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LC5116 Potassium sulfate
cryst. suitable for use as excipient

 

Order number Packaging Quantity Price €
AC32116 Plastic bottle 1 kg inquire
AC32116 Double PE Sack 25 kg inquire

 

Product information
Synonyms Potassium pyrosulfate
Hill Formula K2O4S
Chemical formula K2SO4
HS Code 3105 10 00
EC number 231-915-5
Molar mass 174.26 g/mol
CAS number 7778-80-5

 

Chemical and physical data
Solubility 111 g/l (20 °C)
Melting point 1069 °C
Molar mass 174.26 g/mol
Density 2.66 g/cm3 (20 °C)
Bulk density 800 kg/m3
pH value 5.5 – 7.5 (50 g/l, H2O, 20 °C)
Boiling point 1689 °C (1013 hPa)

 

Safety information
RTECS TT5900000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

 

Transport information
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good

 

Toxicological data
LD 50 oral LD50 rat 6600 mg/kg

 

Specifications
Assay (alkalimetric, calculated on dried substance) 99.0 – 101.0 %
Identity passes test
Appearance of solution passes test
Acidity or alkalinity passes test
Chloride (Cl) ≤ 0.004 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0002 %
Ca (Calcium) ≤ 0.02 %
Fe (Iron) ≤ 0.001 %
Mg (Magnesium) ≤ 0.002 %
Na (Sodium) ≤ 0.01 %
Na (sodium) passes test
Residual solvents (Ph.Eur./ICH) excluded by manufacturing process
Loss on drying (130 °C) ≤ 1.0 %