Moderate Cosmetic Ingredient

Ammonium Phenolsulfonate

INCI: AMMONIUM PHENOLSULFONATE

CAS Number
6554-98-9
Function
Antimicrobial, Deodorant, Preservative-type activity
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not specifically restricted by FDA; no dedicated CIR review

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Phenol-class ingredient with cytotoxicity concerns at elevated concentrations. Not COSMOS/ECOCERT eligible. If intended as preservative, must be listed in Annex V for EU compliance; currently not listed, so antimicrobial claims would be non-compliant.

⚠️
Concern Level: Moderate

Regulatory Flags

preservative

Frequently Asked Questions

Is Ammonium Phenolsulfonate safe in cosmetics?

Phenol-class ingredient with cytotoxicity concerns at elevated concentrations. Not COSMOS/ECOCERT eligible. If intended as preservative, must be listed in Annex V for EU compliance; currently not listed, so antimicrobial claims would be non-compliant. The EU classifies Ammonium Phenolsulfonate as "permitted". Safety rating: MODERATE.

Is Ammonium Phenolsulfonate allowed in the EU?

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

What does Ammonium Phenolsulfonate do in cosmetics?

Ammonium Phenolsulfonate functions as: Antimicrobial, Deodorant, Preservative-type activity. It is classified as a cosmetic ingredient in our database. CAS number: 6554-98-9.

What is the Margin of Safety for Ammonium Phenolsulfonate?

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.

Compliance Tools

Check Ammonium Phenolsulfonate compliance across multiple jurisdictions:

🔬
Ingredient Decoder
Paste a full ingredient list for instant analysis
 🌸
82 Allergen Checker
Check for EU declarable fragrance allergens
 🧪
Substance Compliance
Check compliance across 55 jurisdictions
 🧮
MoS Calculator
Calculate Margin of Safety using SCCS methodology
 ⚗️
Heavy Metal Limits
Compare limits across jurisdictions

Related Ingredients

Mixed Cresols
Moderate
Calcium Undecylenate
Good
Laur/Myrist/Palmitamidobutyl Guanidine Acetate
Moderate
Calcium Benzoate
Good
DEDM Hydantoin
Moderate
Browse all 30,000+ ingredients →
📱

Is Ammonium Phenolsulfonate 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 Ammonium Phenolsulfonate in your formulation.

Ingredient Decoder MoS Calculator