Dibenzothiophene

INCI: DIBENZOTHIOPHENE

CAS Number
132-65-0
Function
Not a recognized cosmetic ingredient — polycyclic aromatic sulfur heterocycle; industrial/analytical use only
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Not recognized for cosmetic use — no CIR monograph; EPA has provisional toxicity values

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Not approved for cosmetic use. Causes liver and kidney effects, prolonged coagulation times, and reduced motor activity in animal studies; very toxic to aquatic life with long-lasting effects.

⚠️
Concern Level: High

Regulatory Flags

endocrine_disruptor

Frequently Asked Questions

Is Dibenzothiophene safe in cosmetics?

Not approved for cosmetic use. Causes liver and kidney effects, prolonged coagulation times, and reduced motor activity in animal studies; very toxic to aquatic life with long-lasting effects. The EU classifies Dibenzothiophene as "prohibited". Safety rating: POOR.

Is Dibenzothiophene allowed in the EU?

Dibenzothiophene EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Dibenzothiophene do in cosmetics?

Dibenzothiophene functions as: Not a recognized cosmetic ingredient — polycyclic aromatic sulfur heterocycle; industrial/analytical use only. It is classified as a cosmetic ingredient in our database. CAS number: 132-65-0.

What is the Margin of Safety for Dibenzothiophene?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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