4553-89-3 Usage
Uses
Used in Food Industry:
Disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate is used as a synthetic organic food colorant for imparting a chocolate brown color to various food products. Its application in the food industry is due to its ability to provide a consistent and appealing color to the products, enhancing their visual appeal and consumer attraction.
Preparation
4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) diazo, and 4-(Hydroxymethyl)benzene-1,3-diol?coupled.
Flammability and Explosibility
Nonflammable
Check Digit Verification of cas no
The CAS Registry Mumber 4553-89-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,5 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4553-89:
(6*4)+(5*5)+(4*5)+(3*3)+(2*8)+(1*9)=103
103 % 10 = 3
So 4553-89-3 is a valid CAS Registry Number.