PMK Powder

PMK Powder

Product Name: PMK Ethyl Glycidate (commonly encountered as “PMK Powder”) Synonyms: Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate; 3-[3,4-(methylenedioxy)phenyl]-2-methyl oxirane-2-carboxylic acid ethyl ester; PMK glycidate

General Description: PMK ethyl glycidate is formally described as ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate. It is a synthetic epoxide derivative. Unlike psychoactive end-products, it is not utilized as a drug of abuse itself. Instead, it was developed by clandestine chemists as a “masked” precursor. Because pure PMK-Oil is heavily restricted and monitored globally, illicit manufacturers synthesize solid glycidate derivatives (which were historically uncontrolled) to safely ship across international borders. Once acquired, these solid powders are chemically converted back into PMK-Oil for the subsequent synthesis of MDMA (Ecstasy) and related methylenedioxyphenethylamines.

In analytical and forensic chemistry, PMK glycidate derivatives are utilized as fundamental reference standards. They are essential for the calibration of analytical instrumentation (such as GC-MS, LC-MS/MS, and FTIR) and the profiling of clandestine laboratory seizures. Identifying unreacted glycidate residues in seized MDMA allows forensic chemists to determine the specific synthetic pathways employed by illicit manufacturers and to track global precursor diversion routes.

Technical Information (PMK Ethyl Glycidate):

• CAS Number: 28578-16-7
• Molecular Formula: C₁₃H₁₄O₅
• Formula Weight: 250.25 g/mol
• SMILES: CCOC(=O)C1(C)OC1C2=CC3=C(C=C2)OCO3
• InChI Key: (Dependent on specific stereoisomerism, though generally encountered as a racemic mixture in forensic seizures)
• Formulation: Typically supplied as a neat white-to-yellowish crystalline powder or as a certified reference material solution (e.g., 1 mg/mL in methanol or acetonitrile) for analytical calibration.