Product name: Photo-stabilizer 622 CAS No.: 70198-29-7 Molecular weight: 319.3939 Alias: butanedioic acid polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethaNo.l; Poly[1-(2'-Hydroxyethyl)-2,2,6,6-Tetramethyl-4-Hydroxy-piperdylSuccinate]; 1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidin-4-ol butanedioate (1:1); Light stabilizer622; HALS 622 Structural Formula:

CAS NO:65447-77-0

EC NO:

Molecular Formula:(C₁₅H₂₅NO₄)n

Molecular Weight:3100-4000

Synonyms:;Butanedioicacid,dimethylester,polymerwith4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol Dimethylbutanedioatepolymerwith4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol dimethylester,polymerwith4-hydroxy-2,2,6,6-tetramethyl-1-butanedioicaci piperidineethanol [1-(2'-HYDROXYETHYL)]-2,2,6,6-TETRAMETHYL-4-HYDROXY-PIPERIDINYL SUCCINATE;Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethylpiperidyl-1-ethanol) succinate;Poly-(N-Hydroxyethyl-2,2,6,6-Tetramethyl-4-Hydroxy-;Piperidyl Succinate);POLY(4-HYDROXY-2,2,6,6-TETRAME-1-PIPERID;ACETOSTAB UV-622;Hindered Amine Light Stabilizer 622;POLY[N-(2''-HYDROXYETHYL)-2,2,6,6-TETRAMETHYL-4-;HYDROXYPIPERIDYLSUCCINATE];Poly-(-N-beta-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-;piperidyl-succinat);dimethyl succinate polymer w/4-hydroxy-2,2,6,6-;tetramethyl-1-piperidine ethanol;Primesorb622;Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl)succinate;TINUVIN 622;Poly-(N--hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate);UV-622;Poly-(N-2-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxypiperidyl succinate);Dimethyl succinate/4-hydroxy-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidine copolymer;Hindered amine light stabilizer 622;Light stabilizer 622;Light stabilizer622;UV622;HALS 622;Butanedioic acid,dimethyl ester,polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol;4-Hydroxy-2,6-Tetra-methyl-1-Piperidine-ethanol;

Molecular Structure: