CAS No.5850-93-1,sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate Suppliers

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Basic Information

Molecular Structure:
CAS No.:	5850-93-1
Name:	sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate

Formula:	C₂₀H₁₄N₂O₄S.Na
Molecular Weight:	400.38
Synonyms:	1-Naphthalenesulfonicacid, 5-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI);C.I. Acid Red141, monosodium salt (8CI);Acid Leather Red AS;Acid Red 2G;Acid Red ML;Airedale Red AG;Azo Acid Red R;Benzyl Red A;Benzyl Red AS;Brilliant FastRed G;C.I. 15625;C.I. Acid Red 141;Eniacid Red AGS;Fast Red GO;Fast Red V;Lecotan Red AR;Lissamine Red J;Ritacid Rosalin AG;Roccelline CS;RoccellineG;Vondacid Red G;Vondacid Red GS;
EINECS:	227-460-7
Density:	1.42g/cm³
Boiling Point:	°Cat760mmHg
Flash Point:	°C
PSA:	110.53000
LogP:	6.09890

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Specification

The C.I. 15625 is also called 1-Naphthalenesulfonic acid, 5-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-, sodium salt (1:1); C.I. Acid Red 141, monosodium salt (8CI); Sodium 5-((2-hydroxynaphthyl)azo)naphthalenesulphonate. Its registry number is 5850-93-1. It also has other registry number which is 51790-50-2. Its systematic name is called sodium 5-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate. And the IUPAC name is called sodium 5-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]naphthalene-1-sulfonate.

This chemical is soluble in hot water for the red, slightly soluble in cold water and ethanol. It is red purple in concentrated sulfuric acid, brown precipitate after dilution. It is yellow brown in concentrated nitric acid solution And it shows yellow brown in dilute sodium hydroxide solution. In aqueous solution, it will show brown precipitate after adding hydrochloric acid then it will become yellow after adding sodium hydroxide.

Physical properties about this chemical are: (1)#H bond acceptors: 6; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 4; (4)Polar Surface Area: 110.53 Å².

Uses: this chemical is mainly used for dyeing wool and silk. It can also be used for coloring paper and leather.

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[O-]S(=O)(=O)c4cccc3c4cccc3N=Nc1c2ccccc2ccc1O ;
(2)InChI: InChI=1/C20H14N2O4S.Na/c23-18-12-11-13-5-1-2-6-14(13)20(18)22-21-17-9-3-8-16-15(17)7-4-10-19(16)27(24,25)26;/h1-12,23H,(H,24,25,26);/q;+1/p-1;
(3)InChIKey: XNQZZTFTKVKXOR-REWHXWOFAH