murphySodium Sesquicarbonate
AKA: Magadi soda, Snowflake crystals, 533-96-0, Urao, Trisodium hydrogendicarbonate, Sodium carbonate (3:2), Carbonic acid, Sodium salt (2:3), SQ 810, SESQUI TM
Synthetic
Cleanser
Clean
OriginSodium sesquicarbonate is a synthetic salt derived from sodium carbonate and sodium bicarbonate chemical precursors. It is produced by combining sodium carbonate with carbon dioxide and water under controlled industrial conditions.
abundant salt in East African countries used in treatment of high- & low-tannin grain sorghums to reduce assayable tannins & improve nutritive value of grains; sodium sesquicarbonate salt (MF= Na2CO3NaHCO3.H2O); RN given refers to Na salt[2:3]
Solubility Freely soluble in water
Formula
C2HNa3O6
Mol. Weight
189.99
CAS #
533-96-0
Form
Powder
State
Dry Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Buffering
Bulking
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Stabilizes pH
Adds Body & Volume
Removes Impurities
Removes dirt and impurities
Maintains optimal pH
Adds volume
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 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 Sensitizer (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients / not tested individually (CIR 167)
Eye Irritant in Testing
1 study / 1 irritating (CIR 167)
Concentration Guide
Leave-onNot reported
Rinse-off34.9%
0%50%100%
CIR reported use · 2023 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR