This product is white crystal powder. Its molecular weight is 646 while melting point is 182-186℃. It can be dissolved in gasoline, benzene and toluene. The specific gravity is 1.03 (at 20℃ ). This product is an secondary antioxidant, used together with main antioxidant (such as 1010 and 1076) as processing stabilizer in polyethylene，polypropylene, polystyrene and polyamide. It can obviously improve polymer's property of processing stability. It will be more effective to use this product together with thioester antioxidants in which long-term stability is strictly required. This product hardly can be colored and does not make pollution with good performance of volatilization resistance. The general using rate is 0.05-0.5%.

Chemical Name: Tris-（2,4-di-tert-butyl-pheny）-phosphite

Structural Formula:

Chemical Formula: C42H63O3P
Molecular Weight: 646.94
CAS No： 31570-04-4
Product Standard: HG/T 3712-2003

Physical Properties ：

Packages:
This product is packed in 20 or 25 kg compound paper bags, then in 500 kg or 1,000 kg big bags. We can also pack according to our customers' requests.

Storage:
This product is a kind of organic acid, is forbidden being put together with alkaline materials and other chemicals, kept from wet and heat.