Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
78-84-2 2-494 Isobutyraldehyde


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Canceled - Priority Assessment Chemical Substances  111  Isobutyraldehyde  2022/03/31   
Existing chemical substances  -  Alkanal(C=4-19)     
Type II Monitoring Chemical Substances (before amendment in FY 2009)  1032  Isobutyraldehyde  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
2023 4 4 Low 5 3 Low Assessment has been conducted by the serial number of Canceled - Priority Assessment Chemical Substances.
2021 - - - 5 3 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2020 5 3 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2019 4 3 Medium Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2018 5 3 Low Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2017 4 3 Medium Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2016 3 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).
2012 3 2 High 5 - - Assessment has been conducted by the serial number of Type II Monitoring Chemical Substance (before amendment).
2010 4 2 Medium - - - 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  2022/03/31  111  2-494  Isobutyraldehyde
PACS  2012/12/21  111  2-494  Isobutyraldehyde 
Human health effect:x
Ecological effect:
detailed assessment by experts for:


No. 111

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
78-84-2 isobutyraldehyde 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
2022 2-494 Alkanal(C=4-19) General chemical substance 40,000 - < 50,000
2021 2-494 Alkanal(C=4-19) General chemical substance 50,000 - < 60,000
2020 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 32,510
2019 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 36,872
2018 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 45,546
2017 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 33,720
2016 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 31,697
2015 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 33,238
2014 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 37,134
2013 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 33,518
2012 2-494 111 Isobutyraldehyde Priority Assessment Chemical Substances (PACSs) 31,562


Published information

publication source publication date Chemical Substance Name Published Result Judgement Remarks
Official Bulletin of Ministry of International Trade and Industry 1980/12/25 2-methylpropanal Chemical substance determinated to be ready biodegradable




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