8003-59-6 Usage
Preparation
6-Aminonaphthalene-1-sulfonic acid and 7-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling.
Properties and Applications
yellow light red. Slightly soluble in cold water, soluble in hot water for yellow red. The strong sulfuric acid for quality in red, dilute appear after brown precipitation. In water solution to join hydrochloric acid with brown precipitation; Add sodium hydroxide red-brown precipitation.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
2
3
2-3
3
3
2
Standard
Light Fastness
Fading
Stain
ISO
2
Check Digit Verification of cas no
The CAS Registry Mumber 8003-59-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 8003-59:
(6*8)+(5*0)+(4*0)+(3*3)+(2*5)+(1*9)=76
76 % 10 = 6
So 8003-59-6 is a valid CAS Registry Number.
InChI:InChI=1/C20H14N2O4S.Na/c23-18-11-8-13-4-1-2-6-17(13)20(18)22-21-15-9-10-16-14(12-15)5-3-7-19(16)27(24,25)26;/h1-12,21H,(H,24,25,26);/q;+1/p-1/b22-20-;
