Light Stabilizer 144

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
Molecular weight:	683
Chemical structure

Specifications
Acctive componet	:	99.0% min
Loss on drying	:	0.5% max
Ash	:	0.1% max
Other impurities		1.0% max
Transmittance @ 425nm	:	97% min
Transmittance @ 460nm	:	98% min
Transmittance @ 500nm	:	99% min

Physical Properties
Appearance	:	white to slightly yellow powder
Melting range	:	146-150°C
Solubility at 20°C	:	(g/100g solution)
butylcarbitol	:	1.5
butanol	:	2.5
butylacetate	:	10
ethylglycol	:	1.5
1-methoxypropylacetate-2	:	1
methylethylketone	:	9
water	:	＜1

Application
Light Stabilizer 144 is recommended for applications such as:

automotive coatings

coil coatings

powder coatings

Packing and storing
Net wt. 25kg in plastic bag lined carton / drum. It is stable chemicals, avoid moisture and heat.