Y1: 1984 polymer exemption
Indicates a polymer that has a number-average molecular weight greater than 1,000 and that was exempt under the 1984 polymer exemption rule.
379 substances carry it in the July 2026 release, of which 157 are designated active.
What it obliges
Nothing directly. It records the basis on which the polymer entered the Inventory.
Substances carrying Y1
Showing 100 of 379, active substances first. Search the full Inventory for a specific one.
| CAS number | Substance | Status | Other flags |
|---|---|---|---|
| 119209-70-0 | Rosin, polymer with formaldehyde, glycerol and 4-(1,1,3,3-tetramethylbutyl)phenol | Active | FRI PMN XU UVCB |
| 103621-98-3 | Fatty acids, soya, polymers with benzoic acid, glycerol, pentaerythritol, phthalic anhydride and tall-oil fatty acids | Active | FRI XU UVCB |
| 109961-31-1 | Fatty acids, C18-unsatd., dimers, polymers with dodecylphenol, formaldehyde, maleic anhydride, pentaerythritol and rosin | Active | FRI XU UVCB |
| 109961-32-2 | Fatty acids, dehydrated castor-oil, polymers with benzoic acid, glycerol, pentaerythritol, phthalic anhydride and soya fatty acids | Active | FRI XU UVCB |
| 109961-35-5 | Fatty acids, tall-oil, polymers with adipic acid, isophthalic acid, neopentyl glycol, trimellitic anhydride and trimethylolethane | Active | FRI XU UVCB |
| 109961-36-6 | Fatty acids, tall-oil, polymers with benzoic acid, isophthalic acid, linoleic acid and pentaerythritol | Active | FRI XU UVCB |
| 111353-95-8 | Fatty acids, C18-unsatd., dimers, polymers with adipic acid, ethylene glycol, isophthalic acid, neopentyl glycol, propylene glycol and terephthalic acid | Active | FRI XU UVCB |
| 116597-52-5 | Fatty acids, tall-oil, polymers with Me methacrylate, pentaerythritol, phthalic anhydride, soybean oil, styrene and trimethylolpropane | Active | FRI XU UVCB |
| 116597-55-8 | Fatty acids, dehydrated castor-oil, polymers with benzoic acid, pentaerythritol, phthalic anhydride and tall-oil fatty acids | Active | FRI XU UVCB |
| 29497-14-1 | 2-Propenoic acid, 2-methyl-, butyl ester, polymer with butyl 2-propenoate and ethenylbenzene | Active | FRI PMN XU |
| 3011678-38-6 | Fatty acids, soya, polymers with isophthalic acid, pentaerythritol, trimellitic anhydride and trimethylolpropane | Active | FRI XU UVCB |
| 97953-26-9 | 1,4-Benzenedicarboxylic acid, polymer with hexahydro-2H-azepin-2-one and 2-methyloxirane polymer with oxirane bis(2-aminopropyl) ether | Active | FRI PMN XU |
| 99904-15-1 | Linseed oil, polymer with adipic acid, benzoic acid, pentaerythritol and phthalic anhydride | Active | FRI XU UVCB |
| 101325-00-2 | Carbonic acid, dimethyl ester, polymer with 1,6-hexanediol | Active | PMN XU |
| 103069-96-1 | Linseed oil, polymer with TDI and trimethylolpropane | Active | XU UVCB |
| 103819-42-7 | Linseed oil, polymer with benzoic acid, ethylene glycol, glycerol, isophthalic acid, propylene glycol and tung oil | Active | XU UVCB |
| 106646-39-3 | 2-Propenoic acid, 2-methyl-, polymer with butyl 2-methyl-2-propenoate, ethenylbenzene and octadecyl 2-methyl-2-propenoate | Active | FRI XU |
| 111823-42-8 | Dodecanoic acid, ethenyl ester, polymer with ethenol, ethenyl acetate and ethenyl tert-decanoate | Active | FRI XU |
| 111823-43-9 | 1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol, formaldehyde, methylphenol, phenol and 1,2,3-propanetriol | Active | FRI XU |
