1-(3,4-Dichlorophenyl)piperazine

1-(3,4-二氯苯基)哌嗪

Also known as: 1,2-Dichloro-4-(1-piperazino)benzene, N-(3,4-Dichlorophenyl)piperazine, Piperazine, 1-(3,4-dichlorophenyl)-, TIMTEC-BB SBB003275, RARECHEM AH CK 0083, MFCD00023128

1-(3,4-Dichlorophenyl)piperazine (CAS 57260-67-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H12Cl2N2 and a molecular weight of 231.122 g/mol. It is also known as 1,2-Dichloro-4-(1-piperazino)benzene, N-(3,4-Dichlorophenyl)piperazine and Piperazine, 1-(3,4-dichlorophenyl)-. Key properties include a melting point of 62-66 °C, a boiling point of 370.1±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 177.6±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 57260-67-0
Jingsj CID: J-21393-8
Molecular Formula: C₁₀H₁₂Cl₂N₂
Chinese Name: 1-(3,4-二氯苯基)哌嗪
Molecular Weight: 231.122 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	62-66 °C
Boiling Point	370.1±42.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	177.6±27.9 °C
Exact Mass	230.037750
PSA	15.27000
LogP	2.67
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.570

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(3,4-Dichlorophenyl)piperazine?

The CAS number of 1-(3,4-Dichlorophenyl)piperazine is 57260-67-0.

What are the molecular formula and molecular weight of 1-(3,4-Dichlorophenyl)piperazine?

1-(3,4-Dichlorophenyl)piperazine has molecular formula C10H12Cl2N2 and molecular weight 231.122 g/mol.

Is 1-(3,4-Dichlorophenyl)piperazine hazardous?

1-(3,4-Dichlorophenyl)piperazine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-(3,4-Dichlorophenyl)piperazine?

For 1-(3,4-Dichlorophenyl)piperazine, Upstream Products: Bis(2-chloroethyl)amine hydrochloride, 3,4-Dichloroaniline, Piperazine.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-(3,4-Dichlorophenyl)piperazine (CAS 57260-67-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21393-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.