Epoxy curing agent Knowledge 8-Hydroxyquinoline-5-sulfonic acid 8-Hydroxyquinoline-5-sulfonic acid

8-Hydroxyquinoline-5-sulfonic acid 8-Hydroxyquinoline-5-sulfonic acid

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8-hydroxyquinoline-5-sulfonic acid structural formula

Structural formula

Business number 01V8
Molecular formula C9H7NO4S
Molecular weight 225.22
label

8-Hydroxy-5-quinolinesulfonic acid,

5-Sulfonic acid-8-hydroxyquinoline,

5-Sulfo-8-hydroxyquinoline

Numbering system

CAS number:84-88-8

MDL number:MFCD00006795

EINECS number:201-570-5

RTECS number:VC2570000

BRN number:None

PubChem number:24895427

Physical property data

1. Character:Light yellow needle-like crystals or crystalline powder


2. Density (g/mL ,25/4): Undetermined


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


4. Melting point (ºC):213(decomposed)


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


6. Boiling point (ºC,5.2 kPa): 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


Salmonella: 50 ug/L

Ecological data

None yet

Molecular structure data

1. Molar refractive index:53.98

2. Molar volume (m3/mol):137.9


3. isotonic specific volume (90.2K):415.9


4. Surface Tension (dyne/cm):82.5


5. Polarizability10-24cm3):21.40



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: 5

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 2

6. Topological molecule polar surface area 95.9

7. Number of heavy atoms: 15

8. Surface charge: 0

9. Complexity: 324

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

This product should be sealed in Store in a cool and dry place.

Synthesis method

By8-Original sulfonation of hydroxyquinoline. Cool the oleum with stirring to 10The following, gradually added8-Hydroxyquinoline, keep the temperature at15below. After adding, raise the temperature to 30The following stirring reaction5h. Leave overnight. The next day, put the reaction solution into 8-10double the amount of water (press8-Hydroxyquinoline meter), control temperature60, precipitate the crystals, and then leave it overnight. Filter, wash and dry.

Purpose

Used as organic synthesis intermediates and analytical reagents.

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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: 5

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 2

6. Topological molecule polar surface area 95.9

7. Number of heavy atoms: 15

8. Surface charge: 0

9. Complexity: 324

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

This product should be sealed in Store in a cool and dry place.

Synthesis method

By8-Original sulfonation of hydroxyquinoline. Cool the oleum with stirring to 10The following, gradually added8-Hydroxyquinoline, keep the temperature at15below. After adding, raise the temperature to 30The following stirring reaction5h. Leave overnight. The next day, put the reaction solution into 8-10double the amount of water (press8-Hydroxyquinoline meter), control temperature60, precipitate the crystals, and then leave it overnight. Filter, wash and dry.

Purpose

Used as organic synthesis intermediates and analytical reagents.

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Purpose

Used as organic synthesis intermediates and analytical reagents.

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