Ultranox 626 CAS NO.26741-53-7

Ultranox 626
Chemical name: Bis(2.4-di-t-butylphenyl) Pentaerythritol Diphosphite
CAS: 26741-53-7?
Assay: 95% min.
Appearance: White powder
Volatile matter; 1.0% max
Acid value (mgKOH/g) : 1.0% max
Free 2.4-di-tert-butyl-phenol: 1.0% max.
Melting point: 170-180℃.

?Properties:
? This product soluble in organic solvents like toluene, dichloromethane, and slightly soluble in alcohols, but insoluble in water. Flash point: 168℃, kindling point: 421℃, lower limit concentration of dust explosion: 0.12Kg/m3.

Applications：
? The product is a kind of high-effective solid phosphite ester antioxidant, which is superior to other phosphite ester in the effective protection of polymers’ color. It is often blended with phenolic principal antioxidant to prepare composite antioxidant which improves the thermo-stability of polymer processing, thus making it widely applied in PE, PP, PS, PA, PC, ABS and many other polymer materials.

Founded in 2005, Hubei Rison Chemical Co. Ltd, is specializing in the development, production and marketing of speciality chemicals.
We have our own chemical factory, which is mainly engaged in production of electroplating intermediates, organic fluorides and other fine chemicals.
We are also distributing products of other cooperating factories; our agent products include the field of shellac, tin salt series, chromic salt series, phytic acid series, raw materials for electroplating industry, and other fine chemicals. Our products are widely applied in metal surface treatment, pharmaceuticals, cosmetics, plastic industry, lithium battery and other fields.
With years’ effort, the company has obtained a group of stable customers at home and abroad, and our worldwide market has covered Europe, America, Middle East and Southeast Asia etc.. We’ve met with great favor among domestic and overseas customers on the basis of high quality products, sincere service and favorable credit.
Our business is expanding in the way of recommendation of satisfied customers as well as getting a lot of new clients, who got to know our abilities and who are appreciating the safety and honorable service of an Europe – China connected concept.
Reputation – High quality – Best service
Founded in 2005, Hubei Rison Chemical Co. Ltd, is specializing in the development, production and marketing of speciality chemicals.
We have our own chemical factory, which is mainly engaged in production of electroplating intermediates, organic fluorides and other fine chemicals.
We are also distributing products of other cooperating factories; our agent products include the field of shellac, tin salt series, chromic salt series, phytic acid series, raw materials for electroplating industry, and other fine chemicals. Our products are widely applied in metal surface treatment, pharmaceuticals, cosmetics, plastic industry, lithium battery and other fields.
With years’ effort, the company has obtained a group of stable customers at home and abroad, and our worldwide market has covered Europe, America, Middle East and Southeast Asia etc.. We’ve met with great favor among domestic and overseas customers on the basis of high quality products, sincere service and favorable credit.
Our business is expanding in the way of recommendation of satisfied customers as well as getting a lot of new clients, who got to know our abilities and who are appreciating the safety and honorable service of an Europe – China connected concept.
Reputation – High quality – Best service