Ammonium Acetate

Chemical Name: Ammonium Acetate
Chemical Formula: C₂H₇NO₂ or CH₃COONH₄
Molecular Weight: 77.08 g/mol
Appearance: White crystalline solid or granular crystals with a slight acetic acid odor
Density: 1.07 g/mL at 20°C
Melting Point: 110-112°C (with decomposition)
Solubility: Highly soluble in water (1480 g/L at 20°C), soluble in ethanol, slightly soluble in acetone
pH: Approximately 7 (neutral) for aqueous solutions, as both acetate and ammonium ions hydrolyze to similar extents
Hygroscopicity: Highly hygroscopic (absorbs moisture easily from air)
Stability: Decomposes when heated; stable under normal storage conditions 
Properties & Applications & PackagesInquiry
Technical Datas:

Items

(Reagent grade)

Specifications

(Premium pure)

Specifications

(Analysis pure)

Specifications

(Chemically pure)

Content(CH3COONH4),w/% ≥

98

98

97

PH value(50g/L,25℃)

6.7-7.3

6.5-7.5

6.5-7.5

Clarity Test/No ≤

2

3

5

Insoluble Substances,w/%  ≤

0.002

0.005

0.01

Ignition Residue,w/% ≤

0.005

0.005

0.01

Moisture(H2O),w/% 

2

-

-

Chlorides (Cl),w/% 

0.0005

0.0005

0.001

Sulfates(SO4),w/% 

0.001

0.002

0.005

Nitrates(NO3),w/% ≤

0.001

0.001

-

Phosphates (PO4),w/% ≤

0.0003

0.0005

-

Magnesium (Mg),w/% ≤

0.0002

0.0004

0.001

Calcium(Ca),w/% 

0.0005

0.001

0.002

Iron (Fe),w/% 

0.0002

0.0005

0.001

Heavy metal (Pb), w/% 

0.0002

0.0005

0.001

Reduction of Potassium Permanganate,w/%

0.0016

0.0032

0.0032


Uses and Applications
1. Analytical Chemistry
-Buffer Solution: Widely used to prepare buffer solutions for pH control in laboratory analyses 
-Analytical Reagent: Used as a reagent for determining aluminum and iron content 
-Chromatography: Employed as a mobile phase additive in liquid chromatography-mass spectrometry (LC-MS) 
-Precipitation Agent: Facilitates separation of lead sulfate from other sulfates 
2. Pharmaceutical Industry
-Diuretic: Used as a diuretic in some medicinal formulations 
-Drug Purification: Utilized in the purification of enzymes and hormones (e.g., chymotrypsin, urokinase) through extraction and precipitation processes 
-Pharmaceutical Synthesis: Serves as a reagent and intermediate in drug manufacturing 
3. Food Industry
-Meat Preservative: Functions as a preservative in meat products 
4. Industrial Applications
-Electroplating: Used in electroplating processes 
-Water Treatment: Applied in water treatment formulations 
-Textile Industry: Employed in dyeing and printing processes 
5. Electrochemical Applications
-Electrolyte: Shows excellent electrochemical performance across a wide temperature range, making it suitable for ammonium-ion battery electrolytes (high boiling point of 140°C and low freezing point of -44.2°C) 
6. Other Uses
-Source of Acetate Ligand: Provides acetate ions for coordination chemistry 
-Cosmetics: Functions as a buffering agent in cosmetic formulations 


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