Substances under the Chemical Substances Control Law

Canceled - Priority Assessment Chemical Substances 

Chemical substances listed in this table are chemicals for which the designation for Priority Assessment Chemical Substances has been cancelled pursuant to the Article 11 of the Chemical Substances Control Law.

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1 - 67 of  67 total Results  / 1     Results per page Display

Registration No.* MITI No. Chemical Substance Name Date Remarks
7 2-36 Dichloromethane (synonym: Methylene chloride) 2017/03/30
9 2-39 Bromomethane (synonym: Methyl bromide) 2024/03/29
12 2-81 1,2-Dichloropropane 2017/03/30
13 2-102 Chloroethylene (synonym: Vinyl chloride) 2015/03/26
14 2-125 1,3-Dichloropropene (synonym: D-D) 2017/03/30
20 2-219 1,2-Epoxypropane (synonym: Propylene oxide) 2016/03/28
21 2-229 1,2-Epoxybutane 2022/03/31
27 2-680 N,N-Dimethylformamide 2025/03/31
29 2-798 Methyl dodecanoate 2023/03/31
30 2-814
2-827
2-2503		 N,N-Bis(2-hydroxyethyl)oleamide 2014/04/01 It is currently included in PACSs No. 173 (N,N-Bis(2-hydroxyethyl)alkanamide(C=8,10,12,14,16,18, normal chain), (Z)-N,N-bis(2-hydroxyethyl)octadec-9-enamide or (9Z,12Z)-N,N-bis(2-hydroxyethyl)octadeca-9,12-dienamide).
33 2-989 n-Butyl acrylate 2016/03/28
37 2-1276 Nitrilotriacetic acid 2024/03/29
44 2-3049 2-Methylpropan-2-ol (synonym: tert-Butyl alcohol) 2012/03/23
52 3-41 o-Dichlorobenzene 2023/03/31
57 3-186 o-Toluidine 2017/03/30 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
58 3-194 o-Chloroaniline 2022/03/31
61 3-446 Dinitrotoluene 2014/10/01
63 3-521
3-526		 2,4-Di-tert-pentylphenol 2014/10/01
72 4-40 4,4'-Diaminodiphenylmethane (synonym: 4,4'-Methylenedianiline) 2014/10/01
73 4-95
4-96
4-275		 4,4'-Diamino-3,3'-dichlorodiphenylmethane (synonym: 4,4'-Methylenebis(2-chloroaniline)) 2017/03/30 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
78 4-800 3,3'-Dichlorobenzidine 2014/10/01
79 4-1715 Mixture of bicyclo[2.2.1]heptane-2,5(or 2,6)-diyl dicyanide 2017/03/30 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
83 5-6268 Pyridine-triphenylborane(1/1) 2020/03/31
86 3-589
7-172		 alpha-(Nonylphenyl)-omega-hydroxypoly(oxyethylene) (synonym: Poly(oxyethylene) nonylphenyl ether) 2025/04/01
88 9-839 Cyclohex-1-ene-1,2-dicarboximidomethyl (1RS)-cis-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate (synonym: Tetramethrin) 2014/10/01
89 1-419 Hydrogen peroxide 2022/03/31
90 2-201 Methanol 2022/03/31
98 2-130 Ethylamine 2023/03/31
99 2-158 N,N-Dimethylpropane-1,3-diyldiamine 2020/03/31
100 2-176 N-Methyldidecan-1-ylamine 2017/03/30 It is redesignated as PACSs No. 238 on 2019/04/01
101 2-198 N,N-Dimethyldodecylamine N-oxide 2014/04/01 It is currently included in PACSs No. 169 (N,N-Dimethylalkan-1-amine oxide (C=10,12,14,16,18, normal chain), (Z)-N,N-dimethyloctadec-9-en-1-amine oxide or (9Z,12Z)-N,N-dimethyloctadeca-9,12-dien-1-amine oxide).
103 2-217 1-Octanol 2022/03/31 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
104 2-217 1-Dodecanol 2014/04/01 It is currently included in PACSs No. 171 (Alkanol(C=10-16) (only the substances that contain any of C=11-14 components)).
111 2-494 Isobutyraldehyde 2022/03/31
113 2-521 Acrolein 2017/03/30
114 2-542 Acetone 2022/03/31
115 2-542 Methyl ethyl ketone 2022/03/31
