Overview
Daphenidine is a synthetic dissociative compound belonging to the diarylethylamine class, structurally related to phencyclidine (PCP) and diphenidine. It acts primarily as an NMDA receptor antagonist, disrupting glutamate signaling in the central nervous system. Developed for research purposes, it has been used in studies investigating neurotransmitter systems and dissociative anesthesia mechanisms. Unlike pharmaceutical NMDA antagonists, daphenidine lacks clinical approval and is strictly limited to controlled laboratory environments. Its molecular structure (C13H19NO) features a phenethylamine backbone with additional aromatic substitutions, contributing to its receptor binding profile.
Physical and Chemical Properties
As a research chemical, daphenidine typically presents as a white to off-white crystalline powder with moderate stability under standard laboratory conditions. Its solubility profile favors organic solvents like dimethyl sulfoxide (DMSO) or ethanol, while aqueous solubility is limited. The compound's molecular weight of 205.30 g/mol places it among mid-sized psychoactive research substances. Key chemical behaviors include sensitivity to UV light and oxidative degradation, necessitating amber glass storage. Thermal stability data (e.g., melting/boiling points) remain poorly documented in public literature, reflecting its status as a specialized research material rather than an industrial chemical.
Main Applications
In legitimate research contexts, daphenidine serves as a tool compound for studying NMDA receptor function and dissociative pharmacology. Neuroscience laboratories may employ it in receptor binding assays or electrophysiology experiments to probe glutamatergic transmission. Some studies investigate its comparative potency relative to structurally similar compounds like MXE or ketamine. Pharmaceutical researchers occasionally screen such compounds for potential therapeutic pathways, though daphenidine itself has no approved medical indications. All applications require strict adherence to institutional review protocols and chemical safety guidelines.
Safety and Storage
Daphenidine requires handling under Biosafety Level 1 or 2 conditions, with mandatory personal protective equipment (nitrile gloves, lab coat, eye protection). Inhalation risks necessitate fume hood use during weighing procedures. Storage demands airtight containers with desiccant packs, maintained at 2-8°C in darkness to prevent degradation. Spill management protocols should align with hazardous organic compound guidelines—using absorbent materials like vermiculite rather than direct contact. Institutional chemical hygiene plans must address proper disposal through licensed hazardous waste contractors, as sewer disposal violates environmental regulations in most jurisdictions.
B2B Procurement Guide
Procuring daphenidine for research requires verified end-user documentation demonstrating legitimate institutional use. Reputable suppliers provide batch-specific certificates of analysis (CoA) confirming identity (via HPLC or GC-MS) and purity (typically 97-99%). International shipments may require special customs declarations under "laboratory reagents." Pricing fluctuates based on quantity (gram to kilogram scale) and purity, with bulk purchases sometimes offering 10-30% discounts. Lead times average 2-6 weeks for international orders due to regulatory checks. Buyers should prioritize vendors compliant with the Chemical Weapons Convention (CWC) and national precursor chemical regulations.
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