ARSENIC PENTOXIDE CAS 1303-28-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1303-28-2
Molecular FormulaAs2O5
Molecular Weight229.84 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

ARSENIC PENTOXIDE CAS 1303-28-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 229.84 g/mol gives ARSENIC PENTOXIDE distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

ARSENIC PENTOXIDE (CAS 1303-28-2) is a high-purity analytical reference standard with the molecular formula As2O5 and a molecular weight of 229.84 g/mol.

Owing to an inorganic composition, ARSENIC PENTOXIDE is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 229.84 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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), ARSENIC PENTOXIDE 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 FormulaAs2O5
Molecular Weight229.84 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Freely soluble in water
StabilityHygroscopic; reseal immediately after opening
CAS Registry Year (est.)1957

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