Antioxidants -

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Dalian Richfortune Chemicals Co.,Ltd.  

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  • Antioxidants
  • Antioxidants
  • Antioxidants
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4.Excellent quality
5.Good service

Product Details


Chemical Name : Tris-(2.4-di-t-butylphenyl)- phosphate
CAS No : 31570-04-4
Molecular formula : C42H63O3P
Molecular Weight : 646
Appearance : White or off-white powder
Package : 20kg/cardboard drum with plastic lining


Item  Index
Appearance  White or off-white powder
Melting point(℃)  183-187
Assay % ≥ 99               

Acid value (mg KOH/g) %≤ 0.3
Hydrolyze time (h) ≥  14
Light Transmittance:  425nm% ≥98
                                  500nm% ≥ 98
Properties:This product is soluble in resin and has the characteristic of low volatile, high heat
resisting, pump resisting, implosion and non-discoloration. 
Application: 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 (such as 1010) to prepare com-posite 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.
Storage Notes:Sealed stored in cold, dry, good ventilated place, avoid direct sunlight.

Company Profile

Richfortune Chem:
A Global Leader in Specialty Additives, Intermediates and Heat Transfer Fluids

In 1992, we firstly developed and tried to produce Optical Brightener OB. 
In 1995, we started to manufacture 2,5-thiophenedicarboxylic acid(also called OB acid) and other kinds Optical Brighteners( OB-1, FP-127, ER) .
In 2005, we started to make Biphenyl series, Optical Brightener CBS-X and Heat Transfer Fluids. the capacity of Biphenyl has been over 8000mt/a. Heat Transfer Fluids can reach 10000mt/a capacity.
In 2012, we started to expand production capacity of some products, such as 6500mt/a diphenyl oxide, 3000mt/a p-toluic acid, 3800mt/a partial hydrogenated terphenyl, 2000mt/a 2-formylbenzenesulfonic acid sodium salts, 600mt/a ferrocene.

After decades fast development, now our products include:
Additivesoptical brighteners; Antioxidants; UV Absorbers; Flame Retardants, Photo Initiators, Accelerators; Ferrocene, Etc
Heat transfer fluids: 
Biphenyl+Diphenyl Oxide Mixture(RFCTHERM-400), Partial Hydrogenated Terphenyl(RFCTHERM-PHT-350), Etc
P-toluic acid, P-Tolunitrile, 2-amino Phenol, Biphenyl, Diphenyl Oxide, 1,4-naphthalene dicarboxylic acid, 2-Formylbenzenesulfonic acid sodium salt, Etc

We also focus on inorganic chemicals (Especially in High purity Strontium and Barium salts.
Today, our products have been exported to many countries, we also have become a global leader in above fields.

A Commitment to Our Products:
All our products are supported by our Quality System and testing and R&D laboratories, we offer expert technical support and valuable services based on our professional knowledge over decades, We apply this approach to create a customer experience that is friendly, efficient and seamless, We hope to establish good cooperation relations with colleague worldwide.

A Philosophy of Sustainable and Innovative Development:

We always select environmentally responsible raw materials to manufacture our products, For every product across our entire product line, we constantly looks for ways to reduce environmental impact, everybody is obliged to protect environment, everybody have the right to enjoy green grass, clean water and fresh air.

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