"On 19 May 2025, the Australian Executive Director amended the Inventory listing for the industrial chemical CAS Number 1617515-18-0 after revoking approval for its proper name to be treated as confidential business information (CBI). The chemical is now publicly named as: - Ethanaminium, N,N,N-trimethyl-2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]-, chloride (1:1), polymer with butyl 2-propenoate, 2-(dimethylamino)ethyl 2-methyl-2-propenoate, N-[3-(dimethylamino)propyl]-2-methyl-2-propenamide, 1,1-dimethylethyl 2-methyl-2-propenoate and ethenylbenzene. - Its molecular formula is (C₉H₁₈N₂O·C₉H₁₈NO₂·C₈H₁₅NO₂·C₈H₁₄O₂·C₈H₈·C₇H₁₂O₂·Cl)ₓ. As per regulatory requirements, information obligations apply: any importer or manufacturer must notify the authority within 28 days if the introduction conditions differ from those in the original assessment."

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