Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
75-21-8 2-218 Oxirane


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  19  Ethylene oxide  2011/04/01   
Existing chemical substances  -  Ethylene oxide     
Type II Monitoring Chemical Substances (before amendment in FY 2009)  1022  Ethylene oxide  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
2014 3 2 High Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2010 2 1 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  19  2-218  Ethylene oxide 
Human health effect:x
Ecological effect:x (2014/11/28)
detailed assessment by experts for:


No. 19

Risk Assessment Phase 1-I

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

Risk Assessment Phase 1-Ⅱ, 1-Ⅲ

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






Other information

The list of high priority chemicals

CAS RN Chemical Substance Name(Reference) International Status of Collection Plan and report of sponsors Remarks
75-21-8 ethylene oxide ICCA Plans Collection Data

Manufactured and/or imported quantities

Fiscal year MITI Number Registration No. Chemical Substance Name Classification Manufactured and/or imported quantities (t) Remarks
2022 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 270,035
2021 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 305,319
2020 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 262,105
2019 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 270,512
2018 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 298,675
2017 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 304,073
2016 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 285,429
2015 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 282,606
2014 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 221,049
2013 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 290,848
2012 2-218 19 Ethylene oxide Priority Assessment Chemical Substances (PACSs) 279,174


Published information

publication source publication date Chemical Substance Name Published Result Judgement Remarks
Official Bulletin of Ministry of International Trade and Industry 1995/12/28 ethylene oxide Chemical substance determinated to be ready biodegradable




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