EPA Sets SNURs for 24 Chemicals
The Environmental Protection Agency published a final rule Dec. 18 setting new significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 24 chemical substances subject to Premanufacture Notices (PMNs). As a result of the SNURs, persons planning to manufacture, import or process any of the chemical substances for an activity designated as a significant new use by this rule are required to notify EPA at least 90 days in advance. Importers of chemicals subject to these SNURs will need to certify their compliance with the SNUR requirements, and exporters of these chemical substances will now become subject to export notification requirements. The final rule takes effect Feb. 16. The SNURs cover the following:
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- Quaternary ammonium salt of polyisobutene succinic acid (generic)
- 2-Propenoic acid, 2-alkyl-, 2-(dialkylamino)alkyl ester, polymer with .alpha.-(2-alkyl-1-oxo-2-alken-1-yl)-.omega.-methoxypoly(oxy-1,2-alkanediyl) (generic)
- Alkanedioic acid, polymer with cycloalkyl dimethanol, alkyl and cycloalkyl diisocyanates, dimethyl-alkanediol, dihydroxyalkanoic acid methylenebis[isocyanatocyclohexane], hydroxyethyl acrylate- and polyalkyl glycol monoalkyl ether blocked (generic)
- Poly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1′-methylenebis[4-isocyanatobenzene], caprolactam-blocked
- Tall-oil pitch, fraction, sterol-low (generic)
- Carboxylic acid, reaction products with metal hydroxide, inorganic dioxide and metal (generic)
- Multi-walled carbon nanotubes; closed; 4.4–12.8 nm diameter; bundle length 10.6–211.1 µm; Grade: Jenotube 6
- Multi-walled carbon nanotubes; closed; 5.1–11.6 nm diameter; bundle length 1.9–552.0 µm; Grade: Jenotube 8
- Multi-walled carbon nanotubes; closed; 7.9–14.2 nm diameter; bundle length 9.4–106.4 µm; Grade: Jenotube 10
- Multi-walled carbon nanotubes; closed; 17.0–34.7 nm diameter; globular shape; Grade: Jenotube 20
- Nonanamide, N,N-dimethyl-
- 2-Propenoic acid, 2-methyl, 2-(dimethylamino)ethyl ester, polymers with 2-(C16–18-acylamino)ethyl acrylate and hydroxyalkyl acrylate, acetates (generic)
- 2H-Pyran, tetrahydro-4-methyl
- Organic acid ester, polymer with aliphatic diols and 1,1′-methylenebis[4-isocyanatobenzene] (generic)
- 4,4-Methylenebis (2,6-dimethyl phenol) polymer with 2-(chloromethyl)oxirane, 1,4-benzenediol, 2-methyl-2-propenoic acid, mixed alkyl substituted 2-methyl 2-propenoate, and ethyl 2-propenoate, reaction products with 2-(dimethylamino) ethanol (generic)
- Phenol, methylethylidene, polymer chloromethyl epoxide and methylethylidene bis-oxy, bis-amine (generic)
- Amine, methylethylidenebis(oxy) (generic)
- Carbamic acid, N-[3-(trialkoxysilyl)propyl]-, C,C′-[2,2,4(or 2,4,4)-trimethyl-1,6-hexanediyl] ester (generic)
- Arylfurandione, [bis(trihaloalkyl)alkylidene]bis-, polymer with alkanediamine (generic)
- Phosphonic acid, dimethyl ester, reaction products with alkyl-alkyl-alkanediol and alkanediol (generic)
- Silane, halogenated (generic)
- Heteromonocycle, polymer, substituted aliphatic carbamate, [2-[(1-oxo-2-propen-1-yl)oxy]alkyl]ester (generic)
- Alkanes, C4-8-branched and linear
- 5H-1,2-Oxathiole, 2,2-dioxide.