Sulphur Black 2BR 200% CAS:1326-82-5 Colour Index No.: C.I.Sulphur Black 1(53185) Standard of identity: HG/T3427-2001 Appearance Flashing Black Flakes or Granules Strength (with the standard ) 100% Shade Approximate to the Standard Moisture, % ¡Ü 6.0 Insoluble matter in Sodium Sulfide, % ¡Ü 0.5 Packing: In 25 kgs or 30kgs net woven bag / carton / iron drum.