6406-66-2 Usage
Uses
Used in Textile Industry:
Acid Red 142 is used as a dye for coloring textiles, providing a vibrant red color to fabrics. Its light fastness, soaping, perspiration fastness, and oxygen bleaching properties make it suitable for various textile applications.
Used in Leather Industry:
Acid Red 142 is used as a dye for coloring leather products, imparting a rich red hue to leather items. Its fastness to seawater and fading properties ensure the color remains vibrant even in harsh conditions.
Used in Paper Industry:
Acid Red 142 is used as a dye for coloring paper products, offering a consistent red color to paper materials. Its stain and fading properties contribute to the durability and appearance of the paper products.
Preparation
4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Standard
Light Fastness
Fading
Stain
ISO
4
Check Digit Verification of cas no
The CAS Registry Mumber 6406-66-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,0 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6406-66:
(6*6)+(5*4)+(4*0)+(3*6)+(2*6)+(1*6)=92
92 % 10 = 2
So 6406-66-2 is a valid CAS Registry Number.
InChI:InChI=1/C22H16N4O7S2/c27-21-12-1-14-13-19(35(31,32)33)10-11-20(14)22(21)26-25-16-4-2-15(3-5-16)23-24-17-6-8-18(9-7-17)34(28,29)30/h1-13,25H,(H,28,29,30)(H,31,32,33)/b24-23+,26-22-
