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Light Stabilizer 144 TINUVIN 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 144
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.