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PTSC stands for para toluene sulfonylchloride also named tosylchloride or abbreviated TsCl. It serves as intermediate in pharmaceutics and in various chemical synthesis.

PTSA stands for para toluene sulfonamide. It serves as intermediate in pharmaceuticals and in various chemical processes.

Ketjenflex® 2 is a toluene sulfonamide based reactive plasticizer used in Melamine molding compounds and a brightener in metal plating formulas. Ketjenflex® 2 is a basic starting material in the preparation of melamine formaldehyde molding compounds. Reacted into the resin backbone KETJENFLEX® 2 imparts long term impact resistance and toughness. Ketjenflex® 2 can also be used in other thermoset resins like epoxy and polyurethane based polymers resins.