Epoxy curing agent Knowledge N,N’-Dimethyl-1,3-propanediamine N,N’-Dimethyl-1,3-propanediamine

N,N’-Dimethyl-1,3-propanediamine N,N’-Dimethyl-1,3-propanediamine

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N,N'-dimethyl-1,3-propanediamine structural formula

Structural formula

Business number 033A
Molecular formula C5H14N2
Molecular weight 102.18
label

1,3-Bis(methylamino)propane,

N,N′-Dimethyltrimethylenediamine,

linear compound

Numbering system

CAS number:111-33-1

MDL number:MFCD00008292

EINECS number:203-859-1

RTECS number:None

BRN number:773668

PubChem number:24858649

Physical property data

1. Characteristics: Colorless liquid.


2. Density (g/mL,20):0.817


3. Relative vapor density (g/mL,air =1): Undetermined


4. Melting point (ºC): Undetermined


5. Boiling point (ºC,normal pressure):145


6. Boiling point (ºC, kPa): Undetermined


7. Refractive index:1.4375-1.4395


8. Flashpoint (ºC):20


9. Specific optical rotation (º): Undetermined


10. Autoignition point or ignition temperature (ºC): Undetermined


11. Vapor pressure (mmHg,25ºC): Undetermined


12. Saturated vapor pressure (kPa, ºC): Undetermined


13. Heat of combustion (KJ/mol): Undetermined


14. Critical temperature (ºC): Undetermined


15. Critical pressure (KPa): Undetermined


16. Oil and water (octanol/Log value of the partition coefficient for water: undetermined


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


18. Lower explosion limit (%,V/V): Undetermined


19. Solubility: soluble in water.

Toxicological data

None

Ecological data

Slightly harmful to water bodies.

Molecular structure data

5. Molecular property data:


1. Molar refractive index: 32.40


2. Molar volume (m3/mol):128.7


3. isotonic specific volume (90.2K):286.9


4. Surface Tension (dyne/cm):24.7


5. Polarizability10-24cm3):12.84

Compute chemical data

1. Reference value for calculation of hydrophobic parameters (XlogP): -0.3

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

p>

4. Number of rotatable chemical bonds: 4

5. Number of tautomers: none

6. Topological molecule polar surface area 24.1

7. Number of heavy atoms: 7

8. Surface charge: 0

9. Complexity: 25.3

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: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Avoid contact with oxides, acids, and carbon dioxide.

Storage method

Save in a cool, dry place. Ensure that the workspace has good ventilation facilities and explosion-proof facilities. Keep away from fire sources and prevent static electricity. Store away from oxidants and air.

Synthesis method

None

Purpose

None

isotonic ratio (90.2K): 286.9


4. Surface Tension (dyne/cm):24.7


5. Polarizability10-24cm3):12.84

Compute chemical data

1. Reference value for calculation of hydrophobic parameters (XlogP): -0.3

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

p>

4. Number of rotatable chemical bonds: 4

5. Number of tautomers: none

6. Topological molecule polar surface area 24.1

7. Number of heavy atoms: 7

8. Surface charge: 0

9. Complexity: 25.3

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: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Avoid contact with oxides, acids, and carbon dioxide.

Storage method

Save in a cool, dry place. Ensure that the workspace has good ventilation facilities and explosion-proof facilities. Keep away from fire sources and prevent static electricity. Store away from oxidants and air.

Synthesis method

None

Purpose

None

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