6370-08-7 Usage
Preparation
4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 8hydroxynaphthalene-1-sulfonic acid?coupling, and then with excessive sulfuric acid aqueous acid chromium solution common heating, in 115 ℃ : keep 7 hours, make dye create chromium complex.
Contact allergens
This azo dye has the Color Index nr. 14880. It is found
in suture materials.
Properties and Applications
green light blue. Dark blue powder. Soluble in water solution for blue. Soluble in alcohol. The strong sulfuric acid for blackish green color, diluted into blue, in the thick of sodium hydroxide solution for purple. Copper ions in dyeing is dark.??Discharge and exhaust dyeing good. For wool dyeing, can also be used for silk, nylon and wool / nylon blended fabric dyeing, but also with cationic dyes in one bath dyeing wool / acrylic blends. Also for wool fabric direct printing and discharge printing. Particularly suitable for woolen fabrics and carpets dyeing, can also be used for leather coloring.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
5-6
3
4
4
1-2
3-4
AATCC
5
2
2
3
1
4-5
Standard
Light Fastness
Fading
Stain
ISO
5-6
AATCC
5
Check Digit Verification of cas no
The CAS Registry Mumber 6370-08-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,7 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6370-08:
(6*6)+(5*3)+(4*7)+(3*0)+(2*0)+(1*8)=87
87 % 10 = 7
So 6370-08-7 is a valid CAS Registry Number.
InChI:InChI=1/C19H20N2O3S/c1-4-24-18(22)16-11(2)20-19(25)21-17(16)14-9-10-15(23-3)13-8-6-5-7-12(13)14/h5-10,17H,4H2,1-3H3,(H2,20,21,25)
