Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
120-80-9 3-543 Pyrocatechol


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  65  Pyrocatechol (synonym: Catechol)  2011/04/01   
Existing chemical substances  Dihydroxybenzene     
Type II Monitoring Chemical Substances (before amendment in FY 2009)  1071  Pyrocatechol (synonym: Catechol)  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 - - - Out of classification 2 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2021 - - - Out of classification 2 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2020 Out of classification 2 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2019 Out of classification 2 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2018 Out of classification 2 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2017 5 2 Medium Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2016 Out of classification 2 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2010 5 2 Medium - - - Result of detailed assessment by experts on human health effect, it has been selected as Priority Assessment Chemical Substances (PACSs). 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  65  3-543  Pyrocatechol (synonym: Catechol)
Human health effect:x
Ecological effect:
detailed assessment by experts for:Human health effect


No. 65

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2023/04/01 Risk Assessment Phase 1-I (human health effect)
2022/04/01 Risk Assessment Phase 1-I (human health effect)
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
120-80-9 pyrocatechol 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 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,611
2020 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,657
2019 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,745
2018 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 4,398
2017 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,325
2016 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,331
2015 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,535
2014 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,519
2013 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,401
2012 3-543 65 Pyrocatechol (synonym: Catechol) Priority Assessment Chemical Substances (PACSs) 3,251


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 pyrocatechol Chemical substance determinated to be ready biodegradable




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