Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
78-59-1 3-2381 1,5,5-Trimethylcyclohexen-3-one


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  132  3,5,5-Trimethylcyclohex-2-en-1-one  2012/12/21   
Existing chemical substances  3,5,5-Trimethyl-2-cyclohexen-1-one     


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 Out of classification 4 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2019 Out of classification 4 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2018 Out of classification 4 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2017 Out of classification 4 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2016 Out of classification 4 Out of classification Assessment has been conducted by the serial number of Priority Assessment Chemical Substances (PACSs).
2012 3 2 High Out of classification - - 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
PACS  2012/12/21  132  3-2381  3,5,5-Trimethylcyclohex-2-en-1-one
Human health effect:x
Ecological effect:
detailed assessment by experts for:


No. 132

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
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
78-59-1 3,5,5-trimethylcyclohex-2-enone 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 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,469 MITI number: 3-2381, 3-2389
2019 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 2,271 MITI number: 3-2381, 3-2389
2018 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,878 MITI number: 3-2381, 3-2389
2017 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,653 MITI number: 3-2381, 3-2389
2016 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,773 MITI number: 3-2381, 3-2389
2015 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,717
2014 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,768 MITI number: 3-2381, 3-2389
2013 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,765 MITI number: 3-2381, 3-2389
2012 3-2381 132 3,5,5-Trimethylcyclohex-2-en-1-one Priority Assessment Chemical Substances (PACSs) 1,765 MITI number: 3-2381, 3-2389


Published information

publication source publication date Chemical Substance Name Published Result Judgement Remarks
Official Bulletin of Ministry of International Trade and Industry 1977/11/30 1,5,5-trimethyl-1-cyclohexen-3-one Chemical substance determinated to be persistent
Official Bulletin of Ministry of International Trade and Industry 1977/11/30 1,5,5-trimethyl-1-cyclohexen-3-one Chemical substance determinated to be non or not highly bioaccumulative




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