Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
128-37-0 9-1805 2,6-Di-tert-butyl-4-methylphenol


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  64  2,6-Di-tert-butyl-4-methylphenol  2011/04/01   
Existing chemical substances  -  Reaction product from p-cresol and isobutylene     
Type III Monitoring Chemical Substances (before amendment in FY 2009)  135  2,6-Di-tert-butyl-4-methylphenol  2009/08/31   


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 4 3 Medium - - - Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2021 4 3 Medium - - - Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2020 4 3 Medium 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 4 3 Medium 4 - - 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).
2015 4 3 Medium 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 III 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  64  9-1805  2,6-Di-tert-butyl-4-methylphenol 
Human health effect:
Ecological effect:x
detailed assessment by experts for:


No. 64

Risk Assessment Phase 1-Ⅱ, 1-Ⅲ

publication date Status of risk assessment publication source Remarks
2023/04/01 Risk Assessment Phase 1-II (ecological effect)
2022/04/01 Risk Assessment Phase 1-II (ecological effect)
2021/04/01 Risk Assessment Phase 1-II (ecological effect)
2020/04/01 Risk Assessment Phase 1-II (ecological effect)
2019/04/01 Risk Assessment Phase 1-II (ecological effect)
2018/03/22 Risk Assessment Phase 1-II (ecological effect)
2016/12/27 Risk Assessment Phase 1-II (ecological effect)
2014/07/31 Risk Assessment Phase 1-II (ecological 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
128-37-0 2,6-di-tert-butyl-p-cresol 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 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 7,896 MITI number: 3-540, 9-1805
2020 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 6,918 MITI number: 3-540, 9-1805
2019 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 7,262 MITI number: 3-540, 9-1805
2018 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 7,157 MITI number: 3-540, 9-1805
2017 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 6,112 MITI number: 3-540, 9-1805
2016 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 5,696 MITI number: 3-540, 9-1805
2015 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 5,730 MITI number: 3-540, 9-1805
2014 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 6,318 MITI number: 3-540, 9-1805
2013 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 4,752 MITI number: 3-540, 9-1805
2012 9-1805 64 2,6-Di-tert-butyl-4-methylphenol Priority Assessment Chemical Substances (PACSs) 5,433 MITI number: 3-540, 9-1805


Published information

publication source publication date Chemical Substance Name Published Result Judgement Remarks
Official Bulletin of Ministry of International Trade and Industry 1979/12/20 2,6-di-tert-butyl-p-cresol Chemical substance determinated to be moderately bioaccumulative




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