Laboratory Chemicals

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HYDROXYLAMINE HYDROCHLORIDE AR/ACS

Physical Properties

Physical state at 20 °C Solid Colour White crystalline Odour Odorless pH value 2.5 - 3.5 Melting point/ Freezing point [°C] 155 - 157 °C Boiling point [°C] 305.6°C Density [g/cm3] 1.67 Solubility in water [% weight] Soluble in water

Specifications

Appearance : Colorless hygroscopic solids or white crystalline powder Assay :  Min 99%
Clarity of solution (1 g in 25 mL ethanol) : Passes test
pH (5% solution in water) :  2.5 - 3.5
Sulphur compounds (as SO4) : Max 0.005%
Heavy metals (by ICP-OES) : Max 0.0005%
Iron (Fe) : Max 0.0005%
Ammonium (NH4) : Passes ACS test
Residue on ignition : Max 0.05%
Titrable free acid : Max 0.25 meq/g