6470-97-9 Usage
Preparation
2-Amino-5-nitrobenzenesulfonic acid diazotization, and 2-Hydroxybenzoic acid?coupling.
Properties and Applications
orange. Soluble in water for orange, soluble in ethanol for orange. In concentrated sulfuric acid for yellow orange, after diluted solution for yellow, with pale yellow precipitation. Dye aqueous solution to join concentrated hydrochloric acid for light color solution; Join concentrated sodium hydroxide solution for blue light red.
Standard
Ironing Fastness
Light Fastness
Fulling
Persperation Fastness
Soaping
Water
Alkali
Acid
ISO
3
5
4
1
3-4
3-4
Standard
Ironing Fastness
Alkali
Acid
ISO
3
Check Digit Verification of cas no
The CAS Registry Mumber 6470-97-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,7 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6470-97:
(6*6)+(5*4)+(4*7)+(3*0)+(2*9)+(1*7)=109
109 % 10 = 9
So 6470-97-9 is a valid CAS Registry Number.
InChI:InChI=1/C13H9N3O8S.2Na/c17-11-4-1-7(5-9(11)13(18)19)14-15-10-3-2-8(16(20)21)6-12(10)25(22,23)24;;/h1-6,15H,(H,18,19)(H,22,23,24);;/q;2*+1/p-2/b14-7+;;
