CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1)

Also known as: EC No.: 209-608-2, Benzenesulfonic acid, 3-[2-[4-(phenylamino)phenyl]diazenyl]-, sodium salt (1:1), Benzenesulfonic acid, 3-[[4-(phenylamino)phenyl]azo]-, monosodium salt, Benzenesulfonic acid, m-(p-anilinophenylazo)-, sodium salt, Sodium 4′-anilinoazobenzene-3-sulfonate (+15 more)

INCI: CI 13065

CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) (CAS 587-98-4) is a cosmetic cosmetic ingredient functioning as Colorant. EU Regulation 1223/2009 status: prohibited. 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 587-98-4 →

Auto-generated CPSR Part A draft with source citations
Function
Colorant
Safety Rating
POOR

Chemistry & Identifiers

Formula
C18H14N3NaO3S
MW
375.4 g/mol
EC Number
209-608-2
PubChem CID
3935589
IUPAC Name
sodium 3-[(4-anilinophenyl)diazenyl]benzenesulfonate
InChIKey
NYGZLYXAPMMJTE-UHFFFAOYSA-M

Regulatory Status

EU EU Status prohibited
US US Status prohibited
US Notes Delisted by FDA on December 13, 1977 (21 CFR 81.10, 81.30). Originally approved in 1939 as Ext. D&C Yellow No. 1 for external drugs and cosmetics; delisted due to contamination with 4-aminobiphenyl (a known human carcinogen) and inability to produce the dye without benzidine-related impurities. No longer permitted in any FDA-regulated cosmetic or drug product in the United States.

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 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1).

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex II — Prohibited
Ref: 387
(EC) 2009/1223

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: 387
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (3)
Jurisdiction Status Max % Product Type
IN banned - all cosmetics
CA banned - -
KR prohibited - -

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye Pigment
Regulatory List Membership (2)
EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1).

Regulatory Flags

eu-not-in-annex-iv not-fda-approved fda-delisted-1977 4-aminobiphenyl-contamination benzidine-precursor neurotoxic hepatotoxic genotoxic azo-dye aromatic-amine-precursor carcinogenic-impurities eu_banned_cosmetics eu_cosing_listed

Known Synonyms

EC No.: 209-608-2 Benzenesulfonic acid, 3-[2-[4-(phenylamino)phenyl]diazenyl]-, sodium salt (1:1) Benzenesulfonic acid, 3-[[4-(phenylamino)phenyl]azo]-, monosodium salt Benzenesulfonic acid, m-(p-anilinophenylazo)-, sodium salt Sodium 4′-anilinoazobenzene-3-sulfonate C.I. Acid Yellow 36 C.I. Acid Yellow 36 monosodium salt 11363 Yellow Acid Leather Yellow R Acid Leather Yellow PRW Acid Metanil Yellow Acid Yellow 36 Acidic Metanil Yellow Aizen Metanil Yellow Amacid Yellow M Benzenesulfonic acid, m-((p-anilinophenyl)azo)-, sodium salt Brasilan Metanil Yellow Bucacid Metanil Yellow Calcocid Yellow MXXX Diacid Metanil Yellow

Chemical Function

Dye Pigment

Regulatory Lists

inert_ingredient; non_food_use; Pesticides banned; Europe; Personal care active_ingredient; Europe; Pesticides

Australian Status

AICIS status: listed

Frequently Asked Questions

Is CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) safe in cosmetics?

CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.

Is CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) allowed in the EU?

CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) do in cosmetics?

CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 587-98-4.

Is CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) used outside cosmetics?

CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) have different safety status in cosmetics vs industrial chemicals?

CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) is prohibited in EU cosmetics but has active industrial GHS classifications (H302, H312, H317, H318, H319, H332, H361f, H411).

Is CI 13065 (Acid Yellow 36 / Metanil Yellow / Ext. D&C Yellow No. 1) in Your Products?

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