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Substance Data

Chemical Substances Information

CAS RN	MITI Number	Chemical Substance Name	Chemical Structure
98171-34-7	2-1289	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.
Existing chemical substances	-	N-Tetradecyl-N,N-dimethyl-alpha-carbox-ylic acid betaine		If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this MITI Number.

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 of Priority Assessment Chemical Substances (PACSs).
2023	4	-	-	-	-	-		Assessment has been conducted by the serial number 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
PACS	2021/04/01	258	2-1289	(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.

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)

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