2-Butene 2-Butene

2-butene structural formula

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

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/26074

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: sales@newtopchem.com

Working hours: Monday to Friday, 9:00-17:30, closed on holidays
Follow wechat
Scan wechat and follow us

Scan wechat and follow us

Follow Weibo
Back to top
Home
E-mail
Products
Search