Chemical name：4.4’-双（α.α-二甲基苄基）二苯胺;
English Name：4,4’-bis（α,α’-dimethylbenzyl）diphenylamine ;
Similar products：naugard445 from Uniroyal (USA) and nocrac CD from Dani (Japan);
CAS NO：10081-67-1
Molecular formula：C30H31N
Molecular weight：405.58
Structural formula：
Quality index：
| Quality index | First class grade | Secondary grade |
| appearance | White to off white powder or fine particles | White to off white powder or fine particles |
| melting point℃ ≥ | 98.5 | 95 |
| Ash content% ≤ | 0.1 | 0.1 |
| Heating reduction% ≤ | 0.2 | 0.2 |
Specification：enterprise standard Q / prt004-2020
enterprise standard Q / prt004-2020：
This product is white to almost white powder or fine particles. Soluble in acetone, chloroform, benzene, cyclohexane and other organic solvents, slightly soluble in water, ethanol. It is a kind of high efficiency, non-toxic, tasteless rubber plastic general antioxidant (antioxidant).
Application:
It is used for anti-aging of natural rubber and synthetic rubber such as styrene butadiene, isoprene, chloroprene, butyl, etc. it is also used for anti-oxidation of polyethylene, polypropylene, PVC and other plastic masterbatch. It can be used as polyurethane foam plastics, as well as antioxidants for rubber wires, cables, food packaging materials and adhesives. Especially in the neoprene colored cable sheath, the antioxidant KY-405 has obvious protective effect on its heat resistance, light resistance and ozone aging resistance. In polyether and its foam plastics, they can be used as antioxidants for light and anti-aging. They can also be used as lubricating oil antioxidants.
Package:
Kraft paper bag lined with black plastic film bag (25kg) or packaged according to customer requirements;
Storage：
This product should be stored in a ventilated and dry warehouse, away from fire and heat sources, and avoid exposure to the sun and rain.