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Plastics additives-UV absorber

2-Hydroxy-5-methyl phenyl) benzotriazole
Reference trade name: Tinuvin P
CAS NO.:2440-22-4
Appearance: Sight yellowish powder or crystal
Assay:99.5% (HPLC)
Melting Point:130??? -131.5???
Volatile Content: 0.03%
Transmittance (10g/100ml Toluene)
440nm 98.0%
500nm 99.0%


2-(2-Hydroxy-5-tert-octylphenyl) benzotriazole
Reference trade trade name: Tinuvin 329 or Cytec 5411
CAS#3147-75-9
Appearance: Sight yellowish powder
Assay:99%(HPLC)
Melting Point:104.5??? -106???
Volatile Content: 0.05%
Transmittance (10g/100ml Toluene)
440nm 98.8%
500nm 99.5%
2-(2Hydroxy-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole
Reference trade name: Tinuvin 326
CAS#3896-11-5
Appearance: Sight yellowish powder
Assay:99%(HPLC)
Transmittance (10g/100ml Toluene)
440nm 98.0%
500nm 99.0%
2-(2-Hydroxy-3 5-di-tert-butylphenyl)-5-chlorobenzotriazole
Reference trade name: Tinuvin 327
CAS#3864-99-1
Appearance: Sight yellowish powder
Assay:99%(HPLC)
Transmittance (10g/100ml Toluene)
440nm 98.0%
500nm 99.0%
2-(2H-hydroxy-3-5-Di-tert-Amyllphenyl)benzotriazole
Reference trade name: Tinuvin 328
CAS#25973-55-1
Appearance: Sight yellowish powder
Assay:99%(HPLC)
Transmittance (10g/100ml Toluene)
440nm 98.0%
500nm 99.0%

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