Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
94158-10-8 - Benzyl(hexadecyl)dimethylammonium, salt with 5-chloro-2-(2,4-dichlorophenoxy)phenol (1:1) -


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  184  Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium  2015/04/01   
Canceled - Priority Assessment Chemical Substances  211  5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan)  2021/03/31   


Information of Priority Assessment Chemical Substance

Information of designation

Classification Designated date No. MITI No. Name of Priority Assessment Chemical Substance Rationale for designation Remarks
Canceled PACS  2021/03/31  211    5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan)
PACS  2016/04/01  211    5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan) 
Human health effect:
Ecological effect:X
detailed assessment by experts for:
PACS  2015/04/01  184    Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium 
Human health effect:
Ecological effect:x
detailed assessment by experts for:


No. 211

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2020/04/01 Risk Assessment Phase 1-I (ecological effect)
2019/04/01 Risk Assessment Phase 1-I (ecological effect)

No. 184

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2018/03/22 Risk Assessment Phase 1-II (ecological effect)

Risk Assessment Phase 1-Ⅱ, 1-Ⅲ

publication date Status of risk assessment publication source Remarks
2023/04/01 Risk Assessment Phase 1-II (ecological effect)
2022/04/01 Risk Assessment Phase 1-II (ecological effect)
2021/04/01 Risk Assessment Phase 1-II (ecological effect)
2020/04/01 Risk Assessment Phase 1-II (ecological effect)
2019/04/01 Risk Assessment Phase 1-II (ecological effect)






Other information

Not regarded as a new chemical substance in "Implementation of the Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc."(operation notification ）
MITI number Chemical Substances Name Regulatory Classification Reference Article No. of CSCL Implementation Notice Remarks
3-2694 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances 184 / Existing chemical substances Combination 1
9-381 5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan) Canceled - Priority Assessment Chemical Substances 211 / Existing chemical substances / Type III Monitoring Chemical Substances (before amendment) Combination 1
3-2694 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances 184 / Existing chemical substances Combination 2
9-922 5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan) Canceled - Priority Assessment Chemical Substances 211 / Existing chemical substances / Type III Monitoring Chemical Substances (before amendment) Combination 2
3-326 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances 184 / Existing chemical substances Combination 3
9-381 5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan) Canceled - Priority Assessment Chemical Substances 211 / Existing chemical substances / Type III Monitoring Chemical Substances (before amendment) Combination 3
3-326 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances 184 / Existing chemical substances Combination 4
9-922 5-Chloro-2-(2,4-dichlorophenoxy)phenol (synonym: Triclosan) Canceled - Priority Assessment Chemical Substances 211 / Existing chemical substances / Type III Monitoring Chemical Substances (before amendment) Combination 4 
Indicated "combination" in case of more than one case of not treated as a new chemical substance.


Manufactured and/or imported quantities

Fiscal year MITI Number Registration No. Chemical Substance Name Classification Manufactured and/or imported quantities (t) Remarks
2021 3-326 184 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances (PACSs) 1,389 MITI number: 3-326, 3-2694
2020 3-326 184 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances (PACSs) 1,323 MITI number: 3-326, 3-2694
2019 3-326 184 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances (PACSs) 745 MITI number: 3-326, 3-2694
2018 3-326 184 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances (PACSs) 683 MITI number: 3-326, 3-2694
2017 3-326 184 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances (PACSs) 466 MITI number: 3-326, 3-2694
2016 3-326 184 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances (PACSs) 490 MITI number: 3-326, 3-2694
2015 3-326 184 Salt of alkyl(C=12-16)(benzyl)(dimethyl)ammonium Priority Assessment Chemical Substances (PACSs) 490 MITI number: 3-326, 3-2694


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