Polyether_Polyether Polyol Knowledge Pamoic Acid Pamoic Acid

Pamoic Acid Pamoic Acid

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.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/17486

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