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Substance Data

Chemical Substances Information

CAS RN	MITI Number	Chemical Substance Name	Chemical Structure
11118-57-3	1-284	Chromium oxide	-

Regulatory Classification

Regulatory Classification	Cabinet Order No./Registration No.	Chemical Substance Name	date	Remarks
Priority Assessment Chemical Substances (PACSs)	145	Chromium(VI) trioxide	2013/12/20	If a chemical substance of the above CAS RN fulfills a certain condition, it corresponds to this Registration Number.
Existing chemical substances	-	Chromium oxide

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).

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	2013/12/20	145	1-284	Chromium(VI) trioxide	Human health effect:x Ecological effect: 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.

145

Risk Assessment Phase 1-I

publication date	Status of risk assessment	publication source	Remarks
2015/11/26	Risk Assessment Phase 1-II (human health effect)

Risk Assessment Phase 1-Ⅱ, 1-Ⅲ

publication date	Status of risk assessment	publication source	Remarks
2025/04/01	Risk Assessment Phase 1-II (human health effect)
2024/04/01	Risk Assessment Phase 1-II (human health effect)
2023/04/01	Risk Assessment Phase 1-II (human health effect)
2022/04/01	Risk Assessment Phase 1-II (human health effect)
2021/04/01	Risk Assessment Phase 1-II (human health effect)
2020/04/01	Risk Assessment Phase 1-II (human health effect)
2019/04/01	Risk Assessment Phase 1-II (human health effect)
2018/03/22	Risk Assessment Phase 1-II (human health effect)
2016/12/27	Risk Assessment Phase 1-II (human health effect)

Manufactured and/or imported quantities

Fiscal year	MITI Number	Registration No.	Chemical Substance Name	Classification	Manufactured and/or imported quantities (t)	Remarks
2023	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	4,367
2022	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	4,897
2021	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	5,369
2020	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	4,890
2019	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	5,683
2018	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	6,070
2017	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	5,706
2016	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	6,145
2015	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	6,203
2014	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	6,195
2013	1-284	145	Chromium(VI) trioxide	Priority Assessment Chemical Substances (PACSs)	7,371
2012	1-284		Chromium oxide	General chemical substance	10,000 - < 20,000

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