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Antioxidant DSTDP

China Antioxidant DSTDP supplier

Large Image :  Antioxidant DSTDP

Product Details:

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Detailed Product Description

Antioxidant LP-DSTDP

Chemical Name: Distearyl3,3-thiodipropionate

Name of Foreign Counterpart:Irganox PS802,DSTP

CAS NO: 693-36-7 Molecular Weight: M=682

Molecular Formula: C42H82O4S

Chemical Structure Formula:


Quality Standard:


Control Items Unit  
Appearance -- White Powder or semi-bead
Volatility WT% £0.5
Melting Point 63.5—68.5
Color Pt-Co,No £50
Acid Value mgKOH/g £0.1
Ash WT% £0.01
Assay WT% ³99.0














As a kind of excellent sulfur ester assistant antioxidant,it offers better effect than DLTDP, especially for PP and HDPE. Usually they are used with phenolic antioxidants so as to strengthen aging, light stabilities and improve the initial color and luster. In addition, it doesn't cause pollution and pigmentation.

Storage & Transportation:

Stable in property. No requirement but keep away from damp or heat.


Cardboard boxeswith plastic liners, net weight: 20Kg/box.


Contact Details

Contact Person: Mr. Virgil

Tel: 86-21-80181916

Fax: 86-21-51686808

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