Packings
01360
Article No. 01360
Purity 99%
Molecular Formula (NH4)2SO4
H.S. Code 3102.2100
Grade AR/ACS
CAS No. 7783-20-2
Molecular Weight 132.13
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour Colorless crystals
Odour Slight odor of ammonia pH value 5 - 6
Melting point/ Freezing point [°C] > 280 °C Density [g/cm3] 1.77
Solubility in water [% weight] 750 g/l at 20 °C - completely soluble Partition coefficient Log Pow octanol / water at 20°C -5.1

Specifications

Appearance Colourless crystals/ white crystalline powder Assay (titration) Min.99.0%
Insoluble matter Max 0.005% pH (5% solution in water; 25°C) 5.0 to 6.0
Residue on ignition Max 0.005 % Heavy metals (by ICP-OES) Max 0.0005%
Chloride (Cl) Max 0.0005% Nitrate (NO3) Max 0.001%
Phosphate (PO4) Max 0.0005% Iron (Fe) Max 0.0005%