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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 83113Generated: October 24, 2026

1-(p-Tolyl)piperazine

1-(P-TOLYL)PIPERAZINE · RARECHEM AH CK 0137 · N-(P-TOLYL)PIPERAZINE · Methylphenylpiperazine · 1-(4-Methyphenyl)piperazine · 4-(4-Methylphenyl)piperazine · 1-(4-METHYLPHENYL)PIPERAZINE · N-(4-Methylphenyl)piperazine

https://huagongshe.com/en/chemical/83113

1-(p-Tolyl)piperazine molecular structure

Identifiers & Physical Properties

CAS No.39593-08-3
Molecular formulaC11H16N2
Average molar mass176.26 g/mol
Monoisotopic mass176.13134851 g/mol
SMILESCc1ccc(N2CCNCC2)cc1
InChIKeyONEYFZXGNFNRJH-UHFFFAOYSA-N
PubChem CID83113
ChEMBLCHEMBL165462
EC No.254-534-6
DTXSIDDTXSID90192706

Chemical & Physical Properties

XLogP1.5
Topological polar surface area15.3
Hydrogen bond donors1
Hydrogen bond acceptors2
Rotatable bonds1
Heavy atoms13
Formal charge0
Complexity144
Melting point29-32 °C
Boiling point116 °C
Density1.012
Storage conditionsStorage temp. 2-8°C
Physical stateLow Melting Solid
pKa (acidity coefficient)9.00±0.10(Predicted)
ColorWhite to yellow
BRN139489
InChI1S/C11H16N2/c1-10-2-4-11(5-3-10)13-8-6-12-7-9-13/h2-5,12H,6-9H2,1H3
InChIKeyONEYFZXGNFNRJH-UHFFFAOYSA-N
SMILESCc1ccc(cc1)N2CCNCC2
CAS DataBase Reference39593-08-3(CAS DataBase Reference)
UNSPSC Code12352100
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)26
UN transport numberUN 3263 8/PG III
Water hazard class (WGK)3
F10-34
Hazard NoteIrritant
Hazard class8Eye Irrit. 2Skin Irrit. 2STOT SE 3
Packing groupIII
Customs code29335990
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationWarningH315 (95.2%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 42 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (95.2%)
F10-34
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
UN transport numberUN 3263 8/PG III
Customs code29335990
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
hazard_noteIrritant
Safety statements (S)26
Hazard class8Eye Irrit. 2Skin Irrit. 2STOT SE 3
Storage class11 - Combustible Solids
Packing groupIII
Target organsRespiratory system
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P305+P351+P338

Applications & Uses

Uses

N-4-Tolylpiperazine is useful in the synthesis of 10H-Phenothiazine derivatives as ferroptosis inhibitors. This is useful in the treatment of stroke.