| 116597-59-2 | Hexanedioic acid, polymer with 2-(chloromethyl)oxirane, 2,5-furandione, 4,4'-(1-methylethylidene)bis[phenol], 1,1'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis[2-propanol], 2-methyloxirane and oxirane | Active | FRI XU |
| 1192271-80-9 | Dodecanedioic acid, polymer with azacyclotridecan-2-one, hexahydro-2H-azepin-2-one and piperazine | Active | FRI XU |
| 122625-12-1 | Butanedioic acid, 2-methylene-, polymer with ethenyl acetate, hydrolyzed, sodium salts | Active | XU UVCB |
| 125542-64-5 | Soybean oil, polymer with isophthalic acid, terephthalic acid, trimellitic anhydride and trimethylolpropane | Active | XU UVCB |
| 128192-17-6 | Siloxanes and Silicones, di-Me, 3-hydroxypropyl Me, 3-hydroxypropyl group-terminated, ethoxylated propoxylated | Active | XU UVCB |
| 128754-63-2 | Fatty acids, C18-unsatd., dimers, polymers with azelaic acid, diethylene glycol, isophthalic acid, maleic anhydride and trimethylolpropane | Active | XU UVCB |
| 129595-12-6 | Rosin, maleated, polymer with bisphenol A, p-tert-butylphenol, formaldehyde, nonylphenol and pentaerythritol | Active | XU UVCB |
| 130935-48-7 | Linseed oil, polymer with benzoic acid, ethylene glycol, pentaerythritol, phthalic anhydride, soybean oil and trimethylolethane | Active | XU UVCB |
| 131132-79-1 | 2-Propenoic acid, 2-methyl-, polymer with .alpha.-(3-carboxymethylene-1-oxopropyl)-.omega.-(hexadecyloxy)poly(oxy-1,2-ethanediyl), ethyl 2-propenoate and methyl 2-methyl-2-propenoate | Active | PMN XU |
| 132778-09-7 | Rosin, polymer with p-tert-butylphenol, formaldehyde, maleic anhydride, pentaerythritol and soybean oil | Active | XU UVCB |
| 132778-10-0 | Fatty acids, dehydrated castor-oil, polymers with benzoic acid, pentaerythritol, phthalic anhydride and soya fatty acids | Active | XU UVCB |
| 132778-12-2 | Siloxanes and Silicones, di-Me, 6-hydroxyhexyl group-terminated, diesters with 2-oxepanone homopolymer | Active | XU UVCB |
| 132778-15-5 | Siloxanes and Silicones, di-Me, 6-hydroxyhexyl group-terminated | Active | XU UVCB |
| 132961-13-8 | Carboxylic acids, di-, C4-11, polymers with 1,4-butanediol, 2-ethylhexyl esters | Active | XU UVCB |
| 132983-38-1 | Benzene, ethenyl-, polymer with 1,3-butadiene and 2-methyl-1,3-butadiene, hydrogenated | Active | XU UVCB |
| 136155-47-0 | 2-Propenoic acid, 2-methyl-, butyl ester, polymer with 2-ethylhexyl 2-propenoate, 2-hydroxyethyl 2-propenoate, (1-methylethenyl)benzene and methyl 2-methyl-2-propenoate, 6-hydroxyhexanoate, bis(1-methyl-1-phenylethyl) peroxide- and 1-methyl-1-phenylethyl hydroperoxide-initiated | Active | XU UVCB |
| 142321-71-9 | Siloxanes and Silicones, C15-18-alkyl Me, di-Me, 3-hydroxypropyl Me, ethoxylated propoxylated | Active | XU UVCB |
| 143400-69-5 | Castor oil, dehydrated, polymer with benzoic acid, pentaerythritol, phthalic anhydride, soybean oil and trimethylolpropane | Active | XU UVCB |
| 143496-13-3 | 2,5-Furandione, telomer with ethenylbenzene and (1-methylethyl)benzene, ammonium salt, bis(1-methyl-1-phenylethyl) peroxide-initiated | Active | XU UVCB |
| 145533-89-7 | Fatty acids, coco, polymers with adipic acid, phthalic anhydride and propylene glycol | Active | XU UVCB |
| 146684-86-8 | Carboxylic acids, di-, C4-11, polymers with bis(2-hydroxyethyl) azelate, 1,4-butanediol, ethylene glycol, 2-ethyl-1-hexanol and propylene glycol | Active | XU UVCB |
| 146684-87-9 | Fatty acids, C16-18 and C18-unsatd., polymers with isophthalic acid, pentaerythritol, trimellitic anhydride and trimethylolethane | Active | XU UVCB |
| 149368-10-5 | Morpholine, compds. with sulfonated divinylbenzene-ethenylethylbenzene-styrene polymer | Active | XU UVCB |
| 150409-15-7 | Fatty acids, coco, polymers with adipic acid, dihydro-3-(octadecen-1-yl)-2,5-furandione and pentaerythritol | Active | XU UVCB |
| 151789-04-7 | 1,3-Butadiene, 2-methyl-, homopolymer, hydrogenated | Active | XU UVCB |
| 152143-09-4 | Carboxylic acids, di-, C4-11, polymers with 1,4-butanediol, ethylene glycol, 2-ethyl-1-hexanol and propylene glycol | Active | XU UVCB |
| 155419-59-3 | Siloxanes and Silicones, cetyl Me, di-Me, Me 11-methoxy-11-oxoundecyl | Active | XU UVCB |
| 156559-13-6 | Castor oil, polymer with benzoic acid, dehydrated castor oil, ethylene glycol, pentaerythritol and phthalic anhydride | Active | XU UVCB |
| 156559-14-7 | Siloxanes and Silicones, di-Me, 3-hydroxypropyl group-terminated, ethoxylated, polymers with 5-amino-1,3,3-trimethylcyclohexanemethanamine, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and polyethylene glycol | Active | XU UVCB |
| 156559-15-8 | Siloxanes and Silicones, di-Me, 3-hydroxypropyl Me, [[(3-hydroxypropyl)dimethylsilyl]oxy]-terminated, ethers with polyethylene glycol mono-Me ether | Active | XU UVCB |
| 156587-02-9 | 2-Propenoic acid, 2-methyl-, ethyl ester, polymer with ethenylbenzene and 2-hydroxyethyl 2-methyl-2-propenoate, hydrogen (2Z)-2-butenedioate, tert-Bu benzenecarboperoxoate-initiated | Active | XU UVCB |
| 157479-55-5 | Siloxanes and Silicones, di-Me, 3-hydroxypropyl group-terminated, ethers with polyethylene-polypropylene glycol mono-Me ether | Active | XU UVCB |
| 159964-34-8 | Fatty acids, coco, hydrogenated, polymers with acetic anhydride, adipic acid, 1,3-butanediol, phthalic anhydride and propylene glycol | Active | XU UVCB |
| 163611-12-9 | Alkenes, C14-16 .alpha.-, polymers with bis(2-ethylhexyl) fumarate | Active | XU UVCB |
| 167395-40-6 | Formaldehyde, homopolymer, ether with .alpha.-octadecyl-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)], acetate | Active | XU UVCB |
| 175449-29-3 | 2-Oxepanone, homopolymer, ester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), polymer with 1,6-diisocyanatohexane, Me Et ketone oxime-blocked | Active | XU UVCB |
| 193635-68-6 | Siloxanes and Silicones, di-Me, polymers with Bu acrylate and Me methacrylate | Active | XU UVCB |
| 25266-67-5 | 2-Propenoic acid, polymer with 1,1-dimethylethyl 2-propenoate and ethene | Active | FRI XU |
| 2999740-11-1 | Fatty acids, tallow, polymers with pentaerythritol, phthalic anhydride, propylene glycol and 3,5,5-trimethylhexanoic acid | Active | XU UVCB |
| 3007743-45-2 | Fatty acids, C16-18, polymers with Bu acrylate, hexahydro-1,3-isobenzofurandione, 2-hydroxyethyl methacrylate, methacrylic acid, styrene, 3,5,5-trimethylhexanoic acid and trimethylolpropane, tert-Bu benzenecarboperoxoate-initiated | Active | XU UVCB |
| 3007747-94-3 | Linseed oil, polymer with isophthalic acid, pentaerythritol, phthalic anhydride, polymd. soybean oil and soybean oil | Active | XU UVCB |
| 3007748-21-9 | Fatty acids, C16-18, polymers with Bu methacrylate, hexahydro-1,3-isobenzofurandione, 2-hydroxyethyl methacrylate, methacrylic acid, styrene, 3,5,5-trimethylhexanoic acid and trimethylolpropane, tert-Bu benzenecarboperoxoate- and tert-Bu 3,5,5-trimethylhexaneperoxoate- and 1-methyl-1-phenylethyl hydroperoxide-initiated | Active | XU UVCB |
| 3007748-22-0 | Castor oil, dehydrated, mixed with soybean oil, ester with bisphenol A-epichlorohydrin polymer benzoate | Active | XU UVCB |
| 3007748-46-8 | Benzenamine, 4,4'-[sulfonylbis(4,1-phenyleneoxy)]bis-, polymer with 1,1'-methylenebis[4-isocyanatobenzene], isocyanatobenzene-terminated | Active | XU UVCB |
| 3011675-65-0 | Fatty acids, C16-18 and C18-unsatd., polymers with isophthalic acid, pentaerythritol, trimellitic anhydride and trimethylolpropane | Active | XU UVCB |
| 3020745-03-0 | 1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, 2,5-furandione, hexanedioic acid and oxybis[propanol] | Active | FRI XU |
| 3020745-16-5 | 1,3-Benzenedicarboxylic acid, polymer with .alpha.-(2-aminomethylethyl)-.omega.-(2-aminomethylethoxy)poly[oxy(methyl-1,2-ethanediyl)], hexanedioic acid, 1,6-hexanediol, .alpha.-hydro-.omega.-(2-aminomethylethoxy)poly[oxy(methyl-1,2-ethanediyl)] ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid and 1,1'-methylenebis[4-isocyanatocyclohexane], compd. with N,N-diethylethanamine | Active | FRI XU |
| 3022882-41-0 | 2-Propenoic acid, 2-methyl-, butyl ester, telomer with butyl 2-propenoate, ethenylbenzene, 2-hydroxyethyl 2-methyl-2-propenoate and 1-octanethiol, tert-Bu peroxide-initiated | Active | XU UVCB |
| 3024920-43-9 | Fatty acids, sunflower-oil, polymers with isophthalic acid, pentaerythritol and sunflower oil | Active | XU UVCB |
| 3024920-62-2 | 1,3-Hexanediol, 2-ethyl-, polymer with 1,6-diisocyanatohexane, glycolic acid-blocked | Active | XU UVCB |
| 3029439-35-5 | Resin acids and Rosin acids, esters with glycerol, polymers with maleic anhydride and polyethylene glycol | Active | XU UVCB |
| 349660-48-6 | Fatty acids, coco, polymers with bisphenol A and bisphenol A diglycidyl ether | Active | XU UVCB |
| 37350-42-8 | 2-Propenoic acid, sodium salt (1:1), polymer with sodium 2-methyl-2-[(1-oxo-2-propen-1-yl)amino]-1-propanesulfonate (1:1) | Active | FRI XU |
| 54684-88-7 | 1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol, 2,5-furandione and 2,2'-oxybis[ethanol] | Active | FRI XU |
| 60323-79-7 | Starch, polymer with 2-propenoic acid, graft, sodium salt | Active | FRI XU |
| 60785-11-7 | 1-Hexene, polymer with 1-butene and ethene | Active | FRI XU |
| 70290-02-7 | Hexanedioic acid, polymer with azacyclotridecan-2-one and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) | Active | FRI XU |
| 78435-59-3 | 2,5-Furandione, polymer with 1,2-ethanediol, 2-methyloxirane, oxirane and 1,2-propanediol | Active | FRI XU |
| 99546-37-9 | 1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 3-(dodecen-1-yl)dihydro-2,5-furandione, .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-hydroxypoly(oxy-1,2-ethanediyl)] and .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)]] | Active | FRI XU |
| 103358-63-0 | Hexanedioic acid, polymer with 1,4-butanediol, 1,1'-methylenebis[4-isocyanatobenzene] and 3-methyl-1,5-pentanediol | Active | XU |
| 120611-31-6 | 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,5-dimethyl pentanedioate, 1,2-propanediol and 1,2,3-propanetriol | Active | XU |
