Epoxy curing agent Knowledge 2,3-Dimethylindole

2,3-Dimethylindole

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2,3-Dimethylindole Structural Formula

Structural formula

Business number 023M
Molecular formula C10H11N
Molecular weight 145.20
label

None yet

Numbering system

CAS number:91-55-4

MDL number:MFCD00005617

EINECS number:202-076-2

RTECS number:NL7185000

BRN number:116662

PubChem number:24847431

Physical property data

1. Characteristics: frond crystals.


2. Density (g/mL,25/4℃): Undetermined


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


4. Melting point (ºC):107 -109


5. Boiling point (ºC,Normal pressure): Undetermined


6. Boiling point (ºC, 100KP):285


7. Refractive Index: Undetermined


8. Flash Point (ºC): Undetermined


9. Specific optical rotation (º): Undetermined


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


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


12. Saturated vapor�Explosion limit (%,V/V): Undetermined


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


19. Solubility: Soluble in ethanol, ether and concentrated hydrochloric acid, slightly soluble in hot water and petroleum.

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 48.17


2. Molar volume (m3/mol):134.4


3. isotonic specific volume (90.2K):346.0


4. Surface Tension (dyne/cm):43.8


5. Polarizability10-24cm3):19.09

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.8

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 15.8

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 144

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

None

Storage method

Should be sealed and stored in a cool place.

Synthesis method

It is derived from the condensation and ring closure of phenylhydrazine and methyl ethyl ketone in the presence of sulfuric acid.

Purpose

Used as dye intermediate.

-hansi-font-family: Arial; mso-bidi-font-family: Arial”>):346.0


4. Surface Tension (dyne/cm):43.8


5. Polarizability10-24cm3):19.09

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.8

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 15.8

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 144

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

None

Storage method

Should be sealed and stored in a cool place.

Synthesis method

It is derived from the condensation and ring closure of phenylhydrazine and methyl ethyl ketone in the presence of sulfuric acid.

Purpose

Used as dye intermediate.

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