Good Cosmetic Ingredient NOAEL Data

Acid Blue 74

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.

View industrial chemical safety profile for CAS 860-22-0 →

Auto-generated CPSR Part A draft with source citations
Function
Colorant, Hair Dyeing
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C16H8N2Na2O8S2
MW
466.4 g/mol
EC Number
212-728-8
PubChem CID
2723854
IUPAC Name
disodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
InChIKey
JFVXEJADITYJHK-UHFFFAOYSA-L

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes Permanently 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.

Regulatory Flags

colorant fda_food_additive

NOAEL Studies Summary

View details ->

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_DB ToxValDB_ECHA_IUCLID

Known Synonyms

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 Aniline Carmine Powder Basovit Blue 665E Blue 2 Blue No. 2 C.I. 73015 C.I. 75781 Carmine Blue Carmine indigo Cogilor Blue 511.11 FD & C Blue 2 FD & C Blue No 2-307045 FD and C Blue 2 FD&C Blue No. 2-37006 Food Blue 1 Food Blue 2

Chemical Function

Dye

Regulatory Lists

inert_ingredient; non_food_use; Pesticides inert_ingredient; Pesticides general_foods pharmaceutical Medical/dental food_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.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
INDIGOTINDISULFONATE SODIUM
ChEMBL ID
CHEMBL2105023
Max Phase
4
View full pharmaceutical profile →

Frequently Asked Questions

Is Acid Blue 74 safe in cosmetics?

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).

Related Ingredients

Acid Blue 9
Excellent Same category
Colorant, Hair Dyeing
Acid Blue 9 Aluminum Lake
Excellent Same category
Colorant
Anthocyanins
Excellent Same category
Colorant
Beta Vulgaris Extract
Excellent Same category
Skin Conditioning, Colorant (betalain...
Beta Vulgaris Root Extract
Excellent Same category
Skin Conditioning, Colorant (betanin/...
Beta Vulgaris Root Powder
Excellent Same category
Skin conditioning, natural colorant, ...
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
Good Similar safety
Skin Conditioning, Skin Conditioning ...
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA/SCUTELLARIA BAICALENSIS) ROOT/(CNIDIUM OFFICINALE/COPTIS CHINENSIS) RHIZOME/GARDENIA JASMINOIDES FRUIT/PHELLODENDRON CHINENSE BARK EXTRACT
Good Similar safety
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
Good Similar safety
Humectant, Skin Conditioning, Skin Pr...
(ANGELICA KEISKEI/CHRYSANTHEMUM ZAWADSKII) LEAF/STEM/CINNAMOMUM CASSIA BARK/TRICHOSANTES KIRILOWII FRUIT/ULMUS DAVIDIANA BARK/ROOT/(PAEONIA JAPONICA/BUPLEURUM FALCATUM/POLYGALA TENUIFOLIA ROOT)/VISCUS ALBUM STEM EXTRACT
Good Similar safety
Anti-seborrheic, Anti-sebum, Antioxid...
(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good Similar safety
Antioxidant
CI 73015
Good Chemical family
Colorant
ACID RED 27
Moderate Browse nearby
Hair Dyeing
ACID RED 51
Moderate Browse nearby
Colorant, Hair Dyeing

Is Acid Blue 74 in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Acid Blue 74 in your formulation.