12167-45-2

Basic information

• Product Name: disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate
• Synonyms: disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate;ACIDRED40;C.I. Acid Red 40;5-(Acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt;C.I.18070;Einecs 235-329-0
• CAS NO: 12167-45-2
• Molecular Formula: C20H17N3Na2O8S2
• Molecular Weight: 537.47382
• EINECS: 235-329-0
• Mol File: 12167-45-2.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate(12167-45-2)
• EPA Substance Registry System: disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate(12167-45-2)

Safety Data

• Hazardous Substances Data: 12167-45-2(Hazardous Substances Data)

Usage

Description

Disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate is a complex organic compound with a unique molecular structure. It is characterized by its ability to exhibit different colors in various chemical environments, such as blue-ray red in standard conditions, red when dissolved in water, blue-ray red in strong sulfuric acid, pink in diluted sulfuric acid, and yellow in a 10% sodium hydroxide solution.

Uses

Used in Dye Industry:
Disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate is used as a dye for its ability to produce a range of colors in different chemical environments. Its color-changing properties make it a valuable compound for creating vibrant and versatile dyes.
Used in Textile Industry:
In the textile industry, disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate is used as a colorant for fabrics. Its light fastness, soaping fastness, and resistance to oxygen bleaching and seawater make it a suitable choice for染色 (dyeing) and 染色牢度 (color fastness) in textiles.
Used in Analytical Chemistry:
Due to its color-changing properties in response to different chemical environments, disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate can be used as an indicator or reagent in analytical chemistry for detecting the presence of specific chemicals or monitoring pH levels.
Used in Art and Restoration:
The compound's ability to produce different colors in various conditions can also be useful in the field of art and restoration, where it may be employed to analyze and reproduce the original colors of historical artifacts and paintings.

Preparation

mix 2,4-Dimethylbenzenamine diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.

Standard

Light Fastness

Fading

Stain

AATCC

5

InChI:InChI=1/C20H19N3O8S2.2Na/c1-10-4-5-14(6-11(10)2)22-23-19-17(33(29,30)31)8-13-7-15(32(26,27)28)9-16(21-12(3)24)18(13)20(19)25;;/h4-9,22H,1-3H3,(H,21,24)(H,26,27,28)(H,29,30,31);;/q;2*+1/p-2/b23-19+;;