uv 531

UV 531, Chimassorb 81, CAS 1843-05-6 Chemical Name: 2-Hydroxy-4-n-octoxybenzophenone Formula C21H26O3   Molecular Weight      326 CAS# 1843-05-6 Specification: Appearance slightly yellow powder Melting point 47-49℃ boiling point > 300°C Solubility(20℃) Water < 0.01 MeoH 2 EtoH 2 Acetone 70 Ch2Cl2 67 Hexane 25 Application: >Features: Low yellowing; Good absorbance in the UV-B region; improves failure…

uv 234

UV 234, Tiunvin 234, CAS 321-86-7 Chemical Name:  2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol Formula C30H29N3O   Molecular Weight      447.5 CAS# 70321-86-7 Synonyms: Tinuvin 234,UV Absorber 234, Ultraviolet Absorber 234, UV Stabilizer 234 Specification: Appearance slightly yellow powder or granules Melting point 137 – 141 °C Flashpoint > 150°C Solubility(20℃) Water < 0.01 MeoH < 0.1 EtoH 0.3 Acetone 2…

uv 329

UV 329, Tiunvin 329, CAS 3147-75-9 Chemical Name: 2-(2′-hydroxy-5′-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole Formula C20H25N30   Molecular Weight 323 CAS#      3147-75-9 Synonym names:  Tinuvin 329, Cyasorb UV 5411 Specification: Appearance slightly yellow powder Melting point 103-105℃ Flashpoint > 150°C Solubility(20℃) acetone 9 benzene 32 chloroform 37 cyclohexane 15 ethyl acetate 15 n-hexane 6 methanol 0.6 water < 0.01 Application:    >Features:…

uv 326

UV 326, Tinuvin 326, CAS 3846-71-7 Chemical Name: 2-(2′-Hydroxy-3′-tert-butyl-5′-methylphenyl)-5-chlorobenzortriazole Formula C17H18N3OCL Molecular Weight 315.8 CAS# c synonym name: UV-326, Ultraviolet Absorber 326, Tinuvin 326, Uvinul 3026 Specification: Appearance yellowish powder or flakes Melting point 138-141℃ Flashpoint 238℃ DIN 51584 Flashpoint 297℃ Solubility(20℃) Acetone 1 Chloroform 11 Ethanol – Ethylacetate 2 n-Hexane 1 Methanol 0.1 Methylene chloride…

uv p

UV P, Tinuvin P, CAS 2440-22-4 Chemical Name: 2-(2H-Benzotriazol-2-yl)-p-cresol Formula C13H11N3O Molecular Weight 225 CAS# 2440-22-4 Specification: Appearance Yellow crystalline powder Melting point 128-133 ˚C boiling point 225℃ Solubility(20℃) Water < 0.1 MeOH 0.2 EtOH 10 Acetone 3 CH 2 Cl 2 16 Hexane 0.8 Application: >Particularly effective in styrene polymers, PVC, unsaturated polyesters, polyurethanes, acrylic…