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　　Antioxidant 311

　　Chemical Name1, 3, 5—Tri(3，5-di-tert-butyl-4-hydroxybenzyl)-s-triazine-2,4,6-(1H,3H,5H)trione Or Tri(3,5-di-tert-butyl-4-hydroxy-benzyl)isocyanurate

　　Molecular FormulaC48H69N3O3

　　Molecular weight784

　　Properties

　　This product is white powder, flash point: 289.4℃(open), relative density: 1.03, kindling point: 302℃.

　　Main Indexes

　　Melting point:℃≥212.0

　　Heating loss:%≤0.1

　　Toluene insoluble:%≤0.1

　　Ash content :%≤0.1

　　Transmittance(430mu benzene as the solvent):≥90.0

　　Fineness(100mesh):%≤2.0

　　The solubility in each following 100g solvent(25℃)is : acetone: 29.4; benzene: 9.97; ethanol: 1.58; methanol: 0.54; water: 0.002

　　Characteristics and Uses

　　Antioxidant 311 can prevent the polymer being heated and the polymer's aging because of the oxidation action. It also has light resistance and keep the product color for a long time. This product has stable property and good thermal character. It is colorless, tasteless, pollution free and has slight toxicity. It has stabilization to plastic rubber and rubber grease and so on compounds, it is especially suitable for polyolefin compounds, it can greatly lengthen the product's useful life.

　　Storing and Packing

　　1. Packing of products：20kg cardboard drum inner lining plastic bag, and fit with fractional package for customer probation.

　　2. Product toxicity & storage：white rat oral toxicity LD50 is 15, 000mg/kg. So its toxicity is slight, It can be used in the products that will contact food; when store, pay attention to prevent moisture.

　　Bohanchem offers plastic additives ( chemical additives) such as optical brightener ( optical brightening agent, fluorescent whitening agent) , UV absorber ( UV absorbent) , light stabilizer ( light stabilizing agent, UV stabilizer, UV stabilizing agent) , antioxidant, pigment.