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Official EU label nameGlossary entry 6337

CI 10020

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 7 of 13 indexed market datasets: 7 country records and 1 EU Annex records. Every result and evidence gap is listed below.

7 markets with evidence
Markets checked
13
Markets with evidence
7
Evidence gaps
6
Resolved identifiers
2

Resolved substance identity

CAS:19381-50-1
EC:243-010-2
Ingredient index records:
CI 10020
Cosmetic functions: COLORANT

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)

Inventory restriction note: IV/2 (CI 10020) II/1342 (Acid Green 1; CI 10020: when used as a substance in hair dye products)

ACID GREEN 1
Cosmetic functions: HAIR DYEING

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-) (CI 10020)

Inventory restriction note: II/1342 (Acid Green 1; CI 10020: when used as a substance in hair dye products)

10 matched or reported names
CI 10020ACID GREEN 1Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)- N5,O6]ferrate(3-); (Acid Green 1; CI 10020) when used as a substance in hair dye productsTrisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulfonato(2-)-N5,O6]ferrate(3-) (Acid Green 1)Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulfonato(2-)-N5,O6]ferrate(3-) (Acid Green 1; CI 10020) when used as a substance in hair dye productsTrisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-Tris[5,6-dihidro-5-(hidroxiimino)-6Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N ,O ]ferrate(3-) (acid green 1; CI 10020) ( CAS No. 19381-50-1) when used as a substance in hair dye productsTrisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonate(2-)-N5,O6]ferrate(3-); (Acid Green 1; CI 10020) when used as a substance in hair dye products

Each compound below is connected through an exact CosIng ingredient-name match and an exact PubChem synonym match. It is not inferred from a partial or similar name.

C.I. Acid Green 1

Exact match
IUPAC name
trisodium;iron(3+);tris(5-nitroso-6-oxidonaphthalene-2-sulfonate)
Molecular formula
C30H15FeN3Na3O15S3
Molecular weight
878.5 g/mol
InChIKey
JMXROTHPANUTOJ-UHFFFAOYSA-H
PubChem CID
6915910

Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31

Regulatory evidence in all 13 markets

Open each matched record for its scope, concentration, conditions, warnings and official source version.

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MarketResultRecordsDatasetMeaning / next action
European Union
EU
Conditional positive-list match1Open record 1
Complete annex dataset
Regulation (EC) 1223/2009 consolidated to 1 May 2026
Review every linked record and exact conditions.
Great Britain
GB
Prohibited1Open record 1
Complete consolidated annex dataset
GB retained Regulation 1223/2009 schedules, effective 15 August 2026
Review every linked record and exact conditions.
Canada
CA
No local match0
Complete Hotlist snapshot
Health Canada Cosmetic Ingredient Hotlist, 13 August 2025
The Hotlist is an administrative compliance tool, not an exhaustive safety approval list.
New Zealand
NZ
Prohibited2Open record 1Open record 2
Complete schedules dataset
Cosmetic Products Group Standard schedules effective 1 January 2026
Review every linked record and exact conditions.
ASEAN
ASEAN
Prohibited1Open record 1
Complete regional annex dataset
ASEAN Cosmetic Directive annexes 2026-1, 22 June 2026
Review every linked record and exact conditions.
China
CN
No local match0
Complete prohibited catalogues plus official-source workflow
NMPA 2021 banned catalogues plus dynamic IECIC List I/List II system current since 2025
IECIC listing is not blanket approval; absence may require the new cosmetic ingredient route, and restrictions are checked separately.
Japan
JP
No local match0
Complete Standards appendices dataset
MHLW Standards for Cosmetics official English source and Japanese amendments checked for the imported snapshot
The Japanese text and subsequent notices are canonical; no local match is not a product-compliance conclusion.
South Korea
KR
No local match0
Complete current appendix dataset
MFDS Notice 2026-19, effective 18 March 2026
Korean source wording is canonical and other positive lists/notices may still apply to the formulation.
United States
US
No local match0
Complete enumerated federal ingredient rules
eCFR Title 21 issue date 27 August 2026
FDA has no general approved-cosmetic-ingredient catalogue; absence from these sections is not approval or proof of safety.
Australia
AU
No local match0
Complete cosmetic-relevant Poisons Standard subset plus official workflow
Therapeutic Goods (Poisons Standard—June 2026) Instrument 2026
An AICIS Inventory match is not cosmetic approval; no Inventory match can indicate a new, exempted, reported or confidential introduction.
Brazil
BR
Prohibited1Open record 1
Complete prohibited dataset plus current restricted-list workflow
ANVISA RDC 1.029/2026 and RDC 1.030/2026, published 15 June 2026
Review every linked record and exact conditions.
India
IN
Prohibited1Open record 1
Complete current Part 2 dataset plus official workflow for Parts 1, 3 and 4
Cosmetics Rules 2020 plus current BIS IS 4707 parts (1:2020, 2:2025, 3:2025, 4:2022)
Review every linked record and exact conditions.
Saudi Arabia
SA
Prohibited1Open record 1
Complete official list index
SFDA live prohibited/restricted lists, snapshot 30 August 2026
Review every linked record and exact conditions.
No market rows match this filter.

Matching market records and conditions

Exact Annex II–VI evidence

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

Open official Decision