Description

1,3-Bis(2,2,6,6-Tetramethyl-4-Piperidyl)Urea is a high-performance hindered amine light stabilizer (HALS) intermediate, recognized for its exceptional efficacy in protecting polymers from UV-induced degradation. This compound is a critical building block for synthesizing advanced light stabilizers, offering superior long-term thermal stability and low volatility. It is essential for formulators and manufacturers in the plastics, coatings, and synthetic fiber industries who require reliable protection for their products against weathering and color fading.

Application

• Primary Intermediate for HALS: A key precursor in the synthesis of high-performance hindered amine light stabilizers (HALS) such as Tinuvin® 770 and Chimassorb® 944.
• Polymer Stabilization: Used to manufacture additives for protecting polyolefins (PP, PE), engineering plastics, and synthetic fibers from UV radiation and thermal oxidation.
• Automotive & Industrial Coatings: Incorporated into coating formulations to enhance the durability and gloss retention of automotive paints and industrial finishes exposed to sunlight.
• Agricultural Films: Essential for producing light stabilizers used in greenhouse and mulch films to extend service life under intense solar exposure.
• Construction Materials: Used in stabilizers for PVC, polycarbonates, and other polymers used in outdoor construction applications like siding, window profiles, and roofing membranes.
• Advanced Material Synthesis: Serves as a versatile building block in organic synthesis for creating novel stabilizers and other specialty chemicals.

Basic Information

Product Name	1,3-Bis(2,2,6,6-Tetramethyl-4-Piperidyl)Urea
CAS No.	34402-56-7
Molecular Formula	C19H38N4O
Molecular Weight	338.53 g/mol
Synonyms	Bis(2,2,6,6-tetramethyl-4-piperidyl)urea; 1,3-Bis(2,2,6,6-tetramethyl-4-piperidinyl)urea; Urea, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)-; HALS Intermediate 770; Light Stabilizer Intermediate 770; Tinuvin 770 Intermediate; LS-770; Bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate precursor (related); 4-Piperidinyl urea derivative
EINECS	Contact for details

Quality Control

Our production of 1,3-Bis(2,2,6,6-Tetramethyl-4-Piperidyl)Urea adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is manufactured and tested in facilities that follow cGMP (current Good Manufacturing Practice) guidelines where applicable. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We ensure compliance with relevant global regulatory frameworks, including REACH.

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, sparks, and open flame. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	156 - 160 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 1.5%

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