Epoxy curing agent Knowledge 2-Butene 2-Butene

2-Butene 2-Butene

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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

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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

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