4,5-Ethylenedithio-1,3-dithiole-2-thione CAS 59089-89-3

Purity 97%+In StockPharmaceutical Standards
CAS No.59089-89-3
Molecular FormulaC5H4S5
Molecular Weight224.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,5-Ethylenedithio-1,3-dithiole-2-thione CAS 59089-89-3 chemical structure

Description

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

4,5-Ethylenedithio-1,3-dithiole-2-thione (CAS 59089-89-3) is a high-purity analytical reference standard with the molecular formula C5H4S5 and a molecular weight of 224.41 g/mol.

Structurally, 4,5-Ethylenedithio-1,3-dithiole-2-thione (C5H4S5) contains sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 224.41 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

As a certified reference material (CRM), 4,5-Ethylenedithio-1,3-dithiole-2-thione 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 FormulaC5H4S5
Molecular Weight224.41 g/mol
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1973
Sulfur Atoms5

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