4-MPH is a new research chemical in the stimulant family with an IUPAC name 3-methyl-2(p-tolyl)morpholine. The chemical formula for 4-MPH is C12H17NO and it has a molecular weight of 191.27.

Research on analogs of 4-MPH was performed by US Environmental Protection Agency’s EPISuite, ACD/Labs’, and ChemAxon. The US Environmental Protection Agency’s EPISuite reported that analog has a 281.69 boiling point, 67.79 melting point, and 0.00203 vapor pressure estimations. The report also revealed that the chemical is water soluble at 25 deg C (mg/L): 3.073e+004. The removal in wastewater treatment was 1.97 percent for complete removal, complete biodegradation is 0.09 percent, total sludge adsorption is 1.88 percent, and to air 0.00.

ACD/Labs published information regarding their study which revealed 2 hydrogen bond acceptors, 1 hydrogen bond donors, 1 freely rotating bonds, 1.503 index of refraction with a 34.4±3.0 dyne/cm surface tension, 1112.7±12.6 °C a flash point and a 285.2±25.0 °C boiling point at 760 mmHg.

ChemAxon published a topology report showing a 28 atom count, 29 bond count, 2 cyclomatic number, 1 chain atom count, 2 chain bond count, 2 asymmetric atom count, and 1 rotatable bond count.

Other research published regarding 4-MPH analog revealed a 13 heavy atom count, 21.3 A2 topological polar surface area, 1 covalently bonded unit count, and 2 undefined atom stereocenter count.

4-MPH is only intended for research purposes in a controlled laboratory for forensic or scientific study and is NOT intended for human or animal consumption.