Dithiopyrophosphoric Acid CAS 36558-41-5

Purity 97%+In StockPharmaceutical Standards
CAS No.36558-41-5
Molecular FormulaH4O5P2S2
Molecular Weight210.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Dithiopyrophosphoric Acid CAS 36558-41-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 210.11 g/mol gives Dithiopyrophosphoric Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Dithiopyrophosphoric Acid (CAS 36558-41-5), molecular formula H4O5P2S2 and molecular weight 210.11 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula H4O5P2S2, Dithiopyrophosphoric Acid contains a sulfone group, a phosphate ester group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 210.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures Dithiopyrophosphoric Acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaH4O5P2S2
Molecular Weight210.11 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.)1967
Sulfur Atoms2

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