6420-39-9 Usage
Description
Disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate], also known as Claret, is a complex organic compound with a unique chemical structure. It is characterized by its red color and solubility in water and ethanol, which gives it a blue-ray red appearance. disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] exhibits properties such as acid resistance, alkali resistance, light fastness, and soaping, making it suitable for various applications in different industries.
Uses
Used in Textile Industry:
Disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] is used as a dye for textile applications due to its vibrant red color and resistance to fading and staining. Its acid and alkali resistance properties ensure that the color remains stable even under harsh conditions.
Used in Cosmetics Industry:
In the cosmetics industry, disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] is used as a colorant for various products, such as lipsticks and blushes, due to its intense red hue and light fastness. Its resistance to fading and staining makes it an ideal choice for long-lasting cosmetic formulations.
Used in Printing Industry:
Disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] is used as an ink additive in the printing industry to provide a rich red color with excellent light fastness and resistance to fading and staining. Its acid and alkali resistance properties ensure that the printed materials maintain their color quality over time.
Used in Plastics and Polymers Industry:
In the plastics and polymers industry, disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] is used as a colorant to impart a vibrant red color to various plastic and polymer products. Its light fastness and resistance to fading and staining make it suitable for use in outdoor applications where exposure to sunlight and other environmental factors is a concern.
Used in Food Industry:
Disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] is used as a color additive in the food industry, particularly for coloring sauces, beverages, and other food products. Its acid and alkali resistance properties ensure that the color remains stable even under various pH conditions, while its light fastness prevents color fading during storage and handling.
Preparation
N-(3-aminophenyl)formamide (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling, and then hydrolysis formex amino.
Standard
Acid Resistance
Fading
Stain
AATCC
5
Check Digit Verification of cas no
The CAS Registry Mumber 6420-39-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,2 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6420-39:
(6*6)+(5*4)+(4*2)+(3*0)+(2*3)+(1*9)=79
79 % 10 = 9
So 6420-39-9 is a valid CAS Registry Number.
