Description

n-(2,2,6,6-Tetramethyl-4-Piperidyl)Stearamide is a high-performance hindered amine light stabilizer (HALS) derived from stearic acid and a tetramethylpiperidine moiety. This compound is critical for protecting polymers and coatings from the degrading effects of UV radiation and thermal oxidation, thereby significantly extending product lifespan. It is an essential additive for manufacturers in the plastics, synthetic fibers, and automotive coatings industries who require durable, long-lasting materials.

Application

• Primary light stabilizer in polyolefins (PP, PE) for automotive parts, agricultural films, and outdoor furniture.
• Key additive in industrial coatings and automotive paints to prevent gloss loss, chalking, and color fading.
• Stabilizing agent for engineering plastics and synthetic fibers exposed to outdoor environments.
• Used in adhesives and sealants to maintain elasticity and bond strength under UV exposure.
• Additive for photodegradable polymer formulations where controlled lifetime is required.
• Synergistic component in polymer stabilization packages combined with UV absorbers and antioxidants.

Basic Information

Product Name	n-(2,2,6,6-Tetramethyl-4-Piperidyl)Stearamide
CAS No.	37819-84-4
Molecular Formula	C27H54N2O
Molecular Weight	422.74 g/mol
Synonyms	Stearamide, N-(2,2,6,6-tetramethyl-4-piperidinyl)-; 4-Stearamido-2,2,6,6-tetramethylpiperidine; N-Stearyl-2,2,6,6-tetramethyl-4-piperidylamine; HALS derived from stearic acid; Light Stabilizer 770; LS 770; Tinuvin 770 (analog); Chimassorb 944 (related class); Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (common related compound)
EINECS	Contact for details

Quality Control

Our n-(2,2,6,6-Tetramethyl-4-Piperidyl)Stearamide is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee consistency and support your quality assurance protocols.

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. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	80 - 85 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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