(S)-Piperazine-2-carboxylic acid dihydrochloride

(S)-哌嗪-2-羧酸二盐酸盐

Also known as: (S)-(-)-Piperazine-2-carboxylic acid dihydrochloride, 2-Piperazinecarboxylic acid, (S)-, dihydrochloride, 2-Piperazinecarboxylic acid dihydrochloride, (2S)-piperazine-2-carboxylic acid dihydrochloride, MFCD01632104

(S)-Piperazine-2-carboxylic acid dihydrochloride (CAS 158663-69-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H12Cl2N2O2 and a molecular weight of 203.067 g/mol. It is also known as (S)-(-)-Piperazine-2-carboxylic acid dihydrochloride, 2-Piperazinecarboxylic acid, (S)-, dihydrochloride and 2-Piperazinecarboxylic acid dihydrochloride. Key properties include a melting point of 280ºC, a boiling point of 313.6ºC at 760 mmHg and a flash point of 143.5ºC. 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.
158663-69-5
Jingsj CID
J-1084444-5
Molecular Formula
C5H12Cl2N2O2
Chinese Name
(S)-哌嗪-2-羧酸二盐酸盐
Molecular Weight
203.067 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point280ºC
Boiling Point313.6ºC at 760 mmHg
Flash Point143.5ºC
Exact Mass202.027588
PSA61.36000
LogP0.89400
Vapor Pressure0.000107mmHg at 25°C

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 (S)-Piperazine-2-carboxylic acid dihydrochloride?

The CAS number of (S)-Piperazine-2-carboxylic acid dihydrochloride is 158663-69-5.

What are the molecular formula and molecular weight of (S)-Piperazine-2-carboxylic acid dihydrochloride?

(S)-Piperazine-2-carboxylic acid dihydrochloride has molecular formula C5H12Cl2N2O2 and molecular weight 203.067 g/mol.

Is (S)-Piperazine-2-carboxylic acid dihydrochloride hazardous?

(S)-Piperazine-2-carboxylic acid dihydrochloride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "(S)-Piperazine-2-carboxylic acid dihydrochloride (CAS 158663-69-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084444-5 (accessed 2026-10-28).

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