Is Acid Green 1 safe in cosmetics?
Acid Green 1 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: prohibited.
Moderate
Cosmetic Ingredient
Acid Green 1
Also known as: Ferrate(3-), tris[5,6-dihydro-5-(hydroxyimino) -6-oxo-2-naphthalenesulfonato(2-)-N5,O6 ]-, trisodium, Ferrate(3-), tris(5,6-dihydro-5-(hydroxyimino-kappaN)-6-(oxo-kappaO)-2-naphthalenesulfonato(2-))-, sodium (1:3), Acid green No. 1, Ferrate(3-), tris[5,6-dihydro-5-(hydroxyimino-.kappa.N)-6-(oxo-.kappa.O)-2-naphthalenesulfonato(2-)]-, sodium (1:3), C.I. Acid Green 1 (+10 more)
INCI: ACID GREEN 1
Acid Green 1 (CAS 19381-50-1) is a cosmetic cosmetic ingredient functioning as Colorant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 19381-50-1 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
trisodium;iron(3+);tris(5-nitroso-6-oxidonaphthalene-2-sulfonate)
InChIKey
JMXROTHPANUTOJ-UHFFFAOYSA-H
Regulatory Status
EU EU Status
permitted
US US Status
prohibited
US Notes
DELISTED - Ext. D&C Green No. 1, formerly subject to certification; no longer permitted for any use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Acid Green 1.
Calculate MoS for your specific formulation with the MoS Calculator.
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex II — Prohibited
Ref: 1342
(EC) 2013/344
Annex IV — Permitted Colorants
Product type: Green
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
SA Saudi SFDA (II - Prohibited)
ASEAN Cosmetic Directive (II)
Ref: 1342
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
India: Permitted Colorant
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (3)
EU Banned in Cosmetics
EPA Safer Chemical Ingredients List (SCIL)
EU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for Acid Green 1.
Regulatory Flags
colorant
eu_banned_cosmetics
epa_safer_alternative
eu_cosing_listed
Known Synonyms
Ferrate(3-), tris[5,6-dihydro-5-(hydroxyimino) -6-oxo-2-naphthalenesulfonato(2-)-N5,O6 ]-, trisodium
Ferrate(3-), tris(5,6-dihydro-5-(hydroxyimino-kappaN)-6-(oxo-kappaO)-2-naphthalenesulfonato(2-))-, sodium (1:3)
Acid green No. 1
Ferrate(3-), tris[5,6-dihydro-5-(hydroxyimino-.kappa.N)-6-(oxo-.kappa.O)-2-naphthalenesulfonato(2-)]-, sodium (1:3)
C.I. Acid Green 1
D and C Green 1
C.I. Pigment Green 12
EINECS 243-010-2
Ext D and C Green No. 1
Ext D&C Green 1
Iron, tris(5,6-dihydro-5,6-dioxo-2-naphthalenesulfonic acid-5-oximato)-, trisodium salt
Naphthol Green
Naphthol Green B
NSC 9830
UNII-W60I5H3VMQ
Chemical Function
Dye
Regulatory Lists
SCIL (9/2019)
Cleaning products and household care - dishwasher and dishes - automatic dishwashing detergent; Europe
inert_ingredient; non_food_use; Pesticides
banned; Europe; Personal care
SCIL (9/2019)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Acid Green 1 allowed in the EU?
Acid Green 1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Acid Green 1 do in cosmetics?
Acid Green 1 functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 19381-50-1.
Is Acid Green 1 used outside cosmetics?
Acid Green 1 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Acid Green 1 compliance across multiple jurisdictions:
Ingredient Decoder
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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