Description

N,N'-Ethylenebis(3-Oxo-2,2,4-Trimethylvaleramide) is a specialized diamide compound, recognized for its role as a high-performance light stabilizer and antioxidant in polymer systems. Its molecular structure is engineered to effectively scavenge free radicals and inhibit photo-oxidative degradation, thereby extending the service life and maintaining the aesthetic properties of sensitive materials. This product is essential for formulators and manufacturers in the plastics, coatings, and synthetic fiber industries seeking to enhance the durability of their products against environmental stressors.

Application

• Primary use as a light stabilizer (HALS - Hindered Amine Light Stabilizer) in polyolefins such as polypropylene (PP) and polyethylene (PE).
• Critical additive in automotive plastics and coatings to prevent fading, chalking, and loss of mechanical properties.
• Stabilizer for agricultural films to extend functional lifespan under intense UV exposure.
• Protective agent in synthetic fibers and textiles to improve colorfastness and fiber strength.
• Component in engineering plastics and polymer blends requiring long-term thermal and UV stability.
• Additive for adhesives, sealants, and elastomers to enhance weatherability.

Basic Information

Product Name	N,N'-Ethylenebis(3-Oxo-2,2,4-Trimethylvaleramide)
CAS No.	73840-20-7
Molecular Formula	C₁₈H₃₂N₂O₄
Molecular Weight	340.46 g/mol
Synonyms	Bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate; Tinuvin 770; Light Stabilizer 770; LS-770; Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate derivative; N,N'-Ethylenebis(2,2,6,6-tetramethyl-4-piperidinone-3-carboxamide); UV-770; Hindered Amine Light Stabilizer 770
EINECS	Contact for details

Quality Control

Our production of N,N'-Ethylenebis(3-Oxo-2,2,4-Trimethylvaleramide) adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. Certificates of Analysis (COA) documenting purity and key specifications are available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	81 - 85 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.