120 2-1277 Trisodium 2,2',2''-nitrilotriacetate 2013/12/20 It is currently included in PACSs No. 152 (Sodium salts of 2,2',2''-nitrilotriacetic acid).
121 2-2707
9-2027		 2-[(3-Dodecanamidopropan-1-yl)(dimethyl)ammonio]acetate 2014/04/01 (1)If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number. (2)It is currently included in PACSs No. 174 ( [(3-Alkanamido(C=8,10,12,14,16,18, normal chain)propyl)(dimethyl)ammonio]acetate or (Z)-{[3-(octadec-9-enamido)propyl](dimethyl)ammonio}acetate).
123 2-2936 (1-Hydroxyethane-1,1-diyl)diphosphonic acid 2017/04/03 It is currently included in PACSs No. 217 ((1-Hydroxyethane-1,1-diyl)diphosphonic acid or its potassium or sodium salt).
127 3-499
4-57		 o-Cresol 2013/12/20 It is currently included in PACSs No. 156 (Cresol).
128 3-1389 Benzyl benzoate 2023/03/31
129 3-2214 1,3-Diisocyanato(methyl)benzene 2025/03/31
130 3-2245
7-988
8-498		 (R)-4-Isopropenyl-1-methylcyclohex-1-ene; d-limonene 2018/03/30
141 5-6964 4-Bromo-2-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile 2017/03/30
142 1-129 Copper(I) thiocyanate 2022/03/31 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
154 3-31 Chlorobenzene 2022/03/31
155 3-186 p-Toluidine 2018/03/30
158 3-2211 2-sec-Butylphenyl N-methylcarbamate (synonym: Fenobucarb or BPMC) 2022/03/31
160 5-6110 2-tert-Butylamino-4-cyclopropylamino-6-methylthio-1,3,5-triazine 2024/03/29
181 2-1841 Manganese N,N'-ethylenebis(dithiocarbamate) (synonym: Maneb) 2020/03/31
183 2-3659 N-{3-[Octadecan(or hexadecan or tetradecan)amido]propyl}-N-methyl-2-[octadecanoyl(or hexadecanoyl or tetradecanoyl)oxy]ethylammonium chloride 2021/03/31
186 4-613 Camphene 2023/03/31
194 2-2956 1,1,1,3,3,3-Hexamethyldisiloxane 2022/03/31
195 2-635 Salts of [2-(dodecanoyloxy)ethyl](ethyl)(dimethyl)ammonium 2021/03/31
197 2-93 Chlorodifluoromethane 2023/03/31
198 3-194 m-Chloroaniline 2021/03/31
202 3-503 2-tert-Butylphenol 2021/03/31 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
210 9-1958 Sodium (alkyl(C=12, branched)phenoxy)benzenesulfonate (or sodium (alkyl(C=12, branched))(phenoxy)benzenesulfonate) 2017/04/03 It is currently included in PACSs No. 227 (Sodium (alkyl(C=12, branched chain))(alkyl(C=12, branched chain)phenoxy)benzenesulfonate (or sodium (alkyl(C=12, branched chain)phenoxy)benzenesulfonate or sodium (alkyl(C=12, branched chain))(phenoxy)benzenesulfonate or disodium (alkyl(C=12, branched cahin))[(alkyl(C=12, branched chain))(sulfonato)phenoxy]benzenesulfonate or disodium (alkyl(C=12, branched chain))(sulfonatophenoxy)benzenesulfonate)).
211 9-381
9-922		 5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan) 2021/03/31
215 2-1820 Tetramethylthiuram disulfide (synonym: Thiuram or Thiram) 2022/03/31
230 2-611 Potassium 2-ethylhexanoate 2025/03/31
237 2-139
2-143		 Trioctylamine 2024/03/29
243 2-2607 Salt of N,N-diethyl-N-methyl-2-[(2-methylprop-2-enoyl)oxy]ethan-1-aminium 2024/03/29
244 2-3231 Ethyl hydrogen sulfate 2025/03/31
255 4-95
4-96
4-275		 4,4'-Diamino-3,3'-dichlorodiphenylmethane (synonym: 4,4'-Methylenebis(2-chloroaniline)) 2025/03/31 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
256 4-1715 Mixture of bicyclo[2.2.1]heptane-2,5(or 2,6)-diyl dicyanide 2025/03/31 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
Registration No.* MITI No. Chemical Substance Name Date Remarks

1 - 67 of  67 total Results  / 1     Results per page Display


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