5858-51-5 Usage
Description
Acid Brown 4 is a red light brown dye that is soluble in water, resulting in a red light brown color, and soluble in ethanol, resulting in a yellow light brown color. It exhibits various color changes when exposed to different chemical conditions, such as turning wine red in strong sulfuric acid, dark blue in strong hydrochloric acid, and palm orange when mixed with a thick sodium hydroxide solution.
Uses
Used in Textile Industry:
Acid Brown 4 is used as a dye for coloring fabrics, providing a range of shades from red light brown to yellow light brown depending on the solvent used. Its ability to change color under different chemical conditions makes it a versatile choice for various textile applications.
Used in Leather Industry:
Acid Brown 4 is used as a dye for coloring leather products, offering a similar range of shades as in the textile industry. Its compatibility with various chemical conditions allows for the creation of unique color effects in leather goods.
Used in Paper Industry:
Acid Brown 4 is used as a dye for coloring paper products, providing a range of shades from red light brown to yellow light brown. Its solubility in water and ethanol makes it suitable for use in the paper industry.
Standard:
Acid Brown 4 has been tested for various fastness properties, including light fastness, soaping fastness, perspiration fastness, oxygen bleaching, and fastness to seawater. The results indicate that it has a light fastness rating of 3-4, a soaping fastness rating of 2, a perspiration fastness rating of 2, an oxygen bleaching rating of 3, and a fastness to seawater rating of 1-2. These ratings help determine the suitability of Acid Brown 4 for different applications and industries.
Preparation
N-(4-aminophenyl)acetamide diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling, and then remove acetyl hydrolysis.
Flammability and Explosibility
Nonflammable
Standard
Light Fastness
Fading
Stain
ISO
3
Check Digit Verification of cas no
The CAS Registry Mumber 5858-51-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,5 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5858-51:
(6*5)+(5*8)+(4*5)+(3*8)+(2*5)+(1*1)=125
125 % 10 = 5
So 5858-51-5 is a valid CAS Registry Number.
InChI:InChI=1/C16H13N3O4S.Na/c17-10-4-6-11(7-5-10)18-19-14-9-8-12-13(16(14)20)2-1-3-15(12)24(21,22)23;/h1-9,18H,17H2,(H,21,22,23);/q;+1/p-1/b19-14+;
