1. SP is soluble in ethanol, acetone, benzene, and hydrocarbon solvents.
2. SP is a non polluting anti-aging type used in natural and synthetic rubber products. It does not precipitate and has good dispersibility. Suitable for white and light colored products. Mainly to prevent thermal oxidation, bending, cracking, and aging. Dosage: 0.5-3%.
3. Used as an antioxidant for polyolefins and polyoxymethylene, with a polyolefin content of 0.01-0.5%.
4. SP can also be used as a stabilizer for synthetic rubbers such as butadiene styrene, isoprene, and ethylene propylene, with a dosage of 0.01-0.5%.
5. Used as an intermediate in chemical synthesis.