Biphenylhydroxamic Acid

INCI: BIPHENYLHYDROXAMIC ACID

CAS Number
Listed on PubChem as CID 44369716; molecular formula C₁₃H₁₁NO₂
Function
Skin conditioning - hydroxamic acid derivatives are typically used as chelating agents and enzyme inhibitors in cosmetic applications
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Allowed - no specific prohibitions or restrictions

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Limited publicly available safety data specific to cosmetic use; hydroxamic acids as a class may raise concerns regarding skin sensitization at higher concentrations. A biphenyl-substituted hydroxamic acid; hydroxamic acids are known metalloenzyme inhibitors (e.g., MMP inhibitors), which is relevant for anti-aging applications targeting collagen degradation

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Biphenylhydroxamic Acid safe in cosmetics?

Limited publicly available safety data specific to cosmetic use; hydroxamic acids as a class may raise concerns regarding skin sensitization at higher concentrations. A biphenyl-substituted hydroxamic acid; hydroxamic acids are known metalloenzyme inhibitors (e.g., MMP inhibitors), which is relevant for anti-aging applications targeting collagen degradation The EU classifies Biphenylhydroxamic Acid as "permitted". Safety rating: MODERATE.

Is Biphenylhydroxamic Acid allowed in the EU?

Biphenylhydroxamic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Biphenylhydroxamic Acid do in cosmetics?

Biphenylhydroxamic Acid functions as: Skin conditioning - hydroxamic acid derivatives are typically used as chelating agents and enzyme inhibitors in cosmetic applications. It is classified as a cosmetic ingredient in our database. CAS number: Listed on PubChem as CID 44369716; molecular formula C₁₃H₁₁NO₂.

What is the Margin of Safety for Biphenylhydroxamic Acid?

not established 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.

📱

Is Biphenylhydroxamic Acid in Your Products?

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.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Biphenylhydroxamic Acid in your formulation.