2,3-oxynaphthoic acid phenylamide
4-(2,5-dichlorophenyl)azo-3-hydroxy-N-phenylnaphthalene-2-carboxamide
Conditions | Yield |
---|---|
Stage #1: 2,3-oxynaphthoic acid phenylamide With sodium hydroxide In 1-methyl-pyrrolidin-2-one at 40℃; Stage #2: 2,5-dichloroaniline diazonium fluoroboric salt In 1-methyl-pyrrolidin-2-one at 5 - 20℃; | 60.3% |
2,5 dichloroaniline
4-(2,5-dichlorophenyl)azo-3-hydroxy-N-phenylnaphthalene-2-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: acetic acid; hydrogenchloride; sodium nitrite / water / 0 - 50 °C 1.2: 5 °C 2.1: sodium hydroxide / 1-methyl-pyrrolidin-2-one / 40 °C 2.2: 5 - 20 °C View Scheme |
The Pigment Red 2, with the CAS registry number 6041-94-7 and EINECS registry number 227-930-1, has the systematic name of 2-Naphthalenecarboxamide, 4-((2,5-dichlorophenyl)azo)-3-
hydroxy-N-phenyl-. It is a kind of yellowish red or dark red powder, and belongs to the following product categories: Dyes and Pigments; Organics. Pigment Red 2 is an azo compound which can be explosive when suspended in air at specific concentrations, and it is also insoluble in water. The molecular formula of this chemical is C23H15Cl2N3O2.
The physical properties of Pigment Red 2 are as following: (1)ACD/LogP: 6.21; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.21; (4)ACD/LogD (pH 7.4): 6.18; (5)ACD/BCF (pH 5.5): 30748.13; (6)ACD/BCF (pH 7.4): 29095.24; (7)ACD/KOC (pH 5.5): 56738.1; (8)ACD/KOC (pH 7.4): 53688.09; (9)#H bond acceptors: 5; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 52.98 Å2; (13)Index of Refraction: 1.673; (14)Molar Refractivity: 118.41 cm3; (15)Molar Volume: 315.8 cm3; (16)Polarizability: 46.94×10-24cm3; (17)Surface Tension: 52.8 dyne/cm; (18)Density: 1.38 g/cm3.
You can still convert the following datas into molecular structure:
(1)SMILES: Clc1cc(c(Cl)cc1)N/N=C3\c4ccccc4/C=C(/C(=O)Nc2ccccc2)C3=O
(2)InChI: InChI=1/C23H15Cl2N3O2/c24-15-10-11-19(25)20(13-15)27-28-21-17-9-5-4-6-14(17)12-18(22(21)29)23(30)26-16-7-2-1-3-8-16/h1-13,27H,(H,26,30)/b28-21+
(3)InChIKey: VCYBIENCKPXWDZ-SGWCAAJKBS
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View