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 cavityld50：1970 mg/kg.
mouse subcutaneousld50：2030 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. polarizability（10-24cm3):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. polarizability（10-24cm3):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
