Is CI 11920 safe in cosmetics?
CI 11920 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: restricted.
Moderate
Cosmetic Ingredient
CI 11920
Also known as: 1,3-Benzenediol, 4-(phenylazo)-, 1,3-Benzenediol, 4-(2-phenyldiazenyl)-, 4-(Phenylazo)resorcinol, 4-16-00-00264, C.I. Food Orange 3 (+15 more)
CI 11920 (CAS 2051-85-6) is a cosmetic cosmetic ingredient functioning as Colorant (orange); also listed as fragrance functional. 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 2051-85-6 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant (orange); also listed as fragrance functional
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
4-phenyldiazenylbenzene-1,3-diol
InChIKey
BPTKLSBRRJFNHJ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
restricted
US Notes
Not FDA-listed for cosmetic 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 CI 11920.
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: 1343
(EC) 2013/344
Annex IV — Permitted Colorants
Product type: Orange
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: 1343
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
India: Permitted Colorant
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Safety (1)
Endocrine Disruptors
Potential endocrine disrupting compound
Source: NORMAN Suspect List Exchange
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Fragrance
Regulatory List Membership (4)
EU Banned in Cosmetics
EU Regulated in Personal Care
IFRA Fragrance Transparency List
EU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for CI 11920.
Regulatory Flags
fragrance-component
colorant
eu_banned_cosmetics
ifra_fragrance
eu_cosing_listed
Known Synonyms
1,3-Benzenediol, 4-(phenylazo)-
1,3-Benzenediol, 4-(2-phenyldiazenyl)-
4-(Phenylazo)resorcinol
4-16-00-00264
C.I. Food Orange 3
1504 Yellow
Benzeneazoresorcinol
BRN 0958430
Ceres Orange G
Ceres Orange GN
Cerisol Yellow GR
2,4-Dibenzeneazoresorcinol
2,4-Dihydroxyazobenzene
EINECS 218-131-9
Fast Oil Orange T
Fast Oil Yellow G
Fast Oil Yellow 2G
Fat Orange A
Fat Orange GS
Fat Orange RG
Chemical Function
Dye
Fragrance
Regulatory Lists
IFRA Transparency
Europe; Personal care
banned; Europe; Personal care
Australian Status
AICIS status: listed
Frequently Asked Questions
Is CI 11920 allowed in the EU?
CI 11920 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does CI 11920 do in cosmetics?
CI 11920 functions as: Colorant (orange); also listed as fragrance functional. It is classified as a cosmetic ingredient in our database. CAS number: 2051-85-6.
Is CI 11920 used outside cosmetics?
CI 11920 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 CI 11920 compliance across multiple jurisdictions:
Ingredient Decoder
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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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