di-Potassium oxalate monohydrate, EssentQ®

- Synonyms: Oxalic acid dipotassium salt monohydrate
- K2C2O4·H2O
- M = 184,24 g/mol
- CAS [6487-48-5]
- EINECS-No.: 209-506-8
- Solub. in water: (20 ºC): 360 g/l
- EC-Index-No.: 607-007-00-3
- GHS-signal word: Warning
- GHS-H sentences: H302 - H312
- GHS-P sentences: P280 - P264 - P270 - P321 - P301+P312 - P501a
- Tariff number: 2917 11 00 99
- Applications: analytical chemistry, for determination of: manganese.
- Appearance: Colourless solid

SPECIFICATIONS
assay (permanganometric): min. 99 %
insoluble in water: max. 0,025 %
pH (5 %, H2O): 7 - 8,5
chlorides (Cl): max. 0,002 %
sulfates (SO4): max. 0,02 %
ammonium (NH4): max. 0,005 %
copper (Cu): max. 0,003 %
heavy metals (as Pb): max. 0,002 %
iron (Fe): max. 0,001 %
lead (Pb): max. 0,002 %
nickel (Ni): max. 0,003 %