Epoxy curing agent Knowledge Piperazine dihydrochloride

Piperazine dihydrochloride

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Piperazine dihydrochloride structural formula

Structural formula

Business number 03V8
Molecular formula C4H12Cl2N2
Molecular weight 159.06
label

piperazine hydrochloride,

Piperazine dihydrochloride monohydrate,

Diethylenediaminedihydrochloride

Numbering system

CAS number:142-64-3

MDL number:None

EINECS number:205-551-2

RTECS number:TL4025000

BRN number:None

PubChem ID:None

Physical property data

1. Physical property data


1. Characteristics: white or cream color Crystalline powder


2. Boiling point (ºC,normal pressure): 147-149ºC


3. Solubility:Slightly soluble in water

Toxicological data

2. Toxicological data:


1, acute toxicity: rat oral LD50 : 4900 mg/kg;


Mouse abdominal cavityLD501970 mg/kg.


Mouse subcutaneousLD502030 mg/kg.

Ecological data

3. Ecological data:


1, other harmful effects: This substance may be harmful to the environment, special attention should be paid to water bodies.

Molecular structure data

5. Molecular property data:


1. Molar refractive index: 25.14


2. Molar volume (m3/mol):98.5


3. isotonic specific volume (90.2K):225.8


4. Surface Tension (dyne/cm):27.5


5. Polarizability10-24cm3):9.96

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 4

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 24.1

7. Number of heavy atoms: 8

8. Surface charge: 0

9. Complexity: 26.5

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 3

Properties and stability

Stable under normal temperature and pressure. SPAN>


Incompatible materials:oxidizing agent.

Storage method

Save in a dry and cool place.

Synthesis method

None

Purpose

None

ss=MsoNormal style=”MARGIN: 0cm 0cm 0pt 72.75pt; TEXT-INDENT: -54.75pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso- list: l0 level2 lfo1; tab-stops: list 36.0pt” align=left>3. isotonic specific volume (90.2K):225.8


4. Surface Tension (dyne/cm):27.5


5. Polarizability10-24cm3):9.96

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 4

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 24.1

7. Number of heavy atoms: 8

8. Surface charge: 0

9. Complexity: 26.5

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 3

Properties and stability

Stable under normal temperature and pressure. SPAN>


Incompatible materials:oxidizing agent.

Storage method

Save in a dry and cool place.

Synthesis method

None

Purpose

None

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