Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
91-20-3 4-311 Naphthalene


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  76  Naphthalene  2011/04/01   
Existing chemical substances  -  Naphthalene     
Type II Monitoring Chemical Substances (before amendment in FY 2009)  1000  Naphthalene  2010/03/19   
Type III Monitoring Chemical Substances (before amendment in FY 2009)  233  Naphthalene  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 3 2 High 3 1 High Assessment has been conducted by the serial number of Type II Monitoring Chemical Substance (before amendment) and 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  76  4-311  Naphthalene 
Human health effect:x
Ecological effect:x
detailed assessment by experts for:


No. 76

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2024/04/01 Risk Assessment Phase 1-I (human health effect)
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

Risk Assessment Phase 1-Ⅱ, 1-Ⅲ

publication date Status of risk assessment publication source Remarks
2024/04/01 Risk Assessment Phase 1-II (ecological effect)
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
91-20-3 naphthalene, pure 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 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 104,291
2021 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 126,357
2020 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 109,836
2019 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 115,292
2018 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 106,324
2017 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 92,616
2016 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 93,954
2015 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 100,746
2014 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 111,538
2013 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 109,815
2012 4-311 76 Naphthalene Priority Assessment Chemical Substances (PACSs) 90,719


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 naphthalene Chemical substance determinated to be non or not highly bioaccumulative




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