Substances under the Chemical Substances Control Law

Class I specified chemical substance

Class I Specified Chemical Substances are substances that are persistent, are highly bioaccumulative, and have a risk of long-term toxicity 
to humans or predator animals at higher trophic level, and are specified by the Cabinet Order 
(Order for enforcement of the Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc.). 


1 - 33 of  33 total Results  / 1     Results per page Display

Cabinet Order No. * Class I Specified Chemical Substance Name
1 Polychlorinated biphenyls
2 Polychlorinated naphthalenes (only those containing 2 or more chlorine atoms in the molecule)
3 Hexachlorobenzene
4 1,2,3,4,10,10-Hexachloro-1,4,4a,5,8,8a-hexahydro-exo-1,4-endo-5,8-dimethanonaphthalene (Synonym: Aldrin)
5 1,2,3,4,10,10-Hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-exo-1,4-endo-5,8-dimethanonaphthalene (Synonym: Dieldrin)
6 1,2,3,4,10,10-Hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a-octahydro-endo-1,4-endo-5,8-dimethanonaphthalene (Synonym: Endrin)
7 1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane (Synonym: DDT)
8 1,2,4,5,6,7,8,8-Octachloro-2,3,3a,4,7,7a-hexahydro-4,7-methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-4,7-methano-1H-indene and their analogous compounds (Synonym: Chlordane or Heptachlor)
9 Bis(tributyltin) oxide
10 N,N'-Ditolyl-p-phenylenediamine, N-Tolyl-N'-xylyl-p-phenylenediamine, or N,N'-Dixylyl-p-phenylenediamine
11 2,4,6-tri-tert-butylphenol
12 Polychloro-2,2-dimethyl-3-methylidenebicyclo[2.2.1]heptane (Synonym: Toxaphene)
13 Dodecachloropentacyclo[5.3.0.0(2,6).0(3,9).0(4,8)]decane (Synonym: Mirex)
14 2,2,2-trichloro-1,1-bis(4-chlorophenyl)ethanol (Synonym: Kelthane or Dicofol)
15 hexachlorobuta-1,3-diene
16 2-(2H-1,2,3-Benzotriazol-2-yl)-4,6-di-tert-butylphenol
17 Perfluoro(octane-1-sulfonic acid) (Synonym: PFOS) or its salts
18 Perfluoro(octane-1-sulfonyl) fluoride (Synonym: PFOSF)
19 Pentachlorobenzene
20 r-1,c-2,t-3,c-4,t-5,t-6-Hexachlorocyclohexane (Synonym: alpha-Hexachlorocyclohexane)
21 r-1,t-2,c-3,t-4,c-5,t-6-Hexachlorocyclohexane (Synonym: beta-Hexachlorocyclohexane)
22 r-1,c-2,t-3,c-4,c-5,t-6-Hexachlorocyclohexane (Synonym: gamma-Hexachlorocyclohexane or Lindane)
23 Decachloropentacyclo[5.3.0.0(2,6).0(3,9).0(4,8)]decan-5-one (Synonym: Chlordecone)
24 Hexabromobiphenyl
25 Tetrabromo(phenoxybenzene) (Synonym: Tetrabromodiphenyl ether)
26 Pentabromo(phenoxybenzene) (Synonym: Pentabromodiphenyl ether)
27 Hexabromo(phenoxybenzene) (Synonym: Hexabromodiphenyl ether)
28 Heptabromo(phenoxybenzene) (Synonym: Heptabromodiphenyl ether)
29 6,7,8,9,10,10-Hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepin-3-oxide (synonym: Endosulfan or Benzoepin)
30 Hexabromocyclododecane
31 Pentachlorophenol, its salts or esters
32 Polychlorinated normal paraffin (It is limited that the number of carbon is 10 to 13 and the content of chlorine is more than 48% of the total weight.)
33 1,1'-Oxybis(2,3,4,5,6-pentabromobenzene) (synonym: Decabromodiphenyl ether)
Cabinet Order No. * Class I Specified Chemical Substance Name

1 - 33 of  33 total Results  / 1     Results per page Display


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