Article No. 05757
Purity 99%
Molecular Formula CH3COONa.3H2O
H.S. Code 2915.2990
Grade Extra Pure
CAS No. 6131-90-4
Molecular Weight 136.08
Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Slight acetic acid pH value 8.5 - 10 at 408 g/l at 25 °C
Melting point/ Freezing point [°C] 58°C Auto-ignition temperature [°C] 600 °C
Density [g/cm3] 1.45 Solubility in water [% weight] 408 g/l at 20 °C - completely soluble

Specifications

Appearance White crystalline powder. Assay 99 - 101%
pH (5% solution in water) 7.5 - 9.0 Loss on drying (at 130°C) 39 - 40.5%
Chloride (Cl) Max 0.005% Nitrogen compounds (as N) Max 0.005%
Phosphate (PO4) Max 0.001% Sulphate (SO4) Max 0.003%
Calcium & magnesium (as Ca) Max 0.005% Heavy metal (as Pb) Max 0.0006%
Aluminium (Al) Max 0.005% Arsenic (As) Max 0.0002%
Iron (Fe) Max 0.001% Potassium (K) Max 0.01%
Reducing substance Passes test