Antioxidant 1010 chemical name is: four [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester, white crystalline powder, stable chemical properties, can be widely used in general plastics, engineering plastics, synthetic rubber, fiber, hot melt adhesive, resin, oil, ink, paint and other industries.

The relative density of antioxidant SP (d20 4) was 1.07~1.09. Boiling point> 250°C. Refractive index (n25 D)1.5985-1.6020. Flash point (open cup) 182 ℃. Soluble in toluene, ethanol, acetone, trichloroethane, insoluble in solvent gasoline; insoluble in water. Low toxicity. LD50 is 3550 mg/kg. The antioxidant is SP-C an off-white powder of SP adsorbed on a mineral filler.

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