1,1-acetylcyclopropane

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:695-70-5

mdl number:none

einecs number:none

rtecs number:none

brn number:none

pubchem id:none

physical property data

1. character: undetermined.

2. density (g/ml,25/4℃): undetermined

3. relative vapor density (g/ml,air=1): undetermined

4. melting point (ºc): undetermined

5. boiling point (ºc,normal pressure): undetermined

6. boiling point (ºc,5.2kpa): undetermined

7. refractive index: unknown� setting

8. flash point (ºc): undetermined

9. specific optical rotation (º): undetermined

10. autoignition point or ignition temperature (ºc): undetermined

11. vapor pressure (kpa,25ºc): undetermined

12. saturated vapor pressure (kpa,60ºc): undetermined

13. heat of combustion (kj/mol): undetermined

14. critical temperature (ºc): undetermined

15. critical pressure (kpa): undetermined

16. oil and water (octanol/logarial value of the partition coefficient of water: undetermined

17. explosion limit ( %,v/v): undetermined

18. lower explosion limit (%,v/v): undetermined

19. solubility: undetermined .

toxicological data

none yet

ecological data

usually not harmful to water, do not discharge materials into the surrounding environment without government permission.

molecular structure data

1. molar refractive index: 32.15

2. molar volume（m³/ mol）：114.1

3. isotonic ratio（90.2k）：287.3

4. surface tension（dyne/cm）：40.1

5. dielectric constant:

6. dipole moment（10 ^-24cm³)：

7. polarizability:12.74

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): 0.1

2. number of hydrogen bond donors: 0

3. number of hydrogen bond acceptors: 2

4. number of rotatable chemical bonds: 2

5. number of tautomers: 3

6. topological molecule polar surface area 34.1

7. number of heavy atoms: 9

8. surface charge: 0

9. complexity: 150

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: 1

properties and stability

stable at normal temperature and pressure.

storage method

at2-10℃ save.

synthesis method

aluminum oxide impregnated with potassium fluoride is used as a solid strong base, which is composed of acetylacetone and acetylacetone under phase transfer catalytic conditions1,2-dibromoethane was synthesized through alkylation reaction 1,1-diacetylcyclopropane.

purpose

none yet

resource:allhdi.com