Camphor Sulfonic Acid

INCI: CAMPHOR SULFONIC ACID

CAS Number
5872-08-2 (DL-form)
Function
Buffering, pH adjuster
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not established โ€” no published NOAEL specific to dermal route. Read-across from camphor (oral NOAEL available) possible but not ideal.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Strong acid requiring pH control and documentation in finished product; concentration-dependent irritation potential. Do not confuse with Benzylidene Camphor Sulfonic Acid (Annex VI UV filter, CAS 56039-58-6).

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Concern Level: Moderate

Frequently Asked Questions

Is Camphor Sulfonic Acid safe in cosmetics?

Strong acid requiring pH control and documentation in finished product; concentration-dependent irritation potential. Do not confuse with Benzylidene Camphor Sulfonic Acid (Annex VI UV filter, CAS 56039-58-6). The EU classifies Camphor Sulfonic Acid as "permitted". Safety rating: MODERATE.

Is Camphor Sulfonic Acid allowed in the EU?

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

What does Camphor Sulfonic Acid do in cosmetics?

Camphor Sulfonic Acid functions as: Buffering, pH adjuster. It is classified as a cosmetic ingredient in our database. CAS number: 5872-08-2 (DL-form).

What is the Margin of Safety for Camphor Sulfonic 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.

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