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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 93601Generated: October 23, 2026

1-(3,4-Dichlorophenyl)piperazine

TIMTEC-BB SBB003275 · RARECHEM AH CK 0083 · Trazodone impurity QZT-IM-3-Z5 · N-(3,4-DICHLOROPHENYL)PIPERAZINE · 4-(3,4-Dichlorophenyl)piperazine · 1-(3,4-DICHLOROPHENYL)PIPERAZINE · Piperazine, 1-(3,4-dichlorophenyl)- · 1-(3,4-Dichlorophenyl)piperazine>1,2-Dichloro-4-(1-piperazino)benzene

https://huagongshe.com/en/chemical/93601

1-(3,4-Dichlorophenyl)piperazine molecular structure

Identifiers & Physical Properties

CAS No.57260-67-0
Molecular formulaC10H12Cl2N2
Average molar mass231.12 g/mol
Monoisotopic mass230.03775374 g/mol
SMILESClc1ccc(N2CCNCC2)cc1Cl
InChIKeyPXFJLKKZSWWVRX-UHFFFAOYSA-N
PubChem CID93601
ChEMBLCHEMBL2335159
EC No.260-652-9
DTXSIDDTXSID70205883

Chemical & Physical Properties

XLogP2.9
Topological polar surface area15.3
Hydrogen bond donors1
Hydrogen bond acceptors2
Rotatable bonds1
Heavy atoms14
Formal charge0
Complexity183
Melting point62-66 °C
Boiling point179 °C (15 mmHg)
Density1.2949 (rough estimate)
Refractive index1.6400 (estimate)
Flash point202°C/15mm
Storage conditionsStore below +30°C.
SolubilityDMSO (Slightly), Methanol (Slightly)
Physical stateSolid
pKa (acidity coefficient)8.71±0.10(Predicted)
ColorPale Beige to Pale Orange
BRN520169
InChI1S/C10H12Cl2N2/c11-9-2-1-8(7-10(9)12)14-5-3-13-4-6-14/h1-2,7,13H,3-6H2
InChIKeyPXFJLKKZSWWVRX-UHFFFAOYSA-N
SMILESClc1ccc(cc1Cl)N2CCNCC2
CAS DataBase Reference57260-67-0(CAS DataBase Reference)
NIST Chemistry Reference1-(3,4-Dichlorophenyl)-piperazine(57260-67-0)
UNSPSC Code12352100
GHS pictogramGHS07,GHS05
Signal wordWarning
GHS hazard statementsH318-H302+H312-H314-H315-H319-H335
GHS precautionary statementsP260h-P301+P330+P331-P303+P361+P353-P501a-P261-P305+P351+P338-P260-P264-P270-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P405-P501
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)26-24/25-36
UN transport number3259
Water hazard class (WGK)3
Hazard NoteIrritant
Hazard class8Eye Irrit. 2Skin Irrit. 2STOT SE 3
Packing groupII
Customs code29335995
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationDangerH314 (16.7%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P319, P321, P332+P317, P337+P317, P362+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Corr. 1C (16.7%)
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
UN transport number3259
Customs code29335995
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07,GHS05
Hazard symbolsXi
hazard_noteIrritant
Safety statements (S)26-24/25-36
Hazard class8Eye Irrit. 2Skin Irrit. 2STOT SE 3
Storage class11 - Combustible Solids
Packing groupII
Target organsRespiratory system
GHS hazard statementsH318-H302+H312-H314-H315-H319-H335
GHS precautionary statementsP260h-P301+P330+P331-P303+P361+P353-P501a-P261-P305+P351+P338-P260-P264-P270-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P405-P501

Applications & Uses

Uses

1-(3,4-Dichlorophenyl)piperazine is an N-substituted piperazine. Its freezing point and boiling point are 335.65K and 643.73K. Its density and refractive index at 25°C are 1.2949g/cm3 and 1.6400.

General Description

1-(3,4-Dichlorophenyl)piperazine is an N-substituted piperazine. Its freezing point and boiling point are 335.65K and 643.73K. Its density and refractive index at 25°C are 1.2949g/cm3 and 1.6400.