3,3-Dichloroprop-2-enoic acid CAS 1561-20-2

Description

The occurrence of 3,3-Dichloroprop-2-enoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3,3-Dichloroprop-2-enoic acid (CAS 1561-20-2), molecular formula C3H2Cl2O2 and molecular weight 140.95 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C3H2Cl2O2, 3,3-Dichloroprop-2-enoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 140.95 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), 3,3-Dichloroprop-2-enoic acid 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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