Sinanox® 703

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Sinanox® 703

2,6-Di-tert-butyl-4-(dimethylaminomethyl)phenol, CAS 88-27-7, hindered phenol antioxidant, metal deactivator

Sinanox® 703 is a high-performance, multifunctional nitrogen-containing hindered phenolic antioxidant. It serves as both an antioxidant and a metal deactivator, making it highly effective in a wide range of polymers and lubricants. It is non-staining, non-discoloring, offers excellent thermal stability, and is approved for use in food-contact packaging materials in countries like Germany and Japan.

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SINANOX® 703

(Nitrogen-containing hindered phenolic antioxidant)

Chemical Name: 2,6-di-tert-butyl-α-dimethylamino-p-cresol;2,6-Di-tert-butyl-4-(dimethylaminomethyl)phenol

MF:C17H29NO  

MW:263.42

CAS No.: 88-27-7

Molecular structure：

抗氧剂703 结构式

技术指标 :
检验项目 (Item) 指标要求 (Specification)
外观 (Appearance) White to light yellow crystalline powder
Assay (Purity) ≥ 99.0 %
熔点 (Melting Point) 90 - 96 °C
闪点 (Flash Point) 138.0 °C
密度 (Density) 0.92 g/cm³
Ash Content ≤ 0.1 %
Volatiles ≤ 0.5 %
性能特点 :

  • Dual Functionality: Combines radical-scavenging (antioxidant) and metal deactivating properties in a single molecule.

  • Excellent Thermal Stability: Maintains high performance under severe processing and high-temperature conditions.

  • Low Volatility & Migration: Ensures long-term performance and extends the service life of the final product.

  • Non-Staining & Non-Discoloring: Ideal for applications where color stability is critical.

  • Effective Metal Deactivation: Chelates catalytic metal ions (e.g., Copper, Iron), inhibiting metal-induced degradation.

推荐应用 :

  • Rubber Industry

    • Applications: Tires, seals, conveyor belts.

    • Function: Protects natural and synthetic rubber from thermo-oxidative aging.

    • Typical Dosage: 0.1 - 0.5%


  • Plastics & Resins

    • Polyolefins (PE, PP): Inhibits thermal degradation during processing of films, pipes, and injection-molded parts.

    • Engineering Plastics (ABS, Polystyrene): Enhances weatherability for automotive parts and electronic housings.

    • Polyesters & Cellulosic Plastics: Used in fibers and packaging materials to prevent UV and oxygen degradation.


  • Lubricants & Mineral Oils

    • Applications: Engine oils, gear oils.

    • Function: Reduces sludge formation and extends oil drain intervals, especially in high-temperature industrial equipment.

包装规格 :

  • 25 kg/Carton,Drum

  • Or upon customer’s request.


贮存 :

存放在干燥、阴凉、通风良好的库房内。

避免受光照和高温加热。   

运输过程中做好防漏、防雨与防暴晒保护。

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  • 化学名称 :

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    1421-49-4

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  • 化学名称 :

    Propyl Gallate

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    121-79-9

  • 分子式 :

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Sinanox® 703

2,6-Di-tert-butyl-4-(dimethylaminomethyl)phenol, CAS 88-27-7, hindered phenol antioxidant, metal deactivator

Sinanox® 703 (CAS 88-27-7) is a nitrogen-containing hindered phenolic antioxidant manufactured for plastics, rubber and lubricants. It provides dual functionality as antioxidant and metal deactivator with food-contact approval.

  • 化学名称 :

    2,6-di-tert-butyl-α-dimethylamino-p-cresol

  • 分子式 :

    C17H29NO

  • CAS 登录号 :

    88-27-7

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Methyl Gallate CAS 99-24-1

Propyl gallate is an artificially synthesized oil soluble antioxidant that can provide hydrogen atoms to combine with free radicals generated by the auto oxidation of oils and fats, forming a relatively stable structure and blocking the chain auto oxidation process of oils and fats, thereby achieving the purpose of antioxidant.

  • 化学名称 :

    Methyl gallate; Gallic acid methyl ester

  • CAS 登录号 :

    99-24-1

  • 分子式 :

    C8H8O5

  • 包装规格 :

    25kgs/drum.

SINANOX® 2246

2,2'-Methylenebis(4-methyl-6-tert-butylphenol) CAS 119-47-1

SINANOX® 2246 is a non-staining hindered phenolic antioxidant. It is freely soluble in benzene, alcohols, acetone, and other organic solvents, but insoluble in water. It exhibits excellent thermal stability.

  • 化学名称 :

    2,2'-Methylenebis(4-methyl-6-tert-butylphenol)

  • CAS 登录号 :

    119-47-1

  • 分子式 :

    C23H32O2

  • 包装规格 :

    20kgs/bag

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