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18 Oct. 2021, China MEE announced that 23 substances have fulfilled the requirements for IECSC supplementation and will be managed as existing chemical substances.

CIRS warmly reminds that related enterprises must make sure whether their substances are existing substances. The Provisions require enterprises to complete new substance registration/record before manufacturing or importing, or they may face various punishments. To find whether the substance is existing substance, please search CIRS APCISS system.

Detailed information of the 23 substances:

SN	Name	Alias	Mole cular Formula	CAS No. or S wift No.
1.	2-(4-Chlorophenyl)-3- methylbutyryl chloride	α-Isopropyl-p- chlorophenylacetyl chloride; 3-Methyl-2-(4-chlorophenyl) butyryl chloride	C11H12Cl2O	51631-50-6
2.	Hexadecylsulphonic acid sodium salt	1-Hexadecanesulphonic acid sodium salt	C16H33NaO3S	15015-81-3
3.	Ethanone, 1-(2,4-dichloro- 5-fluorophenyl)-	2,4-Dichloro-5-fluoro acetophenone	C8H5Cl2FO	704-10-9
4.	Benzoyl chloride, 2,3,4,5-tetrafluoro-	2,3,4,5-Tetrafluorobenzoyl chloride	C7HClF4O	94695-48-4
5.	Bismuth citrate	Bismuth(3+) citrate	C6H5O7Bi	813-93-4
6.	Tetraethyl orthocarbonate	1,1',1'',1'''- [methanetetrayltetrakis(oxy)] tetrakis-ethane	C9H20O4	78-09-1
7.	Sodium tert-pentoxide		C5H11NaO	14593-46-5
8.	DL-4-Chlorophenylglycine	(+/-)-4-Chlorophenylglycine	C8H8ClNO2	6212-33-5
9.	2-Bromo-4-butanolide	2-Bromo-γ-butanolide	C4H5BrO2	5061-21-2
10.	4-Carboxybenzenesulfonamide	Carzenide	C7H7NO4S	138-41-0
11.	2-Chloro-4- methylsulphonylbenzoic acid	2-Chloro-4- (methylsulfonyl)benzoic acid	C8H7ClO4S	53250-83-2
12.	Guanidine sulfamate		CH8N4SO3	51528-20-2
13.	2-Chloro-6-fluorobenzyl chloride	alpha, 2-Dichloro-6-fluorotoluene; 2-Chloro-6-fluorochlorobenzyl; 1-Chloro-2-(chloromethyl)-3- fluorobenzene	C7H5Cl2F	55117-15-2
14.	Divanadium tris (sulfate)		V2(SO4)3	13701-70-7
15.	2-Ethoxypropene		C5H10O	926-66-9
16.	Boron trifluoride acetonitrile complex	Boron trifluoride acetonitrile	C2H3NBF3	420-16-6
17.	Salicylhydroxamic acid	N,2-dihydroxybenzamide; BY-9	C7H7NO3	89-73-6
18.	2,2,3,3,4,4,5,5-Octafluoro-1-pentanol	1H,1H,5H-Octafluoro-1-pentanol	C5H4F8O	355-80-6
19.	Iron oxide (Fe2O3), mixed with silica, calcined	Pigment Si-Fe-238-455-4		1353091-50-5
20.	2,3,5-Trimethylpyridine	2,3,5-Collidine	C8H11N	695-98-7
21.	Tetraterbium heptaoxide	Terbium(III,IV) oxide	Tb4O7	12037-01-3
22.	Magnesium peroxide		MgO2	1335-26-8
23.	α-(2,4-Dichlorophenyl)-1H-imidazole-1-ethanol	Imidazole ethanol	C11H10Cl2N2O	24155-42-8

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Further Information

MEE Notice on the Supplementation of 23 Substances into IECSC

Inventory of Existing Chemical Substances in China (2013 and updating)

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23 Substances Supplemented into China Existing Substances Inventory