Phenolphthalin Phenolphthalin
Structural formula
| Business number | 01SK |
|---|---|
| Molecular formula | C20H16O4 |
| Molecular weight | 320.34 |
| label |
2-(bis[4-hydroxyphenyl]methyl)benzoic acid, 2-(Bis[4-hydroxyphenyl]methyl)benzoic acid |
Numbering system
CAS number:81-90-3
MDL number:MFCD00036135
EINECS number:201-384-4
RTECS number:None
BRN number:None
PubChem number:24898992
Physical property data
1. Characteristics: colorless crystal.
2. Density (g/mL,25/4℃): Unsure
3. Relative vapor density (g/mL,air=1): Unsure
4. Melting point (ºC):):237℃
5. Boiling point (ºC,Normal pressure): Unsure
6. Boiling point (ºC,5.2kPa): Unsure
7. Refractive index: Uncertain
8. Flashpoint (ºC): Unsure
9. Specific optical rotation (º): Unsure
10. Autoignition point or ignition temperature (ºC): Unsure
11. Vapor pressure (kPa,25ºC): Unsure
12. Saturated vapor pressure (kPa,60ºC<SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-fon��%,V/V): Unsure
18. Lower explosion limit (%,V/V): Unsure
19. Solubility: soluble in ethanol, ether and alkaline solutions, insoluble in water. Its alkali solution can gradually turn pink in the air or when exposed to other oxides
Toxicological data
None yet
Ecological data
None yet
Molecular structure data
5. Molecular property data:
1. Molar refractive index: 90.66
2. Molar volume (m3/mol）：242.0
3. isotonic specific volume (90.2K):683.3
4. Surface Tension (dyne/cm):63.5
5. Polarizability（10-24cm3):35.94
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 3
3. Number of hydrogen bond acceptors: 4
4. Number of rotatable chemical bonds: 4
5. Number of tautomers: 3
6. Topological molecule polar surface area 77.8
7. Number of heavy atoms: 24
8. Surface charge: 0
9. Complexity: 386
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 kept sealed.
Synthesis method
None yet
Purpose
Reagents for oxidase, blood, hydrofluoric acid, peroxide and copper.
nbsp; Isotonic specific volume (90.2K):683.3
4. Surface Tension (dyne/cm):63.5
5. Polarizability（10-24cm3):35.94
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 3
3. Number of hydrogen bond acceptors: 4
4. Number of rotatable chemical bonds: 4
5. Number of tautomers: 3
6. Topological molecule polar surface area 77.8
7. Number of heavy atoms: 24
8. Surface charge: 0
9. Complexity: 386
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 kept sealed.
Synthesis method
None yet
Purpose
Reagents for oxidase, blood, hydrofluoric acid, peroxide and copper.
