Cis-1,2-dichloroethylene

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:156-59-2

MDL number:MFCD00000925

EINECS number:205-859-7

RTECS number:KV9420000

BRN number:1071208

PubChem number:24872155

Physical property data

1. Properties: Colorless liquid with an odor similar to chloroform.

2. Boiling point (ºC, 101.3kPa): 60.62

3. Melting point (ºC): -81.5

4. Relative density (g/mL, 20/4ºC): 1.2837

5. Refractive index (20ºC): 1.4490

6. Viscosity (mPa·s, gas): 0.467

7. Flash point (ºC, closed): 3.9

8. Heat of vaporization (KJ/mol, b.p.): 30.25

9. Heat of fusion (KJ/mol): 7.211

10. Heat of combustion (KJ/mol, 18.7ºC): 1093.42

11. Specific heat capacity (KJ/(kg·K), 20ºC): 1.18

12. Critical temperature (ºC): 271.0

13. Critical pressure (MPa): 5.87

14. Conductivity (S/m, 25ºC): 8.5×10^-9

15. Body expansion coefficient (K^-1, 15~45ºC): 0.00127

16. Solubility: slightly soluble in water . Miscible with various organic solvents such as ethanol and ether.

17. Relative density (20℃, 4℃): 1.2837

18. Relative density (25℃, 4℃): 1.2771

19. Normal temperature Refractive index (n²⁰): 1.4490

20. Refractive index at room temperature (n²⁵): 1.4461

21. Solved Degree parameter (J·cm^-3)^0.5: 19.476

22. van der Waals area (cm²· mol^-1): 5.760×10⁹

23. van der Waals volume (cm³·mol^-1): 40.180

24. The liquid phase standard claims heat (enthalpy) (kJ·mol^-1): -33.8

25. Liquid phase standard hot melt (J·mol^-1·K^-1): 117.9

26. Gas phase standard claims heat (enthalpy )( kJ·mol^-1): -2.8

27. Gas phase standard entropy (J·mol^-1·K^-1 ): 289.72

28. Gas phase standard formation free energy (kJ·mol^-1): 19.7

29. Gas phase standard hot melt (J·mol^-1·K^-1): 65.00

Toxicological data

None yet

Ecological data

None yet

Molecular structure data

None yet

Compute chemical data

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

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: None

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 4

8. Surface charge: 0

9. Complexity: 19.2

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: 1

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None yet

Storage method

None yet

Synthesis method

Prepared from the reduction of tetrachloroethylene.

Purpose

It is difficult to burn, but the vapors form explosive mixtures with air. Used as a low-temperature extraction agent, refrigerant, and used to prepare varnish and rubber solutions.