Description

Uv-1164 is a high-performance light stabilizer widely used in polymer and coating formulations. This compound is critical for enhancing the durability and longevity of materials by effectively absorbing and dissipating harmful ultraviolet radiation. It is an essential additive for manufacturers in the plastics, automotive, and packaging industries seeking to prevent photo-degradation, color fading, and loss of mechanical properties in their products.

Application

• Primary light stabilizer in polyolefins such as polypropylene (PP) and polyethylene (PE) for automotive parts, containers, and fibers.
• Key additive in engineering plastics and thermoplastic elastomers to maintain structural integrity under prolonged UV exposure.
• Protective component in industrial and automotive coatings, including clearcoats and pigmented systems, to prevent gloss loss and chalking.
• Stabilizer for adhesives, sealants, and synthetic fibers to ensure performance stability in outdoor applications.
• Used in agricultural films and greenhouse covers to extend service life by resisting solar degradation.
• Additive in packaging materials to protect contents and preserve the appearance of the packaging itself.

Basic Information

Product Name	Uv-1164
CAS No.	2725-22-6
Molecular Formula	C28H29N3O5
Molecular Weight	487.55 g/mol
Synonyms	2,2'-(1,4-Phenylenedimethylene)bis(4,6-bis(1,1-dimethylethyl)phenol); 1,4-Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)piperazine; Bis(1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylato-4-yl) ether; UV-1164; Light Stabilizer 1164; Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)piperazine; Hostavin 3050; Tinuvin 111
EINECS	220-336-0

Quality Control

Our Uv-1164 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to meet exacting industry specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Melting Point	156 - 162 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%
Transmittance	≥ 95% (425 nm) ≥ 97% (500 nm)

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