Epoxy curing agent Knowledge N-2-naphthyl-3-hydroxy-2-naphthylcarboxamide

N-2-naphthyl-3-hydroxy-2-naphthylcarboxamide

广告位

N-2-naphthyl-3-hydroxy-2-naphthylcarboxamide structural formula

Structural formula

Business number 03QD
Molecular formula C21H15NO2
Molecular weight 313.35
label

Naphto AS-SW,

Naphthol AS-SW,

Naphthol AS-SW,

C.I. Ice dye coupling component 7,

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

Ice dye coupling component 7,

aromatic compounds

Numbering system

CAS number:135-64-8

MDL number:MFCD00053488

EINECS number:205-208-7

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

None

Toxicological data

None

Ecological data

None

Molecular structure data


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

This product is in the form of beige powder with a melting point of 243-244°C. It is soluble in chlorobenzene, insoluble in water and soda ash solution, and turns yellow in sodium hydroxide solution.

Storage method

None

Synthesis method

First, 2,3-acid is salted with sodium hydroxide and chlorobenzene, and then condensed with Tobaic acid and phosphorus trichloride, and then hydrolyzed, neutralized and post-treated with sodium dihydrogen phosphate to obtain the finished product. Raw material consumption (kg/t) 2,3-acid (100%) 750 Toburic acid (100%) 900 Phosphorus trichloride (100%) 230 Soda ash (98%) 388 Chlorobenzene (98%) 410

Purpose

Mainly used as primer for dyeing and printing cotton fabrics. And can be used instead of chromic acid AS.

metcnv tcsc=”0″ numbertype=”1″ negative=”True” hasspace=”False” sourcevalue=”24″ unitname=”cm” w:st=”on”>-24cm3):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

This product is in the form of beige powder with a melting point of 243-244°C. It is soluble in chlorobenzene, insoluble in water and soda ash solution, and turns yellow in sodium hydroxide solution.

Storage method

None

Synthesis method

First, 2,3-acid is salted with sodium hydroxide and chlorobenzene, and then condensed with Tobaic acid and phosphorus trichloride, and then hydrolyzed, neutralized and post-treated with sodium dihydrogen phosphate to obtain the finished product. Raw material consumption (kg/t) 2,3-acid (100%) 750 Toburic acid (100%) 900 Phosphorus trichloride (100%) 230 Soda ash (98%) 388 Chlorobenzene (98%) 410

Purpose

Mainly used as primer for dyeing and printing cotton fabrics. And can be used instead of chromic acid AS.

广告位
This article is from the Internet, does not represent the position of Epoxy curing agent, reproduced please specify the source.https://www.dmp-30.vip/archives/94429

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: info@newtopchem.com

Working hours: Monday to Friday, 9:00-17:30, closed on holidays
Follow wechat
Scan wechat and follow us

Scan wechat and follow us

Follow Weibo
Back to top
Home
Phone
Products
Search