3-Aminopropane Sulfonic Acid

INCI: 3-AMINOPROPANE SULFONIC ACID

CAS Number
3687-18-1 (also known as homotaurine)
Function
Surfactant, hydrotrope (improves solubility) and cleansing agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically restricted by FDA

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

Homotaurine analog with acceptable safety profiles; studied as pharmaceutical (tramiprosate) with minimal cosmetic concern.

โš ๏ธ
Concern Level: Low

Frequently Asked Questions

Is 3-Aminopropane Sulfonic Acid safe in cosmetics?

Homotaurine analog with acceptable safety profiles; studied as pharmaceutical (tramiprosate) with minimal cosmetic concern. The EU classifies 3-Aminopropane Sulfonic Acid as "permitted". Safety rating: GOOD.

Is 3-Aminopropane Sulfonic Acid allowed in the EU?

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

What does 3-Aminopropane Sulfonic Acid do in cosmetics?

3-Aminopropane Sulfonic Acid functions as: Surfactant, hydrotrope (improves solubility) and cleansing agent. It is classified as a cosmetic ingredient in our database. CAS number: 3687-18-1 (also known as homotaurine).

What is the Margin of Safety for 3-Aminopropane 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.

๐Ÿ“ฑ

Is 3-Aminopropane Sulfonic Acid in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for 3-Aminopropane Sulfonic Acid in your formulation.