Sodium Naphthalenesulfonate
AKA “Sodium 1-naphthalenesulfonate, 130-14-3, 1-Naphthalenesulfonic acid, sodium salt, sodium salt (1:1), Sodium alpha-naphthalenesulfonate, UNII-MAI7V3C3PN, MAI7V3C3PN, Sodium alpha-naphthalenesulfonic acid, Sodium alpha-naphthylsulfonate, DTXSID3042394”
Surfactant
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Ingredient Facts
Sodium naphthalenesulfonate
AKA: Sodium 1-naphthalenesulfonate, 130-14-3, 1-Naphthalenesulfonic acid, Sodium salt, Sodium salt (1:1), Sodium alpha-naphthalenesulfonate, UNII-MAI7V3C3PN, MAI7V3C3PN, Sodium alpha-naphthalenesulfonic acid, Sodium alpha-naphthylsulfonate, DTXSID3042394
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Not Clean
2-Naphthalenesulfonic Acid, Sodium Salt
Formula
C10H7NaO3S
Mol. Weight
230.22
CAS #
532-02-5, 1321-69-3
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hydrotrope
Cleansing Surfactant
Surfactant Hydrotrope
Lifts away dirt and oil
Improves ingredient solubility
Traditional Use
A synthetic aromatic compound developed for industrial and cosmetic use. Functions as a pH buffer or solubilizing agent in modern cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Effects of Sodium Salts of Fatty Acids and Their Derivatives on Skin Permeation of Cromolyn Sodium.
Akinbote OE, Verana G, Dandekar AA, Tijani AO, Mishra D et al.
AAPS PharmSciTech, 2023
Effects of Sodium Salts of Fatty Acids and Their Derivatives on Skin Permeation of Cromolyn Sodium.
Akinbote OE, Verana G, Dandekar AA, Tijani AO, Mishra D et al.
AAPS PharmSciTech, 2023
Sodium Naphthalenesulfonate and Sodium Polynaphthalenesulfonate.
Burnett C, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
Final Report on the Amended Safety Assessment of Sodium Polynaphthalenesulfonate and Sodium Naphthalenesulfonate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Sodium Polynaphthalenesulfonate and Sodium Naphthalenesulfonate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Sodium Naphthalenesulfonate and Sodium Polynaphthalenesulfonate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Sodium Naphthalenesulfonate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Final report on the amended safety assessment of sodium polynaphthalenesulfonate and sodium naphthalenesulfonate.
Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
SODIUM SALT
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR