Physical Properties
Physical state at 20°C : Solid
Colour : Colorless crystals
Odour : Odorless
Melting point ............. 306°C
Boiling point .............. 380°C
Density ..................... 2.26 g/cm3
Solubility in water ..... 81.5 g/100 g water @ 150C
Specifications
Appearance : Colorless deliquescent crystals / White
crystalline powder
Assay ................................. Min 99%
pH ...................................... 5.5 - 8.3 (5%
solution in water; 25°C)
Insoluble matter ................. Max 0.005%
Chloride (Cl) ....................... Max 0.001%
Iodate (IO3) ........................ Max 0.0005%
Nitrite (NO2) ....................... Max 0.001%
Phosphate (PO4) ............... Max 0.0005%
Sulphate (SO4) .................. Max 0.003%
Calcium (Ca) ...................... Max 0.005%
Magnesium (Mg) ................ Max 0.002%
Heavy metal (as Pb) .......... Max 0.0005%
Iron (Fe) ............................. Max
0.0003%
Grade: pharmaceutical
primary standard
manufacturer/tradename:
EDQM
application(s): pharmaceutical
(small molecule)
format: neat
SMILES string: [Ca++].[H]O[H].[O-]C(=O)C([O-])=O
InChI: 1S/C2H2O4.Ca.H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;1H2/q;+2;/p-2
InChI key: LQHWSGSWNOHVHO-UHFFFAOYSA-L
General description
This product is provided as delivered and specified by the
issuing Pharmacopoeia. All information provided in support of this product,
including SDS and any product information leaflets have been developed and
issued under the Authority of the Issuing Pharmacopoeia. For further
information and support please go to the website of the issuing
Pharmacopoeia.
Application
Calcium oxalate monohydrate EP Reference standard, intended
for use in laboratory tests only as specifically prescribed in the European
Pharmacopoeia.
Packaging
The product is delivered as supplied by the issuing
Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.
Other Notes
Sales restrictions may apply.
