Stabilizers

Many polymers are susceptible to environmental degradation and require the addition of a stabilizer such as an antioxidant or UV absorber to prevent premature degradation. Hindered phenols and hindered amine light stabilizers (HALS) deactivate existing radicals, including peroxy compounds formed by air oxidation. UV absorbers dissipate UV radiation by a process nondestructive to the polymer. Free radical inhibitors are added to monomers as stabilizers to inhibit premature polymerization.

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415839 4-Allyloxy-2-hydroxybenzophenone 99%
417807 1-Aza-3,7-dioxabicyclo[3.3.0]octane-5-methanol solution 55 wt. % in H2O
535753 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol powder
422746 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol 98%
535788 2-(2H-Benzotriazol-2-yl)-6-dodecyl-4-methylphenol
413437 2-[3-(2H-Benzotriazol-2-yl)-4-hydroxyphenyl]ethyl methacrylate 99%
559857 2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-propenyl)phenol 99%
322806 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol 98%
413216 2-(4-Benzoyl-3-hydroxyphenoxy)ethyl acrylate 98%
442216 3,9-Bis(2,4-dicumylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
535850 Bis(octadecyl)hydroxylamine powder, 65%
441775 3,9-Bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
535761 Bis(1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate
535834 Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate
422479 2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol 98%
465798 2-tert-Butyl-4-ethylphenol 99%
C44702 5-Chloro-2-hydroxybenzophenone 99%
143332 5-Chloro-2-hydroxy-4-methylbenzophenone 99%
423327 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol 98%
413275 2,6-Di-tert-butyl-4-(dimethylaminomethyl)phenol 96%
383392 3′,5′-Dichloro-2′-hydroxyacetophenone 99%
D128406 Didodecyl 3,3′-thiodipropionate >97%
126217 2,4-Dihydroxybenzophenone 99%
D111007 2,2′-Dihydroxy-4,4′-dimethoxybenzophenone 98%
323578 2,2′-Dihydroxy-4-methoxybenzophenone 98%
426903 2′,4′-Dihydroxy-3′-propylacetophenone 99%
300756 2,3-Dimethylhydroquinone 97%
535826 2-(4,6-Diphenyl-1,3,5-triazin-2-yl)-5-[(hexyl)oxy]-phenol
417793 5-Ethyl-1-aza-3,7-dioxabicyclo[3.3.0]octane 97%
415812 Ethyl 2-cyano-3,3-diphenylacrylate 98%
415820 2-Ethylhexyl 2-cyano-3,3-diphenylacrylate 97%
437174 2-Ethylhexyl trans-4-methoxycinnamate 98%, contains 500-1000 ppm BHT as stabilizer
437379 2-Ethylhexyl salicylate 99%
372137 2,2′-Ethylidene-bis(4,6-di-tert-butylphenol) 99%
413151 2-Hydroxy-4-(octyloxy)benzophenone 98%
306312   Inhibitor removers Prepacked column for removing hydroquinone and monomethyl ether hydroquinone
311340   Inhibitor removers replacement packing, for removing tert-butylcatechol
437387 Menthyl anthranilate 98%
176893 2-Methoxyhydroquinone 98%
211311 Methyl-p-benzoquinone 98%
407941 2,2′-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol] 99%
413143 2,2′-Methylenebis(6-tert-butyl-4-ethylphenol)
413135 2,2′-Methylenebis(6-tert-butyl-4-methylphenol)
463329 5,5′-Methylenebis(2-hydroxy-4-methoxybenzophenone) 90%
112968 Methylhydroquinone 99%
443662 4-Nitrophenol sodium salt hydrate
367079 Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate 99%
441783 Pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate) 98%
437166 2-Phenyl-5-benzimidazolesulfonic acid 96%
533963 Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-s-triazine-2,4-diyl]-[(2,2,6,6-tetramethyl-4-piperidyl)imino]-hexamethylene-[(2,2,6,6-tetramethyl-4-piperidyl)imino] average Mn ~2,000
496332 Sodium D-isoascorbate monohydrate 97%
232017 Tetrachloro-1,4-benzoquinone 99%
442259 Triisodecyl phosphite
413283 1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene 99%
413224 Tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) isocyanurate 97%
441791 Tris(2,4-di-tert-butylphenyl) phosphite 98%
309001 1,3,5-Tris(2-hydroxyethyl)isocyanurate 97%
441805 Tris(nonylphenyl) phosphite