128-79-0 Usage
Preparation
N-(9,10-dioxo-9,10-dihydroanthracene-1-yl)-1-aminoanthracene-9,10-dione imine nitration,, then use Sodium sulfide reduction, garnish with Benzoyl chloride acylation.
Properties and Applications
grey. Slightly soluble in Xylene. In concentrated sulfuric acid for yellow green, dilution after grey precipitation. Alkaline reduction leuco for red brown; Acid reduction leuco for yellow brown. This product dye cellulose fibre for grey. Mainly used for cotton fabric of white discharge printing.
Standard
Ironing Fastness
Chlorine bleach
Light Fastness
Mercerized
Oxygen bleach
Soaping
Fading
Stain
ISO
3
4
6-7
5
4-5
Standard
Ironing Fastness
Fading
Stain
ISO
3
Check Digit Verification of cas no
The CAS Registry Mumber 128-79-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,2 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128-79:
(5*1)+(4*2)+(3*8)+(2*7)+(1*9)=60
60 % 10 = 0
So 128-79-0 is a valid CAS Registry Number.