2,2,5,5-Tetramethylcyclohexane-1,4-dione CAS 86838-54-2

Purity 97%+In StockPharmaceutical Standards
CAS No.86838-54-2
Molecular FormulaC10H16O2
Molecular Weight168.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,2,5,5-Tetramethylcyclohexane-1,4-dione CAS 86838-54-2 chemical structure

Description

2,2,5,5-Tetramethylcyclohexane-1,4-dione (CAS 86838-54-2) is a high-purity analytical reference standard with the molecular formula C10H16O2 and a molecular weight of 168.23 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 2,2,5,5-Tetramethylcyclohexane-1,4-dione is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 168.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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), 2,2,5,5-Tetramethylcyclohexane-1,4-dione 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 FormulaC10H16O2
Molecular Weight168.23 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1981

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