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Ammonium Acetate

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Description

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.

Ammonium Acetate AR ACS Analytical Reagent
CH3COONH4
Formula Wt 77.08
CAS Number 631-61-8

REQUIREMENTS
Assay: 97.%
pH of a 5% solution: 6.7-7.3 at 25C

MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Residue after ignition: 0.01%
Chloride (Cl): 5 ppm
Nitrate (NO3): 0.001%
Sulfate (SO4): 0.001%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm

Uses:
NH4C2H3O2 is occasionally employed as a biodegradable de-icing agent. Ammonium acetate is useful as a catalyst in the Knoevenagel condensation and as a source of ammonia in the Borch reaction in organic synthesis.
As a protein precipitating reagent.
In dialysis as part of a protein purification step to remove contaminants via diffusion.
In agricultural chemistry used as reagent for determination of soil CEC (Cation Exchange Capacity ) and determination of available potassium in soil, the ammonium ion acts as a replacement cation
Ammonium acetate is also used as a food additive as an acidity regulator; INS number 264.

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