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
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

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.