Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
78-93-3 2-542 2-Butanone


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Canceled - Priority Assessment Chemical Substances  115  Methyl ethyl ketone  2022/03/31   
Existing chemical substances  Alkyl(C=1-16) methyl ketone     


Screening Info

Publication year Human health effect Ecological effect Detailed assessment by experts Remarks
Exposure Class Hazard Class Priority Exposure Class Hazard Class Priority
2020 4 Out of classification Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2019 4 Out of classification Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2018 4 Out of classification Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2017 4 Out of classification Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2016 4 Out of classification Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2015 3 Out of classification Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2012 1 4 High 4 - - Assessment has been conducted by the CAS RN.


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  2022/03/31  115  2-542  Methyl ethyl ketone
PACS  2012/12/21  115  2-542  Methyl ethyl ketone
Human health effect:x
Ecological effect:
detailed assessment by experts for:


No. 115

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
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
78-93-3 butanone 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
2020 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 234,130
2019 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 275,813
2018 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 223,993
2017 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 272,418
2016 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 229,630
2015 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 246,332
2014 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 205,008
2013 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 235,147
2012 2-542 115 Methyl ethyl ketone Priority Assessment Chemical Substances (PACSs) 200,371


Published information

publication source publication date Chemical Substance Name Published Result Judgement Remarks
Committees, etc. of Ministry of Health, Labour and Welfare, Ministry of Economy, Trade and Industry, and Ministry of the Environment 2012/07/27 2-Butanone Readily biodegradable Biodegradability was estimated by comparing with analogues.




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