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Chemical Name: 4.4’-Bis(α.α-dimethylbenzyl)diphenylamine
CAS NO. 10081-67-1  
intro:

Chemical name: 4.4'-Bis(α.α-dimethylbenzyl)diphenylamine (equivalent to NAUGARD 445)
Chemical structure:

Molecular formula:
C30H31N
Molecular weight: 405.58
CAS number: 10081-67-1
Properties:
•  Appearance: white to gray powder
•  Molecular weight: 405.58
•  Density: 1.14
•  Dissolving properties: insoluble in water

Solvent

benzene

toluene

acetone

hexane

hexahydrobenzene

heptane

methanol

g/100ml solvent

935.2

32.8

40.8

0.68

3.5

0.74

0.66

•  Thermal decomposition temperature: 280 ℃
•  Antioxidant with high molecular weight and low volatilization.

Application:
405 is an antioxidant without pollution and toxicity. It is widely used in plastics and rubber, such as master batches for polyethylene, PP and PVC. 405 is an antioxidant for PU foam, rubber wire and cable, food packing materials and adhesive, especially when used in neoprene colorful cable shield it has remarkable resistance of heat, light, and ageing. 405 can serve as lightproof ageing inhibitor and antioxidant for polyether and its foamed plastics, which has been tested by Shanghai Gaoqiao Chemical Co., Ltd. to have reached the quality standard of imported antioxidant NAUGARD445.

Specially recommended for:
Inhibit ageing of natural rubber, neoprene, styrene-butadiene rubber, isoprene rubber and Acrylonitrile-butadiene rubber caused by heat, light, ozone and etc. It has good synergic effect with sulfuric antioxidant. Cable materials of chemical and radiation linked polyethylene and PVC.

Toxicity test:
•  Oral LD 50 in rat is 1000mg/Kg
•  No irritation for skin contact (rabbit)
•  No irritation for eye contact (rabbit)

Packing and Storage information:
•  Appearance: white to gray powder
•  Melting point: 98-102 ℃
•  Package: net weight 25Kg; carton drum with plastic lining

Storage: stored in a dry, ventilated warehouse; avoid exposure to moisture and fire.  

 

 
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