Chemical name: Polymerized 2,2.4-trimethyl-1.2-dihydroquinoline Molecular formula: (C12H15N)n Molecular weight: (173.26)n Properties: it is low-molecular polymer. Pure compound is an amber to brown flake, soluble in many organic solvents such as benzene, acetone and etc., slightly soluble in petroleum hydrocarbons, insoluble in water. Softening point: 74°C min. Specifications: Appearance: amber to light brown flakes or Granular ; Softening point: 80~100°C Ash: 0.3% max Loss of weight after heating: 0.3% max Uses: an antioxidant for natural rubber and many kinds of synthetic rubber, especially for the prevention of thermal deterioration on NBR. These goods can be used in heated vessels and the torrid zone. Packing: packed in plastic woven bag, lined with plastic bag. Net weight: 25kg/bag or at buyer?s request.