Epoxy curing agent Knowledge 3-Hydroxy-N-(1-naphthyl)-2-naphthylcarboxamide

3-Hydroxy-N-(1-naphthyl)-2-naphthylcarboxamide

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3-hydroxy-N-(1-naphthyl)-2-naphthylcarboxamide structural formula

Structural formula

Business number 03NP
Molecular formula C21H15NO2
Molecular weight 313.35
label

3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide,

aromatic compounds

Numbering system

CAS number:132-68-3

MDL number:None

EINECS number:205-075-5

RTECS number:QJ1897300

BRN number:None

PubChem ID:None

Physical property data

None yet

Toxicological data

Acute toxicity data:


Rat orally LD>12mg/kg


Rat abdominal cavityLD50: 7320mg/kg


Mice orally LD>12mg/kg


Mouse abdominal cavityLD50: 5280mg/kg

Ecological data

None yet

Molecular structure data


5. Molecular property data:


1 Molar refractive index98.39


2 Molar volume(m3/mol) :234.9


3 Isotonic specific volume90.2K):669.5


4 Surface tension(3.0 dyne/cm):65.9


5 Polarizability0.5 10-24 cm3):39.00

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 5.5

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 9

6. Topological molecule polar surface area 49.3

7. Number of heavy atoms: 24

8. Surface charge: 0

9. Complexity: 451

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

basic properties

This product is beige powder. Insoluble in water and sodium carbonate solution, soluble in xylene. It turns yellow in sodium hydroxide solution. Melting point is 222-223℃

Storage method

None yet

Synthesis method

Brief description of production methods

Using 2,3 acid as raw material, chlorobenzene and caustic soda are used to form a salt, dehydrated, condensed with menadimine and phosphorus trichloride, and then neutralized, distilled, filtered, washed and dried. Raw material consumption (kg/t) 2,3 acid (100%) 660 Menadimine 500 Phosphorus trichloride 250 Chlorobenzene (98%) 173 Soda ash (98%) 500

Purpose

Purpose

It is mainly used as a primer for cotton fiber dyeing and printing, as an intermediate for organic pigments, and for the manufacture of fast pigments.

areast-font-family: Arial; mso-font-kerning: 0pt”>、 Polarizability(0.5 10-24 cm3):39.00

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 5.5

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 9

6. Topological molecule polar surface area 49.3

7. Number of heavy atoms: 24

8. Surface charge: 0

9. Complexity: 451

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

basic properties

This product is beige powder. Insoluble in water and sodium carbonate solution, soluble in xylene. It turns yellow in sodium hydroxide solution. Melting point is 222-223℃

Storage method

None yet

Synthesis method

Brief description of production methods

Using 2,3 acid as raw material, chlorobenzene and caustic soda are used to form a salt, dehydrated, condensed with menadimine and phosphorus trichloride, and then neutralized, distilled, filtered, washed and dried. Raw material consumption (kg/t) 2,3 acid (100%) 660 Menadimine 500 Phosphorus trichloride 250 Chlorobenzene (98%) 173 Soda ash (98%) 500

Purpose

Purpose

It is mainly used as a primer for cotton fiber dyeing and printing, as an intermediate for organic pigments, and for the manufacture of fast pigments.

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