cis-4-methyl-2-pentene

cis-4-methyl-2-pentene structural formula

Structural formula

Business number 079H
Molecular formula C6H12
Molecular weight 84.16
label

aliphatic compounds

Numbering system

CAS number:691-38-3

MDL number:MFCD00009293

EINECS number:211-721-7

RTECS number:None

BRN number:1719114

PubChem ID:None

Physical property data

1. Properties: colorless liquid.

2. Density (g/mL, 25/4℃): 0.67

3. Relative vapor density (g/mL, air=1): 2.904. Melting point (ºC): -134.4

5. Boiling point (ºC, normal pressure): 58

6. Boiling point (ºC, 5.2kPa): Undetermined

7. Refractive index (n20 D) 1.38

8. Flash point (ºC): -33

9. Specific 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 /water) logarithmic value of the distribution coefficient: Undetermined

17. Explosion upper limit (%, V/V): Undetermined

18. Explosion lower limit (%, V/V) : Undetermined

19. Solubility: Not soluble in water.

Toxicological data

None yet

Ecological data

This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

1. Molar refractive index: 29.86

2. Molar volume (cm3/mol): 121.5

3. Isotonic specific volume (90.2K ): 255.4

4. Surface tension (dyne/cm): 19.4

5. Dielectric constant: 2.55

6. Dipole moment (10-24cm3):

7. Polarizability: 11.83

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.4

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 6

8. Surface charge: 0

9. Complexity: 42

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain atomic stereocenterNumber of centers: 0

13. Determine the number of stereocenters of chemical bonds: 1

14. Uncertain number of stereocenters of chemical bonds: 0

15. Covalent Number of key units: 1

Properties and stability

1. Keep away from oxides and strong acids.

2. Exist in smoke.

Storage method

Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 30℃. They should be stored separately from oxidants and acids, and avoid mixed storage.

Synthesis method

None yet

Purpose

Used for organic synthesis.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/30110

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