1-phenyl-3-pyrazolone
Structural formula
| Business number | 024M |
|---|---|
| Molecular formula | C9H10N2O |
| Molecular weight | 162.19 |
| label |
1-phenyl-3-pyrazolidinone, phenidone, Phenidone |
Numbering system
CAS number:92-43-3
MDL number:MFCD00003094
EINECS number:202-155-1
RTECS number:UQ8750000
BRN number:131856
PubChem number:24898411
Physical property data
1. Character:White 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):119-123
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
2. Molar volume (m3/mol):136.4
3. isotonic specific volume (90.2K):354.0
4. Surface Tension (dyne/cm):45.2
5. Polarizability（10-24cm3):17.96
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 1
3. Number of hydrogen bond acceptors: 2
4. Number of rotatable chemical bonds: 1
5. Number of tautomers: 3
6. Topological molecule polar surface area 32.3
7. Number of heavy atoms: 12
8. Surface charge: 0
9. Complexity: 175
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, cool and dry to store.
Synthesis method
None yet
Purpose
Used as a developer for black and white photosensitive materials, its developing activity is greater than that of Mitol, but the gray fog is larger when used alone, which is usually compared with the Combined name for quinonePQDeveloper.
yt”>Purpose
Used as a developer for black and white photosensitive materials, its developing activity is greater than that of Mitol, but the gray fog is larger when used alone, which is usually compared with the Combined name for quinonePQDeveloper.