Potassium 3-(phenylsulfonyl)benzenesulfonate(KSS)


Formula C12H9KO5S2
MW      336.43
CAS# 63316-43-8
Equivalent to: Arichem KSS-FR

Chemical Structure:

flame retardant kss 63316-43-8 chemical structure baoxu chemical


KSS is an eco-friendly halogen-free flame retardant for PC and PC alloys, low additive amount, no impact on base material performance,  good heat stability, no corrosion to mold. The recommended dosage is 0.2%-0.5% of resin weight.

Typical Properties

Iron Content 5PPM max
PH value 6.5-6.9

These properties are typical but do not constitute a specification either in part or as a whole. Specification data is available on request from sales, customer service or customer technical service.


Transportation classification: No regulation for transportation.

Packing: 25kg/bag; 1mt/pallet; 20mt/20’FCL.


TDS / MSDS Download

flame retardant kss fr 63316-43-8 tds baoxu chemical

flame retardant kss fr 63316-43-8 msds baoxu chemical

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