Epoxy curing agent Knowledge Pamoic Acid Pamoic Acid

Pamoic Acid Pamoic Acid

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Pamoic acid structural formula

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.

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