pamoic acid pamoic acid
structural formula
| business number | 03mn |
|---|---|
| molecular formula | c23h16o6 |
| molecular weight | 388.37 |
| label |
paracetamol, embonic acid, 4,4′-methylenebis(3-hydroxy-2-naphthoic acid), aromatic compounds |
numbering system
cas number:130-85-8
mdl number:mfcd00004079
einecs number:204-998-0
rtecs number:ql2180000
brn number:901319
pubchem number:24868634
physical property data
1. character: yellow crystal obtained from pyridine crystallization.
2. solubility:insoluble in water, alcohol, benzene, ether, acetic acid, slightly soluble in chloroform, pyridine
toxicological data
1, skin / eye irritation toxicity: rabbit eyes standard drez dye��experiment: 100mg has a moderate irritating effect on the eyes.
rinse rabbit eyes with water: 100mg/4s it has a slight irritating effect on the eyes.
2, acute toxicity: mice intraperitoneally ld5o: 390mg/kg
ecological data
none yet
molecular structure data
5. molecular property data:
1、 molar refractive index:108.87
2、 molar volume (m3/mol): 258.9
3、 isotonic specific volume (90.2k): 780.2
4、 surface tension (dyne/cm): 82.3
5、 polarizability (10-24cm3): 43.16
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 5.8
2. number of hydrogen bond donors: 4
3. number of hydrogen bond acceptors: 6
4. number of rotatable chemical bonds: 4
5. number of tautomers: 9
6. topological molecule polar surface area 115
7. number of heavy atoms: 29
8. surface charge: 0
9. complexity: 569
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
none yet
synthesis method
introduction to production methods
3, isotonic specific volume (90.2k):780.2
4、 surface tension (dyne/cm): 82.3
5、 polarizability (10-24cm3): 43.16
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 5.8
2. number of hydrogen bond donors: 4
3. number of hydrogen bond acceptors: 6
4. number of rotatable chemical bonds: 4
5. number of tautomers: 9
6. topological molecule polar surface area 115
7. number of heavy atoms: 29
8. surface charge: 0
9. complexity: 569
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
none yet
synthesis method
introduction to production methods
by2-hydroxy-3- prepared by the condensation of naphthoic acid and formaldehyde
purpose
usage
the salt is used for anti-malarial, anthelmintic, etc. it has good curative effect and long-term effect.
font; mso-ascii-font-family: ‘times new roman’; mso-hansi-font-family: ‘times new roman'”>by2-hydroxy-3-prepared by the condensation of naphthoic acid and formaldehyde
purpose
usage
the salt is used for anti-malarial, anthelmintic, etc. it has good curative effect and long-term effect.
