murphySodium Carboxymethyl Dextran
molecular structure · PubChem
AKA: Carboxymethyldextran Sodium Salt (Mw.=ca. 10, 000), 39422-83-8
Synthetic
Emulsifier
Clean
OriginDerived from dextran, a polysaccharide produced by bacteria fermentation, typically from sucrose. Synthesized by carboxymethylation of dextran through chemical modification with chloroacetic acid.
Dextran, carboxymethyl ethers, sodium salts
Formula
C40H43Na11O38
Mol. Weight
1384.60
CAS #
39422-83-8
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Anti-Inflammatory
Antimicrobial
Fights Acne
Holds ingredients together
Keeps product blended
Controls product thickness
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Not a Sensitizer (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · report published 2016
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR