Ammonium hydroxide solution, ACS reagent, 28.0-30.0% NH3 basis [2.5 Litres]

Ammonium hydroxide solution, ACS reagent, 28.0-30.0% NH3 basis [2.5 Litres]

R2,173.13

Item in stock, allow 5-7 working days delivery period within South Africa and 7-10 working days for orders within Southern Africa

2 in stock (can be backordered)

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SKU: ZA.003.381 Category:

Description

Synonyms: Ammonia aqueous, Ammonia water
Linear Formula: NH4OH

General description

Ammonium hydroxide is a weak base mainly used as a source to prepare other ammonium compounds like urea, ammonium carbonate and ammonium sulfate etc.

Application

Ammonium hydroxide solution may be used:

  • As a medium to prepare magnetite (Fe3O4) nanoparticles via a modified controlled chemical coprecipitation method.
  • As a solvent and reagent to prepare 4-aryl and 4-alkyl-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylates via Hantzsch synthesis in a microwave cavity synthesizer.

PROPERTIES

grade

ACS reagent

form

liquid

autoignition temp.

1204 °F

expl. lim.

27 %

concentration

28.0-30.0% NH3

impurities

MnO4– reducers, passes test
≤0.002% CO2

ign. residue

≤0.002%

pH

11.7 (20 °C)

density

0.9 g/mL at 25 °C (lit.)

anion traces

chloride (Cl–): ≤0.5 ppm
nitrate (NO3–): ≤2 ppm
phosphate (PO43-): ≤2 ppm
sulfate (SO42-): ≤2 ppm

cation traces

Fe: ≤0.2 ppm
heavy metals: ≤0.5 ppm (by ICP)

storage temp.

2-8°C

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