Phenformin CAS114-86-3

Details:

Density 1.2± 0.1g /cm3
Boiling point 332.2±35.0 °C at 760 mmHg
Melting point 280-282°C
Molecular formula C10H15N5
Molecular weight 205.260
Flash point 154.7±25.9 °C
Accurate mass 205.132751
PSA 97.78000
LogP minus 0.60
Vapor pressure 0.0±0.7 mmHg at 25°C
Refractive index 1.620
stability
The relative density of PBI film is 1.26, the tensile strength is 60.76MPa, low temperature and heat resistance is very good, at -196℃ no brittle, glass temperature 480℃, 550℃ in the air began to decompose, can be used at 270℃ for a long time, PBI adhesive has high temperature bonding strength. It is bonded with steel and has a shear strength of 19.6-21.56MPa at room temperature. The temperature is 16.66-21.56MPa at 200℃ and 16.66-19.6MPa at 300℃. PBI glass cloth laminate has excellent high temperature resistance, and long-term temperature resistance can reach 427℃. The hydrolysis stability of PBI is quite high. The polymer viscosity does not change after 5h in 95% sulfuric acid at 160℃, and the polymer viscosity does not change after 10h in 70% sulfuric acid or 25% potassium hydroxide solution heated reflux. It can be dissolved in concentrated sulfuric acid, dimethylformamide, dimethyl sulfoxide, N-methylpyrrolidone and hexamethylphosphamide.

Molecular structure
1. Molar refractive index: 57.93

2. Molar volume (cm3/mol) : 164.8

3. Isotropic volume (90.2K) : 53.8

4. Surface tension (dyne/cm) : 53.8

5. Polarization (10-24cm3) : 22.96

Computational chemistry
1. Reference value for calculating hydrophobic parameters (XlogP) : None

2. Number of hydrogen bond donors :3

3. Number of hydrogen bond receptors :1

4. Number of rotatable bonds :4

5. Number of tautomers :5

6. Topological molecular polar surface area 103

7. Number of heavy atoms :15

8. Surface charge :0

9. Complexity :236

10. Number of isotope atoms :0

11. Determine the number of primary constitutive centers :0

12. Number of indeterminate atomic orthotropic centers :0

13. Determine the number of chemical bond constitutive centers :0

14. Number of uncertain bond constitutive centers :0

15. Number of covalent bond units :1

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