Is BASIC BLUE 9 safe in cosmetics?
BASIC BLUE 9 has a safety rating of "MODERATE" in our database. EU status: restricted.
MODERATE
Cosmetic Ingredient
BASIC BLUE 9
Also known as: D and C Blue No. 1, D And C Blue Number 1, C.I. Basic Blue 9, M-B Tabs, Aizen Methylene Blue BH (+15 more)
BASIC BLUE 9 (CAS 61-73-4) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. EU Regulation 1223/2009 status: restricted, max II/1306. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
Function
Hair Dyeing
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
restricted
EU Max Conc.
II/1306
US US Status
Not specifically regulated
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex II — Prohibited
Ref: 1306
(EC) 2009/1223
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: 1306
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (1)
| Jurisdiction | Status | Max % | Product Type |
|---|---|---|---|
| KR | prohibited | - | - |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (3)
EU Banned in Cosmetics
FDA Indirect Food Contact Additives
EU CosIng Cosmetics Ingredient Database
Editorial summary
Preliminary editorial summary for BASIC BLUE 9 — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
cosing-sourced
eu-restricted
needs-enrichment
eu_banned_cosmetics
eu_cosing_listed
Known Synonyms
D and C Blue No. 1
D And C Blue Number 1
C.I. Basic Blue 9
M-B Tabs
Aizen Methylene Blue BH
Aizen Methylene Blue FZ
Calcozine Blue ZF
Caswell No. 567
Ceruleum methylenum
CI Basic Blue 9
EINECS 200-515-2
EPA Pesticide Chemical Code 039505
Ext D and C Blue No. 1
External Blue 1
Hidaco Methylene Blue Salt Free
Leather Pure Blue HB
Methylene Blue A
Methylene Blue B
Methylene Blue D
Methylene Blue G
Chemical Function
Dye
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
CEDI
Indirect additives food contact (10/2018)
Canada; pharmaceutical
Canada; pharmaceutical
pharmaceutical
active_ingredient; Europe; Pesticides
banned; Europe; Personal care
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
METHYLENE BLUE ANHYDROUS
ChEMBL ID
CHEMBL405110
Max Phase
4
Adverse Event Associations
23
Frequently Asked Questions
Is BASIC BLUE 9 allowed in the EU?
BASIC BLUE 9 EU regulatory status: restricted. Maximum allowed concentration: II/1306. This is based on EU Regulation 1223/2009 and its amendments.
What does BASIC BLUE 9 do in cosmetics?
BASIC BLUE 9 functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 61-73-4.
Is BASIC BLUE 9 used outside cosmetics?
BASIC BLUE 9 also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check BASIC BLUE 9 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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