, polycarbonates and other polymers. Polymers containing Bisphenol AF are useful in high-temperature composites, in electronic materials, in gas permeable membranes, and in other specialty polymer applications.

Specifications: (wt%)

Purity

99.5% min

Phenol Content

0.1% max

Water content (KF)

0.1% max

Melting point

159 to 162 C

Color (APHA)

150 max

 

Physical Properties :

Chemical Name

4,4'-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bisphenol

CAS No

1478-61-1

 

Chemical Formula

Molecular Weight

336

Boiling Point C(F)

400 (752)

Melting Point C(F)

163 (325)

Vapor Pressure (mmHg)

0.1 max

Solubility in Water at 100C (212F)

2 wt% max

Odor

None

% Volatiles

0 wt %

OSHA PEL

None

ACGIH TLV

None

 

 

 

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