Ammonium chloride
About This Item
Linear Formula:
NH4Cl
CAS Number:
12125-02-9
Molecular Weight:
53.49
General description
Crystals of ammonium chloride (NH4Cl) belong to the cubic crystal system. It can be synthesized by reacting HCl with aqueous ammonia solutions. NH4Cl is formed as a by-product during soda manufactured by Solvay process.
Quality Segment: 200
Agency: suitable for SM 5210
Vapor Density: 1.9 (vs air)
Vapor Pressure: 1 mmHg (160.4 °C)
Assay: ≥99.5%
Form: Powder, crystals or chunks
Reaction Suitability: reagent type: inorganic catalyst
Impurities: ≤0.005% insolubles
Ignition Residue: ≤0.01%
pH: 4.5-5.5 (25 °C, 5%)
Melting Point: 340 °C (subl.) (lit.)
Anion Traces: phosphate (PO43-): ≤2 ppm, sulfate (SO42-): ≤0.002%
Cation Traces: Ca: ≤0.001%, Fe: ≤2 ppm, Mg: ≤5 ppm, heavy metals: ≤5 ppm (by ICP)
SMILES String: N.Cl
