Is Basic Blue 3 safe in cosmetics?
Basic Blue 3 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Basic Blue 3
Also known as: Phenoxazin-5-ium, 3,7-bis(diethylamino)-, chloride (1:1), Phenoxazin-5-ium, 3,7-bis(diethylamino)-, chloride, Ethanaminium, N-(7-(diethylamino)-3H-phenoxazin-3-ylidene)-N-ethyl-, chloride (9CI), 3,7-Bis(diethylamino)phenoxazin-5-ium chloride, C.I. Basic Blue 3
INCI: BASIC BLUE 3
Basic Blue 3 (CAS 33203-82-6) is a cosmetic cosmetic ingredient functioning as Hair dyeing (cationic oxazine dye). EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
View industrial chemical safety profile for CAS 33203-82-6 →
Auto-generated CPSR Part A draft with source citations
Function
Hair dyeing (cationic oxazine dye)
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Coal-tar hair dye exemption applies with required caution labeling
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Basic Blue 3.
Calculate MoS for your specific formulation with the MoS Calculator.
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 (1)
| Jurisdiction | Status | Max % | Product Type |
|---|---|---|---|
| KR | prohibited | - | - |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Expert Verdict
Expert safety assessment and concern-level summary for Basic Blue 3.
Known Synonyms
Phenoxazin-5-ium, 3,7-bis(diethylamino)-, chloride (1:1)
Phenoxazin-5-ium, 3,7-bis(diethylamino)-, chloride
Ethanaminium, N-(7-(diethylamino)-3H-phenoxazin-3-ylidene)-N-ethyl-, chloride (9CI)
3,7-Bis(diethylamino)phenoxazin-5-ium chloride
C.I. Basic Blue 3
Chemical Function
Dye
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.
ChEMBL ID
CHEMBL389921
Frequently Asked Questions
Is Basic Blue 3 allowed in the EU?
Basic Blue 3 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Basic Blue 3 do in cosmetics?
Basic Blue 3 functions as: Hair dyeing (cationic oxazine dye). It is classified as a cosmetic ingredient in our database. CAS number: 33203-82-6.
Is Basic Blue 3 used outside cosmetics?
Basic Blue 3 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 3 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
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