Other Name: O/P-Toluene Sulfonamide Formaldehyde Resin In Butyl Acetate; MS80; Toluenesulfonamide Formaldehyde Resin CAS No: 25035-71-6 Molecular Formula: (C7H10NO2S)n Product Usage: As intensifier and plasticizer used in polyamide, epoxy resin, phenol-formaldehyde resin, printing inks, coatings etc. Check-Point Unit Specifications Appearance - Pale Yellow Lucency Stiff Liquid Assay % 78~82 Butyl Acetate Content % 18-22 Acid Value mgKOH/g max 0.6 Colority (In 25% Butylacetate Solution) APHA max 40 Turbidity(In 25% Butylacetate Solution) max 20 Free Formaldehyde % max 0.2 Viscosity (25°C) m Pa.s 7000-20000 Ash % max 0.2