Sodium Methylparaben

AKA: Methylparaben sodium, Sodium methyl paraben, Paratexin ms, Paridol mna, Nipagin m sodium, Solbrol m sodium salt, Sodium salt, Ns 3500s
Synthetic
Preservative
Not Clean
OriginSodium 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.
Sodium 4-(methoxycarbonyl)phenolate
Formula
C8H7NaO3
Mol. Weight
174.13
CAS #
5026-62-0
Form
Powder
State
White, hygroscopic powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Anti-Inflammatory
Antimicrobial
Fights Acne
Prevents microbial growth
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.00001–0.4%
Rinse-offNot reported
0%50%100%
Reg. limit 0.4%
CIR reported use · report published 2020
EU regulatory limit: 0.4% (as acid) for a single ester, 0.8% (as acid) for mixtures of esters. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 12.
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR