Sodium Sulphate anhydrous, granulated

Identification                                                         

Na2SO4

M = 142,04 g/mol

CAS [7757-82-6]

EC number: 231-820-9

Taric code: 2833 11 00

Synonyms                                    

Sulfuric acid sodium salt

Applications                                                

analytical chemistry, organic solvents drying.

Specifications

assay……………………….. min. 99 %
identity………………………… passes test
appearance of solution (10 %, H2O)……….. passes test
insoluble in water……… max. 0,01 %
pH (5 %, H2O)…………………… 5,2 – 8,0
acidity or alkalinity………. passes test
chlorides (Cl)…………. max. 0,001 %
phosphates (as PO4)……… max. 0,001 %
total nitrogen (as N)……. max. 0,0005 %

arsenic (As)………………… max. 1 ppm
calcium (Ca)……………. max. 0,005 %
heavy metals (as Pb)……………… max. 0,0005 %
iron (Fe)…………………….. max. 5 ppm
magnesium (Mg)………. max. 0,001 %
potassium (K)……………. max. 0,002 %
zinc (Zn)……………………. max. 0,002 %
loss on ignition (600 °C)…………. max. 0,5 %

Packaging

  • 1000 g

Physical data                                                           

  • Appearance: crystals, colourless or white
  • Spec. Density: 2,70 g/cm3
  • Bulk density: ~ 1400 – 1600 kg/m3
  • Solub. in water: (20 ºC): 160 g/l
  • Melting point: 888 ºC
  • Boiling point: > 890 ºC (decomposes)
  • pH(50 g/l H2O, 20 ºC) 5 – 8
  • Hygroscopic