Also known as: Indigo carmine, FD & C Blue No. 2, Disodium 3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate, 12070 Blue, 1311 Blue (+15 more)
INCI: ACID BLUE 74
Acid Blue 74 (CAS 860-22-0) is a cosmetic cosmetic ingredient functioning as Colorant, Hair Dyeing. NOAEL 250 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); 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 and pharmaceutical data.
US NotesPermanently listed, certification required. Not approved for foods, ingested drugs, or sutures.
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 Blue 74.
Calculate MoS for your specific formulation with the
MoS Calculator.
Toxicological Studies
9 study endpoints found for Acid Blue 74. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.
Endpoint
Value
Route
Species
Study Type
Source
NOAEL
250 mg/kg bw/day
oral
rat
Developmental
COSMOS_DB
NOAEL
1000 mg/kg bw/day
oral
rat
Carcinogenicity
COSMOS_DB
NOAEL
1350 mg/kg bw/day
oral
swine
Subchronic
COSMOS_DB
NOAEL
2400 mg/kg bw/day
oral
mouse
Chronic
COSMOS_DB
NOAEL
=250 mg/kg bw/day
oral
Rat
reproduction developmental
ToxValDB_ECHA_IUCLID
NOAEL
=1282 mg/kg bw/day
oral
Rat
reproduction developmental
ToxValDB_ECHA_IUCLID
NOAEL
=1592 mg/kg bw/day
oral
Rat
reproduction developmental
ToxValDB_ECHA_IUCLID
NOAEL
=8259 mg/kg bw/day
oral
Rat
reproduction developmental
ToxValDB_ECHA_IUCLID
NOAEL
=9456 mg/kg bw/day
oral
Rat
reproduction developmental
ToxValDB_ECHA_IUCLID
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Acid Blue 74 across SCCS product categories, with measured dermal absorption where available.
EPA ToxValDB — Toxicity Values
10 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).
Endpoint
Value
Species
Route
Duration
Source
ADI
<=5 mg/kg
Human
oral
-
WHO JECFA ADI
NOAEL
=1592 mg/kg-day
Rat
oral
-
ECHA IUCLID
NOAEL
=1592 mg/kg-day
Rat
oral
-
ECHA IUCLID
NOAEL
=1282 mg/kg-day
Rat
oral
-
ECHA IUCLID
NOAEL
=1282 mg/kg-day
Rat
oral
-
ECHA IUCLID
LD50
>2000 mg/kg
Rat
dermal
acute
ECHA IUCLID
NOAEL
=500 mg/kg-day
Rat
oral
chronic
EFSA
NOAEL
=500 mg/kg-day
Rat
oral
chronic
EFSA
LD50
=2500 mg/kg
Mouse
oral
-
ECHA IUCLID
LD50
=2000 mg/kg
Rat
oral
-
ECHA IUCLID
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex IV — Permitted Colorants
Product type: Blue
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
Additional Jurisdictional Restrictions (3)
Jurisdiction
Status
Max %
Product Type
CN
permitted_colorant
-
All cosmetics (Class 1)
BR
permitted_colorant
-
Column 2: All products except eye area
ASEAN
permitted_colorant
-
All products
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Regulatory (1)
JECFA Evaluation
FD AND C BLUE No. 2 | 2018 | 0-5 mg/kg bw | JECFA considered the new data that had become available since the previous evaluation as well as previously evaluated studies and concluded that there are no reasons to revise the ADI and confirmed the previous ADI of 0–5 mg/kg bw. | ">TRS 1014-JECFA 86/34 | FAS 77 JECFA 86/161
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (1)
FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for Acid Blue 74.
Public NOAEL study rows linked to Acid Blue 74 by CAS number or substance name.
Studies
9
Lowest NOAEL
250 mg/kg bw/day
Highest NOAEL
9456 mg/kg bw/day
COSMOS_DBToxValDB_ECHA_IUCLID
Known Synonyms
Indigo carmineFD & C Blue No. 2Disodium 3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate12070 Blue1311 BlueAniline Carmine PowderBasovit Blue 665EBlue 2Blue No. 2C.I. 73015C.I. 75781Carmine BlueCarmine indigoCogilor Blue 511.11FD & C Blue 2FD & C Blue No 2-307045FD and C Blue 2FD&C Blue No. 2-37006Food Blue 1Food Blue 2
Chemical Function
Dye
Regulatory Lists
inert_ingredient; non_food_use; Pesticidesinert_ingredient; Pesticidesgeneral_foodspharmaceuticalMedical/dentalfood_additive; Substances Added to Food (formerly EAFUS) (2/2019)Canada; consumer_product; Substances in Products - Canada (4/2014)Canada; consumer_product; Substances in Products - Canada (4/2014)
Australian Status
AICIS status:listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCEChEMBL / DrugCentral / FAERSDB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Acid Blue 74 has a safety rating of "GOOD" in our database. EU status: prohibited. US status: permitted. 9 toxicological study endpoint(s) are available in our database.
Is Acid Blue 74 allowed in the EU?
Acid Blue 74 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Acid Blue 74 do in cosmetics?
Acid Blue 74 functions as: Colorant, Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 860-22-0.
What is the NOAEL for Acid Blue 74?
The NOAEL (No Observed Adverse Effect Level) for Acid Blue 74 is 250 mg/kg bw/day based on a Developmental study via oral route in rat. A total of 9 study endpoints are available. Source: COSMOS_DB.
Is Acid Blue 74 used outside cosmetics?
Acid Blue 74 also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Acid Blue 74 have different safety status in cosmetics vs industrial chemicals?
Acid Blue 74 is prohibited in EU cosmetics but has active industrial GHS classifications (H302, H317, H411).
Compliance Tools
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