Is CI 27755 safe in cosmetics?
CI 27755 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: prohibited.
Moderate
Cosmetic Ingredient
CI 27755
Also known as: 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-((7-sulfo-4-((4-sulfophenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt, Food Black 2, Black 7984
CI 27755 (CAS 2118-39-0) is a cosmetic cosmetic ingredient functioning as Colorant. EU Regulation 1223/2009 status: restricted. 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 2118-39-0 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
tetrasodium;6-amino-4-hydroxy-3-[[7-sulfonato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-2,7-disulfonate
InChIKey
BZJNMKDNHPKBHE-UHFFFAOYSA-J
Regulatory Status
EU EU Status
restricted
US US Status
prohibited
US Notes
Not listed as FDA-approved color additive for cosmetics; not in 21 CFR Part 74 or 82; prohibited for use in hair dye products
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 27755.
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: 1354
(EC) 2013/344
Annex IV — Permitted Colorants
Product type: Black
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: 1354
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
India: Permitted Colorant
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Regulatory (1)
JECFA Evaluation
BLACK 7984 | 1977 | NO ADI ALLOCATED | TRS 617-JECFA 21/16 | FAS 12-JECFA 21/30
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Banned in Cosmetics
EU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for CI 27755.
Regulatory Flags
azo-dye
eu-annex-iv
eu-annex-ii-hair-dye-prohibited
not-fda-approved
food-black-2
sulfonated-dye
eu_banned_cosmetics
eu_cosing_listed
jecfa_concern
Known Synonyms
2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-((7-sulfo-4-((4-sulfophenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt
Food Black 2
Black 7984
Chemical Function
Dye
Regulatory Lists
banned; Europe; Personal care
Australian Status
AICIS status: listed
Frequently Asked Questions
Is CI 27755 allowed in the EU?
CI 27755 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does CI 27755 do in cosmetics?
CI 27755 functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 2118-39-0.
Is CI 27755 used outside cosmetics?
CI 27755 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 27755 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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