oMPP

Molecular structure via molpic based on CDK

Conformer []

Conformer structure via JSmol

Physical properties []
Molecular mass	176.26 g/mol ^[1]
Predicted LogP	2.2 ^[1]

Structural Identifiers []
Molecular formula	C₁₁H₁₆N₂ ^[1]
IUPAC name	1-(2-methylphenyl)piperazine ^[1]
SMILES	CC1=CC=CC=C1N2CCNCC2 ^[1]
InChI	InChI=1S/C11H16N2/c1-10-4-2-3-5-11(10)13-8-6-12-7-9-13/h2-5,12H,6-9H2,1H3 ^[1]
InChIKey	WICKLEOONJPMEQ-UHFFFAOYSA-N ^[1]

2-Methylphenylpiperazine

2-Methylphenylpiperazine (also known as 1-(2-Methylphenyl)piperazine, 1-(o-Tolyl)piperazine, Piperazine, 1-(2-methylphenyl)-, 4-(2-Methylphenyl)piperazine, ortho-Methylphenylpiperazine, 2-Mepp, O-methylphenylpiperazine, 254-481-9, 1-o-tolylpiperazine or 1-(2-Methylphenyl)-piperazine) is a stimulant substance of the phenylpiperazine class.

Chemistry

Stereochemistry []

2-Methylphenylpiperazine is a achiral mixture

Subjective effects []

Physical effects
Abnormal heartbeat Appetite suppression Dehydration Dry mouth Increased blood pressure Increased heart rate Increased libido Restless legs Shakiness Stamina enhancement Stimulation Teeth grinding Vasoconstriction

Cognitive effects
Analysis enhancement Cognitive euphoria Compulsive redosing Disinhibition Ego inflation Focus enhancement Increased music appreciation Mania Motivation enhancement Suggestibility suppression Thought acceleration Wakefulness

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 91965, 2-Methylphenylpiperazine. Accessed July 20, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/91965
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. 2-Methylphenylpiperazine. UNII: 6P26KQQ7V5. Global Substance Registration System. Accessed July 20, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/6P26KQQ7V5

Anodyne