Diethanolamine Bisulfate
molecular structure · PubChem
AKA: 59219-56-6, Sulfate (1:1) (salt), Sulfate (1:1), 261-663-1, 2-(2-hydroxyethylamino)ethanol;sulfuric acid, 2'-Iminobis(ethanol) sulphate, Diethanolammonium sulfate
Synthetic
Not Clean
Bis(2-hydroxyethyl)ammonium hydrogen sulphate
Formula
C4H13NO6S
Mol. Weight
203.22
CAS #
59219-56-6
Form
Powder
Functions
Buffering
Moisturizing
Antimicrobial
Strengthens Barrier
Maintains optimal pH
Traditional Use
Developed in the 20th century as a synthetic buffering and pH-adjusting agent for cosmetic formulations. Used to stabilize and neutralize acidic ingredients in skincare and haircare products.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR