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FORMULA
Ammonium acetate, also known as spirit of Mindererus in aqueous solution, is a chemical compound with the formula NH₄CH₃CO₂. It is a white, hygroscopic solid and can be derived from the reaction of ammonia and acetic acid. It is available commercially
C₂H₇NO₂
Synonyms: Ammonium acetate, Ammonium Acetate
Linear Formula: CH3CO2NH4
CAS Number: 631-61-8
Molecular Weight: 77.08
Linear Formula: CH3CO2NH4
CAS Number: 631-61-8
Molecular Weight: 77.08
SPECIFICATION
Specifications | Crystal-ACS | Crystal-Purified | Solution-Technical |
Assay | 97.0 % min | 97.0 % min | 65±2 % |
Insoluble Matter | 0.005 % max | 0.01 % max | 0.01 % max |
Residue After Ignition | 0.01 % max | 0.05 % max | 0.1 % max |
pH of a 5% solution @25°C | 6.7-7.3 | 6-7 – 7.5 | 6.9-7.1 |
Chloride | 5 ppm max | 0.005 % max | ——— |
Sulfate | 0.001 % max | 0.005 % max | ——— |
Heavy Metals (as Pb) | 5 ppm max | 0.005 % max | 0.005% max |
Iron | 5 ppm max | 0.005 % max | 0.005% max |
Nitrate | 0.001% max | 0.005% max | 0.005 % max |
PHYSICAL PROPERTIES
Physical Crystal Liquid Properties Appearance White deliquescent Colorless liquid | ||
| crystal |
|
Melting Point | 114°C | ————— |
Boiling Point | Decomposes | 232.0°F (111.1°C) |
Specific gravity (Relative to Water) | 1.17@20°C | 1.1@68°F |
Solubility in water | 148 g/100 ml @ 4°C | ————— |
