Sodium Methylparaben
AKA “Methylparaben sodium, sodium methyl paraben, Paratexin ms, Paridol mna, Nipagin m sodium, Solbrol m sodium salt, Methylparaben, sodium salt”
Synthetic
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Ingredient Facts
Sodium methylparaben
AKA: Methylparaben sodium, Sodium methyl paraben, Paratexin ms, Paridol mna, Nipagin m sodium, Solbrol m sodium salt, Sodium salt
Synthetic · Preservative | Antimicrobial · EWG: 4
Plant-Derived
Preservative
Synthetic
Not Clean
A gentle preservative that keeps your product fresh and effective, preventing unwanted bacteria and mold from forming.
Formula
C8H7NaO3
Mol. Weight
174.13
CAS #
5026-62-0
Form
Powder
Plant-Derived
Synthetic. Sodium methylparaben is synthesized from p-hydroxybenzoic acid, a benzoic acid derivative in the paraben chemical family. It is produced through esterification of p-hydroxybenzoic acid with methanol, followed by neutralization with sodium hydroxide.
Function
Preservative | Antimicrobial
Benefits
Preservative
Anti-Inflammatory
Antimicrobial
Fights Acne
Prevents microbial growth
Traditional Use
The sodium salt form of methylparaben, developed in the early 20th century. Used as a synthetic preservative to extend shelf life of cosmetic and personal care products.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Restricted By
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Phototoxicity Concern
Concentration Guide
8.0%
0%11%
Reg. Limit
EU regulatory limit: 8.0%. 0,4% (as acid) for single ester 0,8% (as acid) for mixtures of esters Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 12. Dermal absorption: 0.1%. Source: CIR Safety Assessment (CIR Seq 746).
Regulatory Agencies
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR