Ammonium Carbonate
AKA “Diammonium carbonate, Carbonic acid, diammonium salt, Ammoniumcarbonat, Ammonium carbonicum, Ammonia sesquicarbonate, Carbonate d'ammoniaque”
Synthetic
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Ingredient Facts
Ammonium carbonate
AKA: Diammonium carbonate, Carbonic acid, Diammonium salt, Ammoniumcarbonat, Ammonium carbonicum, Ammonia sesquicarbonate, Carbonate d'ammoniaque
Synthetic · Buffering | pH Adjuster · EWG: 4
Plant-Derived
Synthetic
Clean
A natural pH balancer that helps keep formulas stable and gentle on skin. It maintains the product's effectiveness while ensuring it won't irritate.
Solubility Soluble in water
Formula
CH8N2O3
Mol. Weight
96.09
CAS #
10361-29-2
Form
Powder
Plant-Derived
Synthetic. Produced synthetically from ammonia and carbon dioxide through chemical combination. Manufactured via the Solvay process or direct synthesis of ammonia with CO2 gas.
Function
Buffering | pH Adjuster
Benefits
Stabilizes pH
Reduces Inflammation
Locks In Moisture
Traditional Use
Used in traditional Asian cuisine and baking since medieval times as a leavening agent; adapted for cosmetics in the 19th and 20th centuries as a pH buffer and skin stimulant. Also historically known as sal volatile or hartshorn.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR