Y2: 1984 polyester exemption
Indicates a polymer that is a polyester and that was exempt under the 1984 polymer exemption rule. The polyester is made only from reactants included in a specified list of low-concern reactants.
10 substances carry it in the July 2026 release, of which 4 are designated active.
What it obliges
Nothing directly. It records the basis on which the polyester entered the Inventory.
Substances carrying Y2
Showing 10 of 10, active substances first. Search the full Inventory for a specific one.
| CAS number | Substance | Status | Other flags |
|---|---|---|---|
| 133749-90-3 | 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol and 1,2-propanediol | Active | FRI XU |
| 148617-62-3 | Fatty acids, coco, polymers with glycerol, isophthalic acid, pentaerythritol and trimethylolpropane | Active | XU UVCB |
| 66027-02-9 | 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,4-butanediol and hexanedioic acid | Active | PMN XU |
| 127646-43-9 | 1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and hexanedioic acid, dodecanoate | Active | XU |
| 109961-37-7 | Fatty acids, tall-oil, polymers with benzoic acid, neopentyl glycol, phthalic acid and trimethylolpropane | Inactive | FRI XU UVCB |
| 109961-38-8 | Fatty acids, tall-oil, polymers with benzoic acid, phthalic acid and trimethylolpropane | Inactive | FRI XU UVCB |
| 111353-94-7 | Fatty acids, vegetable-oil, polymers with benzoic acid, glycerol, neopentyl glycol, phthalic acid and trimethylolpropane | Inactive | FRI XU UVCB |
| 99770-01-1 | Silsesquioxanes, Ph Pr, polymers with adipic acid, isophthalic acid, neopentyl glycol, terephthalic acid and trimethylolpropane | Inactive | FRI XU UVCB |
| 97375-47-8 | 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, (2E)-2-butenedioic acid, 2,2-dimethyl-1,3-propanediol, 2-(hydroxymethyl)-2-methyl-1,3-propanediol and 1,2-propanediol | Inactive | FRI XU |
| 103849-43-0 | Hexanedioic acid, polymer with 1,3-butanediol and 2,2-dimethyl-1,3-propanediol | Inactive | 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.