On 28 February, 2026 Ministry of Ecology and Environment of the People's Republic of China This public notice announces the review results and proposed approval of 12 applications for simplified registration certificates for the environmental management of new chemical substances in the fourth batch of 2026, in accordance with the Measures for the Environmental Management Registration of New Chemical Substances (Order No. 12 of the Ministry of Ecology and Environment). The public notice period is from February 28, 2026, to March 3, 2026.
Below is the list of the proposed approvals in strictly English, with each chemical name and its activity type on individual lines:
1. N-(difluorophosphine)-sulfonyl fluorine amino lithium (1:1) Activity type: Import
2. N-[5-(acetamido)-4-[2-(5-fluoro-2,4-dinitrophenyl)azo]-2-methoxyphenyl]-N-ethyl-β-alanine methyl ester Activity type: Import
3. 1,4-Diethyl 2-methyl-succinic acid didehydrogen derivative Activity type: Import
4. (5S,8S,11S,14S,17S,20S,23S,26S)-8-benzyl-14,26-bis(3-(tert-butoxy)-3-oxopropyl)-17-(4-(tert-butoxy)benzyl)-11-((S)-sec-butyl)-1-(9H-fluorene-9-yl)-20,23-diisobutyl-5-methyl-3,6,9,12,15,18,21,24,27-nonoxy-2-oxa-4,7,10,13,16,19,22,25,28-nonazatriane-30-acid Activity type: Production
5. 3,3,3',3'-Tetramethyl-1,1'-polycyclic-6,6'-diol Activity type: Import
6. 5-Amino-1H-tetrazole monosodium salt Activity type: Production
7. The reaction product of 4,4'-(9H-fluorene-9-ylidene)bis[2-methylphenol] and (chloromethyl)vinylbenzene Activity type: Import
8. Polyhalogenated-[polyhalogenated-(polyhalogenated-alkoxy)alkoxy]alkylammonium salts Activity type: Production
9. N,N′′-[(1S,2E,4S)-1,4-bis(phenylmethyl)-2-buten-1,4-diyl]bis[N′,N′-dimethylsulfonamide] Activity type: Production
10. Carbamoyl-alkyl-oxo-diazabicycloalkenyltetraalkylammonium sulfate Activity type: Production
11. Carbamoyl-alkyl-oxo-diazabicycloalkenyltetraalkylammonium sulfate Activity type: Production
12. Carbamoyl-alkyl-oxo-diazabicycloalkenyltetraalkylammonium sulfate Activity type: Production

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Ministry of Ecology and Environment; Environmental Management Registration; New Chemicals; N-(difluorophosphine)-sulfonyl fluorine amino lithium