PowerStab™ 144 ,Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate,CAS No.63843-89-0



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	Antioxidant \| Ultraviolet Absorber \| Light Stabilizer \| Photoinitiator

Hindered Amine Light Stabilizers(HALS)

PowerStab™ 144

Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate.

Chemical Structure

Introduction / Features

PowerStab™ 144 is one of hindered amine light stabilizers (HALS), which protect against ultraviolet radiation. It has good solubility and good compatibility, high temperature and ambient temperature

Physical Properties

Chemical Name:	Bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate
CAS No.:	63843-89-0
EINECS No.:	264-513-3
Formula:	C`42`H`72`N`2`O`5`
Molecular Weight:	146-150
Average Particle Size:	1 mm
Melting Point(°C):	115-150
Boiling Point(°C):	Min.300
Volatiles (%):	Max.0.5
Color of Solution 425nm (%):	Min.95
Color of Solution 500nm (%):	Min.97
Appearance:	White to slightly yellow powder
Min. Purity:	98%

Solubility (20°C)	% w/w
MEK:	9
Butanol:	2.5
Butylacetate:	10
Xylene:	10
Water:	<0.01

Applications

PowerStab™ 144 is especially suitable for systems that require high temperature curing powder coatings and coil coatings, automotive coatings.

PowerStab™ 144 has a hindered phenol type of anti-oxidant moiety, which provides the light stabilizer an extended life.

PowerStab™ 144 is highly effective in reducing coating defects like cracking and gloss loss.

Packings

PowerStab™ 144 is supplied in net weight 20kg fiber drum with PE liner.

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