Substance Data

Chemical Substances Information

CAS RN MITI Number Chemical Substance Name Chemical Structure
98171-34-7 2-2709 Alkyl(C=14-18)(dimethyl)betaines -


Regulatory Classification

Regulatory Classification Cabinet Order No./Registration No. Chemical Substance Name date Remarks
Priority Assessment Chemical Substances (PACSs)  258  (N,N-Dimethyltetradecan-1-aminiumyl)acetate  2021/04/01  If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number. 
Canceled - Priority Assessment Chemical Substances  242  [Dimethyl(octadecyl)azaniumyl]acetate  2026/03/31  If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number. 
Existing chemical substances  -  Alkyldimethylbetaine     


Screening Info

Publication year Human health effect Ecological effect Detailed assessment by experts Remarks
Exposure Class Hazard Class Priority Exposure Class Hazard Class Priority
2024 4 - - - - - Assessment has been conducted by the serial number 258 of Priority Assessment Chemical Substances (PACSs).
2024 Out of classification - - - - - Assessment has been conducted by the serial number 242 of Priority Assessment Chemical Substances (PACSs).
2023 4 - - - - - Assessment has been conducted by the serial number 258 of Priority Assessment Chemical Substances (PACSs).
2023 Out of classification - - - - - Assessment has been conducted by the serial number 242 of Priority Assessment Chemical Substances (PACSs).
2018 Out of classification - - 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
Canceled PACS  2026/03/31  242  2-2709  [Dimethyl(octadecyl)azaniumyl]acetate If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
PACS  2021/04/01  258  2-2709  (N,N-Dimethyltetradecan-1-aminiumyl)acetate 
Human health effect:
Ecological effect:x
detailed assessment by experts for:
 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
PACS  2019/04/01  242  2-2709  [Dimethyl(octadecyl)azaniumyl]acetate 
Human health effect:
Ecological effect:x
detailed assessment by experts for:
 If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.


No. 258

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2026/04/01 Risk Assessment Phase 1-I (ecological effect)
2025/04/01 Risk Assessment Phase 1-I (ecological effect)
2024/04/01 Risk Assessment Phase 1-I (ecological effect)
2023/04/01 Risk Assessment Phase 1-I (ecological effect)
2022/04/01 Risk Assessment Phase 1-I (ecological effect)
2021/04/01 Risk Assessment Phase 1-I (ecological effect)

No. 242

Risk Assessment Phase 1-I

publication date Status of risk assessment publication source Remarks
2025/04/01 Risk Assessment Phase 1-I (ecological effect)
2024/04/01 Risk Assessment Phase 1-I (ecological effect)
2023/04/01 Risk Assessment Phase 1-I (ecological effect)
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)



Manufactured and/or imported quantities

Fiscal year MITI Number Registration No. Chemical Substance Name Classification Manufactured and/or imported quantities (t) Remarks
2018 2-2709 Alkyldimethylbetaine General chemical substance 1 - < 1,000
2017 2-2709 Alkyldimethylbetaine General chemical substance 1 - < 1,000
2016 2-2709 Alkyldimethylbetaine General chemical substance 1 - < 1,000
2014 2-2709 Alkyldimethylbetaine General chemical substance 1 - < 1,000
2013 2-2709 Alkyldimethylbetaine General chemical substance 1 - < 1,000
2012 2-2709 Alkyldimethylbetaine General chemical substance 1 - < 1,000


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