Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
75-56-9 2-219 2-Methyloxirane


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Canceled - Priority Assessment Chemical Substances  20  1,2-Epoxypropane (synonym: Propylene oxide)  2016/03/28   
Existing chemical substances  -  Propylene oxide     
Type II Monitoring Chemical Substances (before amendment in FY 2009)  1023  1,2-Epoxypropane (synonym: Propylene 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
2022 3 1 High 4 3 Medium Assessment has been conducted by the serial number of Canceled - Priority Assessment Chemical Substances.
2021 3 1 High 4 3 Medium Assessment has been conducted by the serial number of Canceled - Priority Assessment Chemical Substances.
2020 3 1 High 4 3 Medium Assessment has been conducted by the serial number of Canceled - Priority Assessment Chemical Substances.
2019 3 1 High 4 3 Medium Assessment has been conducted by the serial number of Canceled - Priority Assessment Chemical Substances.
2018 3 2 High 4 3 Medium Assessment has been conducted by the serial number of Canceled - Priority Assessment Chemical Substances.
2017 3 - - 3 - - Assessment has been conducted by the serial number of Canceled - Priority Assessment Chemical Substances.
2016 4 3 Medium Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2015 4 3 Medium Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2014 4 3 Medium Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2010 1 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
Canceled PACS  2016/03/28  20  2-219  1,2-Epoxypropane (synonym: Propylene oxide)
PACS  2011/04/01  20  2-219  1,2-Epoxypropane (synonym: Propylene oxide) 
Human health effect:x
Ecological effect:
detailed assessment by experts for:


No. 20

Risk Assessment Phase 1-Ⅱ, 1-Ⅲ

publication date Status of risk assessment publication source Remarks
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
75-56-9 methyloxirane 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
2021 2-219 Propylene oxide General chemical substance 300,000 - < 400,000
2020 2-219 Propylene oxide General chemical substance 300,000 - < 400,000
2019 2-219 Propylene oxide General chemical substance 200,000 - < 300,000
2018 2-219 Propylene oxide General chemical substance 300,000 - < 400,000
2017 2-219 Propylene oxide General chemical substance 300,000 - < 400,000
2016 2-219 Propylene oxide General chemical substance 300,000 - < 400,000
2015 2-219 Propylene oxide General chemical substance 300,000 - < 400,000
2014 2-219 20 1,2-Epoxypropane (synonym: Propylene oxide) Priority Assessment Chemical Substances (PACSs) 443,986
2013 2-219 20 1,2-Epoxypropane (synonym: Propylene oxide) Priority Assessment Chemical Substances (PACSs) 449,777
2012 2-219 20 1,2-Epoxypropane (synonym: Propylene oxide) Priority Assessment Chemical Substances (PACSs) 387,562


Published information

publication source publication date Chemical Substance Name Published Result Judgement Remarks
Official Bulletin of Ministry of International Trade and Industry 1988/12/28 1,2-epoxypropane Chemical substance determinated to be ready biodegradable




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