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Merck
CN

P7003

Piperazine hexahydrate

analytical standard

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About This Item

Empirical Formula (Hill Notation):
C4H10N2 · 6H2O
CAS Number:
142-63-2
Molecular Weight:
194.23
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329820258
EC Number:
203-808-3
Beilstein/REAXYS Number:
4455527
MDL number:
MFCD00149389

Key Documents

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Product Name

Piperazine hexahydrate, analytical standard

InChI key

AVRVZRUEXIEGMP-UHFFFAOYSA-N

InChI

1S/C4H10N2.6H2O/c1-2-6-4-3-5-1;;;;;;/h5-6H,1-4H2;6*1H2

SMILES string

[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].C1CNCCN1

grade

analytical standard

vapor pressure

0.8 mmHg ( 20 °C)

assay

≥99% (TLC)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

145-156 °C (lit.)

mp

42-44 °C (lit.)

application(s)

forensics and toxicology
pharmaceutical (small molecule)

format

neat

Quality Level

200

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

Piperazine hexahydrate may be used as a standard for the determination of piperazine in pharmaceutical preparations using colorimetric technique.

pictograms

Health hazardCorrosion
GHS08,GHS05

signalword

Danger

Hazard Classifications

Repr. 2 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

190.4 °F - closed cup

flash_point_c

88 °C - closed cup

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
0000322048
0000322048
0000406827
0000404013
0000383315

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Colorimetric determination of piperazine in pharmaceutical formulations
Dessouky M Y and Ismaiel A S.
Analyst, 99(1181), 482-486 (1974)
Juneha Bak et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 36(10), 1269-1274 (2020-06-23)
Sulfated saccharides exhibit diverse physiological activities, but a lack of any convenient assay hinders their evaluation. Herein, an assay for the analysis of sulfated saccharides is described using 1H nuclear magnetic resonance (NMR) spectroscopy by employing ligands that can form
Yuji Nakamura et al.
Bioorganic & medicinal chemistry letters, 22(14), 4561-4566 (2012-06-26)
Introduction of the 2,2-dimethyl-4-phenylpiperazin-5-one scaffold into the P(3)-P(1) portion of the (2S,4S,5S)-5-amino-6-dialkylamino-4-hydroxy-2-isopropylhexanamide backbone dramatically increased the renin inhibitory activity without using the interaction to the S(3)(sp) pocket. Compound 31 exhibited >10,000-fold selectivity over other human proteases, and 18.5% oral bioavailability
William Conway et al.
The journal of physical chemistry. A, 117(5), 806-813 (2013-01-05)
Piperazine (PZ) is widely recognized as a promising solvent for postcombustion capture (PCC) of carbon dioxide (CO(2)). In view of the highly conflicting data describing the kinetic reactions of CO(2)(aq) in piperazine solutions, the present study focuses on the identification
Carl Cheadle et al.
Dalton transactions (Cambridge, England : 2003), 42(14), 4931-4946 (2013-02-07)
A new multidentate bifunctional organic ligand – di-N,N′-(2-cyano-2-oximinoacetyl)piperazine – was synthesized in high yield using a two-step procedure carried out under ambient conditions. At first, the reaction of piperazine and neat methylcyanoacetate led to the di-N,N′-(cyanoacetyl)piperazine (1), which then was
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