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Hindered Amine Light Stabilizers(HALS)

PowerStab™ 123

Bis(1-octyloxy-2,2,6,-tetramethyl-4-piperidyl)sebacate.

Synonym: Bis(2,2,4,4-Tetramethyl-1-Octyloxypiperidine)Sebacate;

Decanedioic acid, bis(2,2,6,6-tetramethyl-1-(octyloxy)-4-piperidinyl) ester

Chemical Structure
Introduction / Features
PowerStab™ 123 is a highly efficient acidic liquid hinder amine type light stabilizer designed specifically for coating systems which contain acidic components or need to exposure to acidic environments.
Physical Properties
Chemical Name: Bis(1-octyloxy-2,2,6,-tetramethyl-4-piperidyl)sebacate
CAS No.: 129757-67-1
EINECS No.: 406-750-9
Formula: C46H88N2O6
Molecular Weight: 737(average)
Boiling Point(°C): 365
Melting Point(°C): Max.-30
Flash Point[DIN 51584, °C]:
Max.150
Specific Gravity[20°C]: 0.97
Vapor Pressure[20°C, Pa]: Max.0.001
Volatiles(%) Max.1
Viscosity[20°C, Pa.s]: 3
Viscosity[40°C, Pa.s]: 0.7
Color of Solution 425nm (%): 95
Color of Solution 450nm (%): 96
Color of Solution 500nm (%): 97
Ash(%): Max.0.1
Appearance: Pale Yellow Liquid
Min. Purity: 96%

Solubility (20°C) % w/w
Butanol: >50
Butyl acetate: >50
Ethyl glycol: >50
MEK: >50
Xylene: >50
Water: <0.01

Applications
PowerStab™ 123 is a HALS stabilizer based on an aminoether functionality. Its low basicity prevents possible interactions with acidic paint ingredients such as catalysts. Its efficiency provides significant improvement in coatings performance by minimizing paint defects such as cracking and gloss reduction for clear coats as well as chalking for pigmented paints.
Packings
PowerStab™ 123 is supplied in 25kg Net/Plastic drum.
Technical Library
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