Is CI 15580 (Pigment Red 51 / Helio Red RMT) safe in cosmetics?
CI 15580 (Pigment Red 51 / Helio Red RMT) has a safety rating of "MODERATE" in our database. EU status: permitted. US status: prohibited.
MODERATE
Cosmetic Ingredient
CI 15580 (Pigment Red 51 / Helio Red RMT)
Also known as: EINECS 227-459-1
INCI: CI 15580
CI 15580 (Pigment Red 51 / Helio Red RMT) (CAS 5850-87-3) is a cosmetic cosmetic ingredient functioning as Colorant. Synthetic azo pigment (Barium bis[4-[(2-hydroxy-1-naphthyl)azo]-2-meth. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Function
Colorant. Synthetic azo pigment (Barium bis[4-[(2-hydroxy-1-naphthyl)azo]-2-methylbenzenesulphonate]), also known as Pigment Red 51 and Helio Red RMT. Insoluble barium-based pigment lake providing a red hue. Used in cosmetic formulations for skin, nails, and hair. As a pigment (insoluble lake), it does not dissolve in water and remains on the skin surface.
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Chemistry & Identifiers
IUPAC Name
barium(2+);bis(4-[(2-hydroxynaphthalen-1-yl)diazenyl]-2-methylbenzenesulfonate)
InChIKey
DYYWTFWWAKPJGZ-UHFFFAOYSA-L
Regulatory Status
EU EU Status
permitted
US US Status
prohibited
US Notes
CI 15580 is not listed by the FDA as a permitted color additive for cosmetics or drugs under 21 CFR Parts 73 or 74. It does not appear in the FDA color additives inventory for cosmetic use. Formulations containing CI 15580 would not be compliant for US market distribution. Use in the US is prohibited by omission from the FDA approved list.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for CI 15580 (Pigment Red 51 / Helio Red RMT).
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 IV — Permitted Colorants
Product type: Red
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 (IV - Colorants)
BRIN Brazil/India Cosmetics
India: Permitted Colorant
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Regulated in Personal Care
EU CosIng Cosmetics Ingredient Database
Editorial summary
Preliminary editorial summary for CI 15580 (Pigment Red 51 / Helio Red RMT) — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
azo-dye
eu-annex-iv
not-fda-approved
eu-only
no-us-use
barium-lake
pigment
insoluble-colorant
synthetic-colorant
eu_cosing_listed
Known Synonyms
EINECS 227-459-1
Chemical Function
Dye
Regulatory Lists
Europe; Personal care
Australian Status
AICIS status: listed
Frequently Asked Questions
Is CI 15580 (Pigment Red 51 / Helio Red RMT) allowed in the EU?
CI 15580 (Pigment Red 51 / Helio Red RMT) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does CI 15580 (Pigment Red 51 / Helio Red RMT) do in cosmetics?
CI 15580 (Pigment Red 51 / Helio Red RMT) functions as: Colorant. Synthetic azo pigment (Barium bis[4-[(2-hydroxy-1-naphthyl)azo]-2-methylbenzenesulphonate]), also known as Pigment Red 51 and Helio Red RMT. Insoluble barium-based pigment lake providing a red hue. Used in cosmetic formulations for skin, nails, and hair. As a pigment (insoluble lake), it does not dissolve in water and remains on the skin surface.. It is classified as a cosmetic ingredient in our database. CAS number: 5850-87-3.
Compliance Tools
Check CI 15580 (Pigment Red 51 / Helio Red RMT) compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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