Diammonium Citrate
AKA “3012-65-5, Ammonium citrate dibasic, Microstop, Diammonium hydrogen citrate, Dibasic ammonium citrate, Ammonium monohydrogen citrate, AmmCitrate, Ammonium citrate, dibasic, citric acid diammonium salt”
Ingredient
Ingredient Facts
Diammonium citrate
AKA: 3012-65-5, Ammonium citrate dibasic, Microstop, Diammonium hydrogen citrate, Dibasic ammonium citrate, Ammonium monohydrogen citrate, AmmCitrate, Dibasic, Citric acid diammonium salt
Ingredient · Buffering · EWG: 4
Synthetic
Chelating Agent
Chemical Exfoliant
Not Clean
Diammonium hydrogen 2-hydroxypropane-1,2,3-tricarboxylate
Effective at 19.5%
Solubility Slightly soluble in alcohol
Formula
C6H14N2O7
Mol. Weight
226.18
CAS #
3012-65-5
Form
Liquid
State
Ammonium citrate is a white granular solid. It is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is u
See origin →
Functions
Buffering
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
Stabilizes pH
Removes Metal Ions
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
Maintains optimal pH
Binds metal ions
Traditional Use
Modern chelating and pH-buffering agent developed for cosmetic formulations. Used primarily to prevent metal ion interactions and maintain formula stability rather than for traditional skincare benefits.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
5e-07%
39.0%
0%100%
Effective Range
CIR reported use: 0.0000005-39
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR