Commercial Name: Antioxidant DSTDP (DSTP)

Chemical Name: Distearyl thiodipropionate

Formula: S(CH₂CH₂COOC₁₈H₃₇)₂

CAS NO: 693-36-7

Molecolar  Weight: 683.18
Specifications:

       Appearance: white, crystalline powder or grain

       M.P: 63.5-68.5℃

       Ash:≤0.05%(wt)

       Acid value: ≤0.10mgKOH/g

       Molten colour: ≤0.50(pt-co)

       Saponificating value: 160-170 mgKOH/g

       Heating: ≤0.50%(wt)

Uses: DSTDP is a good auxiliary antioxidant and is widely used in polypropylene, polyethylene, polyvinyl chloride, ABS rubber and lubricating oil. It has high-melting and low-volatility. It can be used in combination with phenolic antioxidants and ultraviolet absorbers to produce synergistic effect.

Storage: DSTDP should be stored in a cool, dry and ventilated place and be kept away from moisture and heat.