Phenolphthalein disodium salt solution

Structural formula of disodium phenolphthalein aqueous solution

Structural formula of disodium phenolphthalein aqueous solution

Structural formula

Business number 05C5
Molecular formula C20H12Na2O4
Molecular weight 362.29


3,3-Bis-(p-hydroxyphenyl)phthalide disodium salt

Numbering system

CAS number:518-51-4

MDL number:None

EINECS number:None

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Character:Undetermined

2. Density (g/ cm3,25/4): Undetermined

3. Relative vapor density (g/cm3,Air=1 ): Undetermined

4. Melting point (ºC): Undetermined

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

6. Boiling point (ºC,8kPa): 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

12. Saturated vapor pressure (kPa,60ºC): 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 water) partition coefficient: Undetermined

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

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

19. Solubility: Undetermined

Toxicological data

None yet

Ecological data

This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

None yet

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 4.4

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 77.4

7. Number of heavy atoms: 24

8. Surface charge: -1

9. Complexity: 541

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

Used and stored according to specifications, no separation will occurSolution, avoid contact with oxides

Storage method

Stored in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. Protect from direct sunlight. The packaging is sealed. They should be stored separately from acids and food chemicals, and avoid mixed storage. Suitable materials should be available in the storage area to contain spills.

Synthesis method

None yet


None yet

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