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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 % |