piperazine dihydrochloride

structural formula

• numbering system
• physical property data
• toxicological data
• ecological data
• molecular structure data
• computing chemical data
• more
  • properties and stability
  • storage method
  • synthesis method
  • purpose

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