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1-Benzoylpiperazine hydrochloride

Also known as: 1-Benzoylpiperazine monohydrochloride, Phenyl(piperazin-1-yl)methanone hydrochloride, N-Benzoylpiperazine hydrochloride, Benzoylpiperazine hydrochloride, 1-Benzoylpiperazine hyrochloride, MFCD00459578

1-Benzoylpiperazine hydrochloride (CAS 56227-55-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H15ClN2O and a molecular weight of 226.703 g/mol. Key properties include a melting point of >230ºC(lit.), a boiling point of 370.9ºC at 760 mmHg and a flash point of 178.1ºC. 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 Nov 3, 2026.

CAS No.
56227-55-5
Jingsj CID
J-43889-1
Molecular Formula
C11H15ClN2O
Molecular Weight
226.703 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Melting Point>230ºC(lit.)
Boiling Point370.9ºC at 760 mmHg
Flash Point178.1ºC
Exact Mass226.087296
PSA32.34000
LogP1.80070

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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-Benzoylpiperazine hydrochloride?

The CAS number of 1-Benzoylpiperazine hydrochloride is 56227-55-5.

What are the molecular formula and molecular weight of 1-Benzoylpiperazine hydrochloride?

1-Benzoylpiperazine hydrochloride has molecular formula C11H15ClN2O and molecular weight 226.703 g/mol.

Is 1-Benzoylpiperazine hydrochloride hazardous?

1-Benzoylpiperazine hydrochloride 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-Benzoylpiperazine hydrochloride?

For 1-Benzoylpiperazine hydrochloride, Upstream Products: benzoic acid, N-Benzoylimidazole, Ethanol; Downstream Products: Temsavir, 1-Benzoylpiperazine.

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

Last updated:

How to cite: Jingsj. "1-Benzoylpiperazine hydrochloride (CAS 56227-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43889-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.