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CAS 19381-50-1, EC 243-010-2

Is Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)- N5,O6]ferrate(3-); (Acid Green… banned where you sell?

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 products. Also listed as Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)- N 5 ,O 6 ]ferrate(3-); (Acid Green 1; CI 10020) when used as a substance in hair dye products. 2 markets have rules for it. Selling something that contains it? Check it free, no account needed.

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Status

Status by market

Banned, limited, needs a warning, or no rule we know of. US states also follow federal rules, shown in their own row.

Market
Status
Requirement, dates and source
United States (federal)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

California (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

Colorado (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

Connecticut (US state)
Not covered

We hold no rules for this market.

Hawaii (US state)
Not covered

We hold no rules for this market.

Illinois (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

Maryland (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

Maine (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

Minnesota (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

New Hampshire (US state)
Not covered

We hold no rules for this market.

New Jersey (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

New Mexico (US state)
Not covered

We hold no rules for this market.

New York (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

Oregon (US state)
Not covered

We hold no rules for this market.

Rhode Island (US state)
Not covered

We hold no rules for this market.

Vermont (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

Washington (US state)
No known rule

We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

European Union
Banned

For Non-oxidative hair dye and Oxidative hair dye: Banned. In force, start date unknown.

From the consolidated text: 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 products · 19381-50-1 · 243-010-2

Annex II entry 1342 · fetched 2026-10-09

European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
Great Britain (England, Scotland, Wales)
Banned

For Non-oxidative hair dye and Oxidative hair dye: Banned. In force, start date unknown.

From the official list: Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)- N 5 ,O 6 ]ferrate(3-); (Acid Green 1; CI 10020) when used as a substance in hair dye products · 19381-50-1 · 243-010-2

Annex II entry 1342 · fetched 2026-10-10

The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)
Japan
No known rule

We have no rule for it here. Our coverage starts 12 Jul 2024, and this doesn't mean it's allowed.

South Korea
No known rule

We have no rule for it here. Our coverage starts 8 Oct 2026, and this doesn't mean it's allowed.

  • United States (federal)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • California (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • Colorado (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • Connecticut (US state)
    Status
    Not covered
    Requirement, dates and source

    We hold no rules for this market.

  • Hawaii (US state)
    Status
    Not covered
    Requirement, dates and source

    We hold no rules for this market.

  • Illinois (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • Maryland (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • Maine (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • Minnesota (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • New Hampshire (US state)
    Status
    Not covered
    Requirement, dates and source

    We hold no rules for this market.

  • New Jersey (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • New Mexico (US state)
    Status
    Not covered
    Requirement, dates and source

    We hold no rules for this market.

  • New York (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • Oregon (US state)
    Status
    Not covered
    Requirement, dates and source

    We hold no rules for this market.

  • Rhode Island (US state)
    Status
    Not covered
    Requirement, dates and source

    We hold no rules for this market.

  • Vermont (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • Washington (US state)
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.

  • European Union
    Status
    Banned
    Requirement, dates and source

    For Non-oxidative hair dye and Oxidative hair dye: Banned. In force, start date unknown.

    From the consolidated text: 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 products · 19381-50-1 · 243-010-2

    Annex II entry 1342 · fetched 2026-10-09

    European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
  • Great Britain (England, Scotland, Wales)
    Status
    Banned
    Requirement, dates and source

    For Non-oxidative hair dye and Oxidative hair dye: Banned. In force, start date unknown.

    From the official list: Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)- N 5 ,O 6 ]ferrate(3-); (Acid Green 1; CI 10020) when used as a substance in hair dye products · 19381-50-1 · 243-010-2

    Annex II entry 1342 · fetched 2026-10-10

    The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)
  • Japan
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 12 Jul 2024, and this doesn't mean it's allowed.

  • South Korea
    Status
    No known rule
    Requirement, dates and source

    We have no rule for it here. Our coverage starts 8 Oct 2026, and this doesn't mean it's allowed.

California

Prop 65 listing

California's list of chemicals known to cause cancer or reproductive harm.

Not on the Prop 65 list in our data

Not on California's list when we last checked it.

See California coverage

Groups

Group memberships

Groups that name this substance. Markets define groups like PFAS in different ways.

Not named in any group

No group we track names this substance. Groups like PFAS are defined by chemical structure and don't list members, so whether it's in one depends on your product.

See how PFAS is defined

Records

Recalls and alerts

Recalls, safety alerts and Prop 65 notices that name 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 products, with a link to the original. A Prop 65 notice is a claim by the sender, not a ruling.

No records in our feeds

No Prop 65 notice, EU Safety Gate alert or CPSC recall has named 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 products since January 2023. Other agencies may still have acted.

See all recalls and alerts

See also

Related

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