Is Fluorescent Brightener 393 safe in cosmetics?
Fluorescent Brightener 393 has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.
Moderate
Cosmetic Ingredient
Fluorescent Brightener 393
INCI: FLUORESCENT BRIGHTENER 393
Fluorescent Brightener 393 (CAS 1533-45-5) is a cosmetic cosmetic ingredient functioning as Colorant (fluorescent whitening agent — absorbs UV and re-emits as blue visible. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 1533-45-5 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant (fluorescent whitening agent — absorbs UV and re-emits as blue visible light)
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
2-[4-[2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole
InChIKey
ORACIQIJMCYPHQ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Permitted — no specific CFR prohibition; subject to general safety requirements under FD&C Act
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Fluorescent Brightener 393.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Fluorescent Brightener 393.
Regulatory Flags
colorant
Frequently Asked Questions
Is Fluorescent Brightener 393 allowed in the EU?
Fluorescent Brightener 393 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Fluorescent Brightener 393 do in cosmetics?
Fluorescent Brightener 393 functions as: Colorant (fluorescent whitening agent — absorbs UV and re-emits as blue visible light). It is classified as a cosmetic ingredient in our database. CAS number: 1533-45-5.
Compliance Tools
Check Fluorescent Brightener 393 compliance across multiple jurisdictions:
Ingredient Decoder
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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