Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
105-60-2 5-1097 Azepan-2-one


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  82  epsilon-Caprolactam  2011/04/01   
Existing chemical substances  -  .epsilon.-caprolactam     
Type II Monitoring Chemical Substances (before amendment in FY 2009)  1096  epsilon-Caprolactam  2010/04/01   


Screening Info

Publication year Human health effect Ecological effect Detailed assessment by experts Remarks
Exposure Class Hazard Class Priority Exposure Class Hazard Class Priority
2024 - - - 4 4 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2023 - - - 4 4 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2022 - - - 4 4 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2021 - - - 4 4 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2020 4 4 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2019 3 4 Medium Result of review of the exposure class by PRTR emissions, the exposure classes of ecological effect have been reviewed. Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2018 3 4 Medium Result of review of the exposure class by PRTR emissions, the exposure classes of ecological effect have been reviewed. Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2017 3 4 Medium Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2016 3 4 Medium Result of review of the exposure class by PRTR emissions, the exposure classes of ecological effect have been reviewed. Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2015 3 4 Medium Result of review of the exposure class by PRTR emissions, the exposure classes of ecological effect have been reviewed. Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2010 3 2 High - - - Assessment has been conducted by the serial number of Type II Monitoring Chemical Substance (before amendment).


Remarks


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
PACS  2011/04/01  82  5-1097  epsilon-Caprolactam 
Human health effect:x
Ecological effect:
detailed assessment by experts for:


No. 82

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2025/04/01 Risk Assessment Phase 1-I (human health effect)
2024/04/01 Risk Assessment Phase 1-I (human health effect)
2023/04/01 Risk Assessment Phase 1-I (human health effect)
2022/04/01 Risk Assessment Phase 1-I (human health effect)
2021/04/01 Risk Assessment Phase 1-I (human health effect)
2020/04/01 Risk Assessment Phase 1-I (human health effect)
2019/04/01 Risk Assessment Phase 1-I (human health effect)
2018/03/22 Risk Assessment Phase 1-I (human health effect)
2016/12/27 Risk Assessment Phase 1-I (human health effect)
2015/11/26 Risk Assessment Phase 1-I
2014/07/31 Risk Assessment Phase 1-I





Other information

The list of high priority chemicals

CAS RN Chemical Substance Name(Reference) International Status of Collection Plan and report of sponsors Remarks
105-60-2 epsilon-caprolactam OECD HPV Program Assessed

Manufactured and/or imported quantities

Fiscal year MITI Number Registration No. Chemical Substance Name Classification Manufactured and/or imported quantities (t) Remarks
2023 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 102,824
2022 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 164,201
2021 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 228,130
2020 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 222,838
2019 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 198,814
2018 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 191,520
2017 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 198,501
2016 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 204,218
2015 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 229,901
2014 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 271,749
2013 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 348,972
2012 5-1097 82 epsilon-Caprolactam Priority Assessment Chemical Substances (PACSs) 306,431


Published information

publication source publication date Chemical Substance Name Published Result Judgement Remarks
Official Bulletin of Ministry of International Trade and Industry 1983/12/28 epsilon-caprolactam Chemical substance determinated to be ready biodegradable




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