642-59-1 Usage
Uses
Used in Textile Industry:
3-hydroxy-4-[(4-sulphonaphthyl)azo]naphthalene-2,7-disulphonic acid is used as a coloring agent for dyeing textiles, providing vibrant and long-lasting colors to fabrics. Its chemical structure allows for strong binding with textile fibers, ensuring colorfastness and resistance to fading.
Used in Food Industry:
In the food industry, 3-hydroxy-4-[(4-sulphonaphthyl)azo]naphthalene-2,7-disulphonic acid is used as a food coloring agent to impart a wide range of colors to various food products. Its ability to create stable and vibrant colors makes it a popular choice for coloring beverages, confectionery, and other food items.
Used in Dye and Pigment Industry:
3-hydroxy-4-[(4-sulphonaphthyl)azo]naphthalene-2,7-disulphonic acid is used as a key component in the production of various dyes and pigments. Its unique chemical structure contributes to the development of new and innovative colorants, expanding the range of colors available for different applications.
Check Digit Verification of cas no
The CAS Registry Mumber 642-59-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,4 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 642-59:
(5*6)+(4*4)+(3*2)+(2*5)+(1*9)=71
71 % 10 = 1
So 642-59-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H14N2O10S3/c23-20-18(35(30,31)32)10-11-9-12(33(24,25)26)5-6-13(11)19(20)22-21-16-7-8-17(34(27,28)29)15-4-2-1-3-14(15)16/h1-10,21H,(H,24,25,26)(H,27,28,29)(H,30,31,32)/b22-19+
