Ammonium Acetate
Ammonium ethanoate, CH3COONH4
- CAS
- 631-61-8
- EC
- 211-162-9
- Sectors
- Pharma & Healthcare, Textiles, Leather & Paper
Ammonium Acetate (CAS 631-61-8) is the ammonium salt of acetic acid, a white crystalline solid with an acetic odor that is supplied in Pharma Grade and used as a buffering agent in chemical analysis and pharmaceutical synthesis and as a dyeing auxiliary in textile processing. It is characterized by its high solubility in water and ability to maintain stable pH.
In the pharmaceutical sector, it serves as a critical reagent for protein purification and mass spectrometry. Its biodegradable properties make it a preferred choice for eco-friendly industrial processes.
The chemical also functions as a dyeing auxiliary in the textile industry, ensuring uniform color distribution. It is prized for its role as a mild acidulant in sensitive reactions.
Typical Properties
| Molecular formula | C2H4O2.H3N |
|---|---|
| Molecular weight | 77.08 g/mol |
| Appearance | Ammonium acetate is a white crystalline solid. Acetic odor. |
| Form | Solid |
| Color | White |
| Odor | Slight acetic acid odor |
| Melting point | 114 °C |
| Density | 1.17 g/cm³ @ Temp: 20 °C |
| Water solubility | 1480 g/L (20 °C) |
| Flash point | 136 °C |
| pH | 6.7-7.3 (50g/l, H2O, 25°C) |
| HS code | 29152900 |
| Grades available | Pharma Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Ammonium Acetate
Applications
- Pharmaceutical Synthesis: Used as a buffer and reagent in the production of various active pharmaceutical ingredients.
- Analytical Chemistry: Frequently employed in HPLC and mass spectrometry as a volatile buffer component.
- Textile Dyeing: Acts as an auxiliary to control the rate of dye exhaustion in fiber processing.
Safety & Risks
Classified as a mild irritant. Avoid inhalation of dust and direct skin contact. Standard lab coats, safety goggles, and nitrile gloves are recommended for safe handling.
Packaging
25kg plastic-lined bags and fiber drums for pharmaceutical grades.