71838-95-4 Usage
Description
Reactive orange 82 is a type of dye that is characterized by its light fastness, oxygen bleaching, perspiration fastness, soaping, and fading properties. It has an ISO rating of 4-5 for light fastness and oxygen bleaching, and a rating of 5 for perspiration fastness and soaping. The fading and staining properties have a rating of 3-4.
Uses
Used in Textile Industry:
Reactive orange 82 is used as a dye for coloring textiles. Its light fastness and perspiration fastness properties make it suitable for use in garments that will be exposed to sunlight and sweat.
Used in Paper Industry:
Reactive orange 82 is used as a dye for coloring paper products. Its oxygen bleaching and soaping properties make it suitable for use in paper products that will be exposed to air and water.
Used in Cosmetics Industry:
Reactive orange 82 is used as a colorant in cosmetics such as hair dyes and makeup products. Its fading and staining properties make it suitable for use in products that need to have a long-lasting color effect.
Preparation
2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, and then ammoniation cyanide.
Standard
Light Fastness
Fading
Stain
ISO
4-5
Check Digit Verification of cas no
The CAS Registry Mumber 71838-95-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,3 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71838-95:
(7*7)+(6*1)+(5*8)+(4*3)+(3*8)+(2*9)+(1*5)=154
154 % 10 = 4
So 71838-95-4 is a valid CAS Registry Number.