2-Butene 2-Butene
Structural formula
| Business number | 02UE |
|---|---|
| Molecular formula | C4H8 |
| Molecular weight | 56.11 |
| label |
2-butene, 2-n-butyl, Trans-butene-2, Trans-b-butylene, Trans-sym-dimethylethylene, Trans-pseudobutylene, Trans-2-butene, (2E)-2-Butene, 2-Buten, 2-Butene(cis+trans) |
Numbering system
CAS number:107-01-7
MDL number:MFCD00064458
EINECS number:210-855-3
RTECS number:EM2932000
BRN number:None
PubChem ID:None
Physical property data
1. Characteristics: Undetermined
2. Density (g/mL, 25℃): Undetermined
3. Relative vapor density (g/mL, air=1 ): 2
4. Melting point (ºC): -140
5. Boiling point (ºC, normal pressure): 1
6. Boiling point (ºC, kPa): Not determined
7. Refractive index (D20): Not determined
8. Flash point (ºC ): Undetermined
9. Specific rotation (ºC): Undetermined
10. Autoignition point or ignition temperature (ºC): Undetermined
11. Vapor pressure (mmHg, 37.7ºC): 2575
12. Saturated vapor pressure (kPa, 10ºC): Undetermined
13. Heat of combustion (KJ/mol): Undetermined Determined
14. Critical temperature (ºC): Undetermined
15. Critical pressure (KPa): Undetermined
16. Oil and water (octanol/water ) Log value of distribution coefficient: Undetermined
17. Explosion upper limit (%, V/V): Undetermined
18. Explosion lower limit (%, V/V): Undetermined Determined
19. Solubility: Undetermined
Toxicological data
1. Acute toxicity: mice inhaled LC50: 425ppm;
Ecological data
None yet
Molecular structure data
1. Molar refractive index: 20.63
2. Molar volume (cm3/mol): 88.1
3. Isotonic specific volume (90.2K ): 178.5
4. Surface tension (dyne/cm): 16.7
5. Polarizability (10-24cm3): 8.18
Compute chemical data
1. Hydrophobic parameter calculation reference value (XlogP): 2.3
2. Number of hydrogen bond donors: 0
3. Number of hydrogen bond acceptors: 0
4. ���Number of rotational chemical bonds: 0
5, Number of tautomers:
6, Topological molecular polar surface area (TPSA): 0
7 , Number of heavy atoms: 4
8, Surface charge: 0
9, Complexity: 15.2
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
p>
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
None yet
Purpose
None yet
