UV-144 CAS 63843-89-0

CAS: 63843-89-0

Molecular Formula: C42H72N2O5

Molecular Weight: 685.03

EINECS: 264-513-3

Synonyms: Bis-(1,2,2,6,6-pentamethyl-4-piperidinyl)-2-(3,5-di-tert-butyl-4-hydroxyben Light Stabilizers-144; 2-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-2-butyl-propanedioic acid 1,3-bis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester; UV STABILIZER TRUELICHT UV 144; UV absorber Sunsorb 144; LOTSORB UV 144

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What is UV-144 CAS 63843-89-0?

UV-144 white to slightly yellow powder, high-performance NOR type hindered amine light stabilizer, suitable for the powder coating industry. Hindered amine stabilizers with partially hindered phenolic antioxidant behavior can reduce cracking and loss of gloss, significantly extending the service life of paint films.

Specification

Item	Specification
Boiling point	695.48°C (rough estimate)
Density	1.0062 (rough estimate)
Melting point	147-149 °C(Solv: methanol (67-56-1); tetrahydrofuran (109-99-9))
pKa	11.99±0.40(Predicted)
resistivity	1.4670 (estimate)

Application

UV-144 high-performance NOR type hindered amine light stabilizer, suitable for the powder coating industry. Hindered amine stabilizers with partially hindered phenolic antioxidant behavior can reduce cracking and loss of gloss, significantly extending the service life of paint films. At the same time, it has the property of making powder coatings frictional and charged, improving the powder coating rate. It is mainly used in powder coatings, coil steel, automotive coatings, etc.