Toluene diisocyanate manufacturer Knowledge 2,3-dihydroxynaphthalene

2,3-dihydroxynaphthalene

2,3-dihydroxynaphthalene structural formula

Structural formula

Business number 024N
Molecular formula C10H8O2
Molecular weight 160.17
label

2,3-dinaphthol,

2,3-dihydroxynaphthalene,

2,3-Naphthodiol,

2,3-Naphthalenediol,

C10H6(OH)2

Numbering system

CAS number:92-44-4

MDL number:MFCD00004073

EINECS number:202-156-7

RTECS number:QJ4750000

BRN number:742375

PubChem number:24863511

Physical property data

1. Character: Foliated crystals.


2. Density (g/mL,25/4℃): ��OK


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


4. Melting point (ºC):162


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


6. Boiling point (ºC,5.2kPa): Undetermined


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


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


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


19. Solubility: Soluble in hot water.

Toxicological data

None yet

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 47.85


2. Molar volume (m3/mol):120.4


3. isotonic specific volume (90.2K):341.1


4. Surface Tension (dyne/cm):64.4


5. Polarizability10-24cm3):18.97

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 4

6. Topological molecule polar surface area 40.5

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 140

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 yet

Storage method

Should be sealed and stored in a cool, dry place away from light.

Synthesis method

None yet

Purpose

Used in organic synthesis. Dye manufacturing.

7pt ‘Times New Roman'”> Isotonic specific volume (90.2K ): 341.1


4. Surface Tension (dyne/cm):64.4


5. Polarizability10-24cm3):18.97

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 4

6. Topological molecule polar surface area 40.5

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 140

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 yet

Storage method

Should be sealed and stored in a cool, dry place away from light.

Synthesis method

None yet

Purpose

Used in organic synthesis. Dye manufacturing.

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