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Merck
CN

P45907

Piperazine

99%, solid, suitable for synthesis, ReagentPlus®

Synonym(s):

1,4-Diazacyclohexane, Diethylenediamine

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About This Item

Empirical Formula (Hill Notation):
C4H10N2
CAS Number:
110-85-0
Molecular Weight:
86.14
NACRES:
NA.21
PubChem Substance ID:
24898556
eCl@ss:
39160301
UNSPSC Code:
12352100
EC Number:
203-808-3
MDL number:
MFCD00005953
Beilstein/REAXYS Number:
102555
Assay:
99%
Bp:
145-146 °C (lit.)
Vapor pressure:
0.8 mmHg ( 20 °C)

Key Documents

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Product Name

Piperazine, ReagentPlus®, 99%

InChI key

GLUUGHFHXGJENI-UHFFFAOYSA-N

InChI

1S/C4H10N2/c1-2-6-4-3-5-1/h5-6H,1-4H2

SMILES string

C1CNCCN1

vapor pressure

0.8 mmHg ( 20 °C)

product line

ReagentPlus®

assay

99%

form

solid

expl. lim.

14 %

dilution

(for general lab use)

impurities

<1% water

pH

10.8-11.8 (100 g/L)

bp

145-146 °C (lit.)

mp

109-112 °C (lit.)

solubility

H2O: 0.9 g/L at 20 °C

Quality Level

200

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Application

Intermediate for a wide range of pharmaceuticals, polymers, dyes, corrosion inhibitors, rubber accelerators and surfactants.
Piperazine may be used in the preparation of N-(hetero)arylpiperazines.

General description

Piperazine (PZ) is an amine solvent. The ability of aqueous PZ to absorb carbon dioxide (CO2) has been assessed. It is reported to cause paralysis in Ascaris worms. The analysis of the crystal structure of PZ at 150K shows the presence of layered structure with NH...N hydrogen-bonded chains.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Flam. Sol. 1 - Repr. 2 - Resp. Sens. 1B - Skin Corr. 1B - Skin Sens. 1B

Storage Class

4.1B - Flammable solid hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCT5524
MKCW8246
SDBB2927
MKCW0731
STBL0983

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Carbon dioxide capture with concentrated, aqueous piperazine.
Freeman SA, et al.
International Journal of Greenhouse Gas Control, 4(2), 119-124 (2010)
Investigations on the action of piperazine on Ascaris lumbricoides.
Norton S and De Beer EJ.
The American Journal of Tropical Medicine and Hygiene, 6(5), 898-905 (1957)
Absorption of carbon dioxide into aqueous piperazine: reaction kinetics, mass transfer and solubility.
Bishnoi S and Rochelle GT.
Chemical Engineering Science, 55(22), 5531-5543 (2000)
Synthesis of N-arylpiperazines from aryl halides and piperazine under a palladium tri-tert-butylphosphine catalyst.
Nishiyama M, et al.
Tetrahedron Letters, 39(7), 617-620 (1998)
Andrew Parkin et al.
Acta crystallographica. Section B, Structural science, 60(Pt 2), 219-227 (2004-03-16)
The crystal structures of piperazine, piperidine and morpholine have been determined at 150 K. All three structures are characterized by the formation of NH...N hydrogen-bonded chains. In piperazine these are linked to form sheets, but the chains are shifted so
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