Ammonium acetate
What is Ammonium acetate?
Ammonium acetate (CAS 631-61-8), also known by its food additive designation E264, is an ammonium salt used in food, pharmaceutical and analytical chemistry.
Where is Ammonium acetate used?
- Food and beverage: preservative, acidity regulator in baked goods, condiments and meat products
- Pharmaceuticals: buffered solutions and reagent in API synthesis, particularly reductive amination
- Personal care: humectant and pH stabilizer in lotions and topical formulations
- Analytical and biotech laboratories rely on it as a volatile buffer in HPLC mobile phases and LC-MS workflows.
Good to know: Its low residue profile is critical for instrument compatibility.
Commercial specifications
- Food-grade (FCC, E264-compliant), USP/BP and high-purity analytical grades meeting HPLC and LC-MS specifications
Other Names (Synonyms)
azanium acetate|ammonium ethanoate|acetic acid, ammonium salt|RRE756S6Q2|RefChem:5546|Acetic acid, ammonium salt (1:1)|Mindererus's spirit|CH3COONH4|E264