FD&C Blue No. 1 (CI 42090) (CAS 3844-45-9) is a cosmetic cosmetic ingredient functioning as Solvent. NOAEL 631 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
For full compliance data across multiple jurisdictions, use the
Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for FD&C Blue No. 1 (CI 42090).
Calculate MoS for your specific formulation with the
MoS Calculator.
Toxicological Studies
10 study endpoints found for FD&C Blue No. 1 (CI 42090). 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
200 mg/kg bw/day
oral
rabbit
Developmental
COSMOS_DB
NOAEL
250 mg/kg bw/day
oral
mouse
Carcinogenicity
COSMOS_DB
NOAEL
1000 mg/kg bw/day
oral
rat
Multigeneration Reproductive
COSMOS_DB
NOAEL
1319 mg/kg bw/day
oral
rat
Carcinogenicity
COSMOS_DB
NOAEL
1500 mg/kg bw/day
oral
rat
Chronic
COSMOS_DB
NOAEL
2500 mg/kg bw/day
oral
rat
Chronic
COSMOS_DB
NOAEL
=50 mg/kg bw/day
oral
Human; Rat
Reproductive toxicity
INCHEM_WHO_jecfa_jecmono_v75je01
NOAEL
=50 mg/kg bw/day
oral
Human; Rat
Reproductive toxicity
INCHEM_WHO_jecfa_jecmono_v75je01
NOAEL
=50 mg/kg bw/day
oral
Human; Rat
Reproductive toxicity
INCHEM_WHO_jecfa_jecmono_v75je01
NOAEL
=200 mg/kg bw/day
-
-
Toxicology study
INCHEM_WHO_jecfa_jecmono_v75je01
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for FD&C Blue No. 1 (CI 42090) 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
<=6 mg/kg
Human
oral
-
WHO JECFA ADI
NOAEL
=631 mg/kg-day
Rat
oral
-
EFSA
NOAEL
=631 mg/kg-day
Rat
oral
chronic
EFSA
NOEL
=2000 mg/kg-day
Mouse
oral
acute
ECOTOX
NOEL
=2 % diet
Mouse
oral
chronic
ECOTOX
NOEL
=2 % diet
Mouse
oral
chronic
ECOTOX
NOEL
=1 % diet
Rat
oral
chronic
ECOTOX
NOEL
=2 % diet
Rat
oral
chronic
ECOTOX
LOEL
=5 %
Rat
oral
short-term
ECOTOX
NOEL
=5 %
Rat
oral
short-term
ECOTOX
IARC Carcinogenicity
International Agency for Research on Cancer (WHO) monograph evaluation.
IARC Group
3
Volume
16, Sup 7
Evaluation Year
1987
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
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.
Additional Jurisdictional Restrictions (3)
Jurisdiction
Status
Max %
Product Type
BR
permitted_colorant
-
Column 2: All products except eye area
ASEAN
restricted
0.5%
Non-oxidative hair dye products only
ASEAN
permitted_colorant
-
All products (0.5% limit in non-oxidative hair dye — Annex III)
Additional Ingredient Properties
1 property record from structured ingredient metadata.
EU Regulated in Personal CareEU Restricted for Children (Cosmetics)IFRA Fragrance Transparency ListEPA Safer Chemical Ingredients List (SCIL)FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for FD&C Blue No. 1 (CI 42090).
Europe; Personal care - hair coloringEurope; Personal care - hair coloringIFRA Transparencyinert_ingredient; non_food_use; Pesticideschildren; Europe; Personal carechildren; Europe; Personal care - specialized bath products - bath saltschildren; Europe; Personal care - body hygiene - body washchildren; Europe; Personal care - hair styling and care - shampoochildren; Europe; Personal care - specialized bath products - bubble bathchildren; Europe; Personal care - dental care - toothpastechildren; Europe; Personal carechildren; Europe; Personal careEurope; Personal careEurope; Personal careArts and crafts/Office supplies - body paint - tattoo ink; Europegeneral_foodspharmaceuticalPersonal care
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.
FD&C Blue No. 1 (CI 42090) has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.
Is FD&C Blue No. 1 (CI 42090) allowed in the EU?
FD&C Blue No. 1 (CI 42090) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does FD&C Blue No. 1 (CI 42090) do in cosmetics?
FD&C Blue No. 1 (CI 42090) functions as: Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 3844-45-9.
What is the NOAEL for FD&C Blue No. 1 (CI 42090)?
The NOAEL (No Observed Adverse Effect Level) for FD&C Blue No. 1 (CI 42090) is 200 mg/kg bw/day based on a Developmental study via oral route in rabbit. A total of 10 study endpoints are available. Source: COSMOS_DB.
Is FD&C Blue No. 1 (CI 42090) used outside cosmetics?
FD&C Blue No. 1 (CI 42090) also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check FD&C Blue No. 1 (CI 42090) compliance across multiple jurisdictions:
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.
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for FD&C Blue No. 1 (CI 42090) in your formulation.