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Disodium Fumarate
AKA “17013-01-3, Fumaran sodny, FUMARIC ACID, DISODIUM SALT, Fumaran sodny [Czech], disodium (2E)-but-2-enedioate, 2-Butenedioic acid (E)-, disodium salt, UNII-0578QTK490, FUMARATE DISODIUM, EINECS 241-087-7”
Ingredient
Ingredient Facts
Disodium fumarate
AKA: 17013-01-3, Fumaran sodny, FUMARIC ACID, DISODIUM SALT, Fumaran sodny [Czech], Disodium (2E)-but-2-enedioate, 2-Butenedioic acid (E)-, Disodium salt, UNII-0578QTK490, FUMARATE DISODIUM, EINECS 241-087-7
Ingredient · Buffering · EWG: 4
Synthetic
Not Clean
Disodium fumarate is an organic sodium salt resulting from the replacement of the protons from the carboxy groups of fumaric acid by sodium ions. It has a role as a food acidity regulator. It contains a fumarate(2-).
Formula
C4H2Na2O4
Mol. Weight
160.04
CAS #
17013-01-3
Form
Powder
State
Pellets or Large Crystals
See origin →
Functions
Buffering
Stabilizes pH
Antioxidant Protection
Traditional Use
Synthetic salt derived from fumaric acid (which occurs naturally in lichen and fungi); developed in modern cosmetics as a preservative and pH buffer.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Non-Comedogenic
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR