Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8

Product name:Potassium 3-(phenylsulfonyl)benzenesulfonate
CAS:63316-43-8
MF:C12H11KO5S2
MW:338.43

EINECS: 264-097-3

Purity:≥99%

White crystalline powder

1. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 is primarily used as a high-efficiency, halogen-free flame retardant for polycarbonate (PC), achieving UL94 V-0 rating at low loadings of 0.2-0.5% .
2. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 serves as a flame retardant additive in transparent or translucent PC materials, often combined with silicone/PTFE synergists or oligomeric phosphate flame retardants .
3. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 is used as an anti-aging agent that reduces the viscosity of acrylonitrile and reduces strain on polymer fibers caused by temperature or deionized water .
4. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 is employed as a reagent in organic synthesis and as an electrolyte additive to enhance electrochemical reaction efficiency .

1. Store Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 at room temperature in a dry place .
2. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 should be stored in a cool, dry, well-ventilated area at a temperature not exceeding 37°C .
3. Keep Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 container tightly sealed and away from oxidizers, food chemicals, heat sources, and open flames .
4. Some suppliers recommend refrigerated storage at 2-8°C for Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 .

1. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 is harmful if swallowed (H302) .
2. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 causes skin irritation (H315) and serious eye irritation (H319) .
3. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 may cause respiratory irritation (H335) .
4. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 is classified with the GHS07 warning pictogram and the signal word Warning .

1. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 is not safe for ingestion and should be handled only by trained personnel .
2. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 requires protective equipment including gloves, protective clothing, and eye/face protection (P280) .
3. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 should be used only outdoors or in a well-ventilated area (P271), and dust formation should be avoided (P260) .
4. Potassium 3-(phenylsulfonyl)benzenesulfonate CAS 63316-43-8 must not be released into drains or the environment, and spills should be disposed of as hazardous waste in accordance with local regulations (P501) .

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