Is Acid Black 52 safe in cosmetics?
Acid Black 52 has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.
Poor
Cosmetic Ingredient
Acid Black 52
Also known as: Calcofast Leather Black WA
INCI: CI 15711
Acid Black 52 (CAS 5610-64-0) is a cosmetic cosmetic ingredient functioning as Colorant, Hair dyeing. 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 5610-64-0 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Acid Black 52 is prohibited in EU cosmetics but has active industrial GHS classifications (H317, H319, H400, H410, H411).
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Colorant, Hair dyeing
Safety Rating
POOR
Chemistry & Identifiers
IUPAC Name
trisodium;bis(chromium(3+));tris(7-nitro-3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate)
InChIKey
OCDKNPOQLLEKKZ-UHFFFAOYSA-E
Regulatory Status
EU EU Status
prohibited
US US Status
prohibited
US Notes
Not FDA-approved for cosmetic use — prohibited
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 Black 52.
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
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Safety (2)
Evidence for Carcinogenicity
WEIGHT OF EVIDENCE CHARACTERIZATION: Applying the criteria for evaluating the overall weight of evidence for carcinogenicity to humans outlined in EPA's guidelines for risk assessment (1986), trivalent chromium is most appropriately designated a Group D -- Not classified as to its human carcinogenicity. Using the Proposed Guidelines for Carcinogen Risk Assessment (1996), there are inadequate data
Source: Hazardous Substances Data Bank (HSDB)
Skin Eye Respiratory Irritation
May cause eye and skin irritation. May cause respiratory and digestive tract irritation. | Eczematous dermatitis due to trivalent chromium compounds has been reported. /Trivalent chromium compounds/
Source: Hazardous Substances Data Bank (HSDB)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Expert Verdict
Expert safety assessment and concern-level summary for Acid Black 52.
Regulatory Flags
colorant
Known Synonyms
Calcofast Leather Black WA
Chemical Function
Dye
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Acid Black 52 allowed in the EU?
Acid Black 52 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Acid Black 52 do in cosmetics?
Acid Black 52 functions as: Colorant, Hair dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 5610-64-0.
Is Acid Black 52 used outside cosmetics?
Acid Black 52 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Acid Black 52 have different safety status in cosmetics vs industrial chemicals?
Acid Black 52 is prohibited in EU cosmetics but has active industrial GHS classifications (H317, H319, H400, H410, H411).
Compliance Tools
Check Acid Black 52 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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