Erbium(III) oxalate hydrate CAS 304675-52-3

Purity 97%+In StockPharmaceutical Standards
CAS No.304675-52-3
Molecular FormulaC3H9Er
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Erbium(III) oxalate hydrate CAS 304675-52-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 274.39 g/mol gives Erbium(III) oxalate hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Erbium(III) oxalate hydrate (CAS 304675-52-3), a certified reference material (molecular formula C3H9ErCO2H2O, MW 274.39 g/mol) for analytical method development and quality control.

Erbium(III) oxalate hydrate (C3H9ErCO2H2O) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), Erbium(III) oxalate hydrate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC3H9Er 3*CO2 H2O
Molecular Weight274.39 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)-0.5
CAS Registry Year (est.)2025

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