99576-15-5 Usage
Description
Acid Black 210 is a synthetic azo dye characterized by its deep black color. It is a water-soluble dye that is commonly used in the textile industry for dyeing and printing applications.
Used in Textile Industry:
Acid Black 210 is used as a dye for wool, silk, and polyamide fibers due to its excellent colorfastness and compatibility with these materials. It provides a deep black color that is highly desirable in the textile industry.
Used in Leather Industry:
Acid Black 210 is also used in the leather industry for coloring leather products. Its deep black color and compatibility with leather materials make it a popular choice for leather dyeing and printing applications.
Preparation
4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding.sulfonylurea aniline in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, 4-Nitrobenzenamine diazo, and the above the products in alkaline conditions coupled, its product again with Benzene-1,3-diamine?coupling between.
Check Digit Verification of cas no
The CAS Registry Mumber 99576-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,7 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99576-15:
(7*9)+(6*9)+(5*5)+(4*7)+(3*6)+(2*1)+(1*5)=195
195 % 10 = 5
So 99576-15-5 is a valid CAS Registry Number.
