Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
77-73-6 4-634 Tricyclo[5.2.1.0(2,6)]deca-3,8-diene


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  77  Dicyclopentadiene  2011/04/01   
Existing chemical substances  Dicyclopentadiene     
Type III Monitoring Chemical Substances (before amendment in FY 2009)  238  Dicyclopentadiene  2010/03/19   


Screening Info

Publication year Human health effect Ecological effect Detailed assessment by experts Remarks
Exposure Class Hazard Class Priority Exposure Class Hazard Class Priority
2010 - - - 4 1 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  77  4-634  Dicyclopentadiene
Human health effect:
Ecological effect:x
detailed assessment by experts for:


No. 77

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2022/04/01 Risk Assessment Phase 1-I (ecological effect)
2021/04/01 Risk Assessment Phase 1-I (ecological effect)
2020/04/01 Risk Assessment Phase 1-I (ecological effect)
2019/04/01 Risk Assessment Phase 1-I (ecological effect)
2018/03/22 Risk Assessment Phase 1-I (ecological effect)
2016/12/27 Risk Assessment Phase 1-I (ecological 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
77-73-6 3a,4,7,7a-tetrahydro-4,7-methanoindene 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 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 97,788
2019 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 97,759
2018 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 100,087
2017 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 95,428
2016 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 85,125
2015 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 81,254
2014 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 69,404
2013 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 66,781
2012 4-634 77 Dicyclopentadiene Priority Assessment Chemical Substances (PACSs) 68,093


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 tricyclo[5,2,1,0(2,6)]deca-3,8-diene Chemical substance determinated to be non or not highly bioaccumulative


Remarks

Japan Existing Chemical Database [MHLW] (Link)


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