| 123701-48-4 | 1,3-Benzenedicarboxylic acid, polymer with 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,1'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis[2-propanol] and 2,2'-oxybis[ethanol] | Active | XU |
| 124382-55-4 | 1,3-Benzenedicarboxylic acid, 5-sulfo-, sodium salt (1:1), polymer with 1,3-benzenedicarboxylic acid, 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate | Active | XU |
| 125542-70-3 | Benzoic acid, 2-hydroxy-, homopolymer, acetate | Active | XU |
| 125594-45-8 | 2-Propenoic acid, polymer with ethenylbenzene and (1-methylethenyl)benzene, 2-(2-ethoxyethoxy)ethyl ester, ammonium salt | Active | XU |
| 125594-57-2 | 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, hexanedioic acid, 1,3-isobenzofurandione and 2,2,4-trimethyl-1,3-pentanediol | Active | XU |
| 125613-48-1 | 1,4-Benzenedicarboxylic acid, polymer with (2E)-2-butenedioic acid, 1,2-ethanediol, [(1-methyl-1,2-ethanediyl)bis(oxy)]bis[propanol], 2,2'-oxybis[ethanol] and oxybis[propanol] | Active | XU |
| 129811-24-1 | 2-Propenoic acid, polymer with ethenylbenzene and (1-methylethenyl)benzene, sodium salt | Active | XU |
| 130800-24-7 | 2-Propenoic acid, telomer with 2-propanol and sodium 2-methyl-2-[(1-oxo-2-propen-1-yl)amino]-1-propanesulfonate (1:1), sodium salt | Active | XU |
| 131794-66-6 | 2,5-Furandione, polymer with 1,2-ethanediol, oxybis[propanol] and 1,2-propanediol | Active | XU |
| 132674-74-9 | 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, hexanedioic acid and 2-methyl-1,3-propanediol | Active | XU |
| 132674-75-0 | 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, hexanedioic acid, 1,6-hexanediol and 2-methyl-1,3-propanediol | Active | XU |
| 132699-78-6 | 1,4-Benzenedicarboxylic acid, polymer with [1,1'-biphenyl]-4,4'-diol, 4-hydroxybenzoic acid and 6-hydroxy-2-naphthalenecarboxylic acid, acetate, potassium salt | Active | XU |
| 136016-63-2 | Butanoic acid, 3-oxo-, 1-[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl] ester, polymer with butyl 2-propenoate, ethenylbenzene, 2-hydroxyethyl 2-propenoate and methyl 2-methyl-2-propenoate | Active | XU |
| 136155-46-9 | Hexanedioic acid, polymer with 1,2-propanediol, decyl octyl ester | Active | XU |
| 136186-52-2 | 2-Propenoic acid, polymer with ethenylbenzene and (1-methylethenyl)benzene, 2-(2-ethoxyethoxy)ethyl ester, sodium salt | Active | XU |
| 141091-72-7 | 2-Propenoic acid, 2-methyl-, methyl ester, polymer with potassium 2-methyl-2-propenoate (1:1) and 2-sulfoethyl 2-methyl-2-propenoate sodium salt (1:1) | Active | XU |
| 141274-59-1 | Hexanedioic acid, polymer with 1,3-bis(1-isocyanato-1-methylethyl)benzene, 2,2-dimethyl-1,3-propanediol, 1,6-hexanediol and 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, compd. with N,N-diethylethanamine | Active | XU |
| 141377-72-2 | Nonanedioic acid, polymer with 1,4-cyclohexanedicarboxylic acid, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,6-hexanediol | Active | XU |
| 1431162-09-2 | Dodecanedioic acid, polymer with 1,3-diisocyanatomethylbenzene, hexanedioic acid and 1,6-hexanediol | Active | XU |
| 143472-09-7 | Propanol, oxybis-, polymer with 2,5-furandione and 2,2'-oxybis[ethanol] | Active | XU |
From the EPA non-confidential TSCA Inventory, July 2026 release. EPA also maintains a confidential portion it does not publish, so a substance absent from this data is not thereby unflagged.