Sodium iodide CAS 7681-82-5

Description

Compared with other compounds in its class, the molecular weight of 149.89 g/mol gives Sodium iodide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Sodium iodide (CAS 7681-82-5), molecular formula INa and molecular weight 149.89 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula INa, Sodium iodide contains a salt form, iodine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 149.89 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

As a certified reference material (CRM), Sodium iodide 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

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