1328-41-2 Usage
Preparation
1,4-Diamino-2,3-ditbromoanthracene-9,10-dione or 1,4-Diamino-2,3-dichloroanthracene-9,10-dione in copper catalyst and tie acid agent under the existence of condensation.
Properties and Applications
blue light green. Variegated dark green powder. Insoluble in Xylene. In concentrated sulfuric acid for green, blue green precipitation after dilution. Alkaline reduction leuco for deep green light blue; Acid reduction leuco for skipper. Mainly used for dyeing cotton fabric.
Standard
Ironing Fastness
Chlorine bleach
Light Fastness
Mercerized
Oxygen bleach
Soaping
Fading
Stain
ISO
5
1
7-8
4-5
4-5
4
4
Standard
Ironing Fastness
Fading
Stain
ISO
5
Check Digit Verification of cas no
The CAS Registry Mumber 1328-41-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,2 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1328-41:
(6*1)+(5*3)+(4*2)+(3*8)+(2*4)+(1*1)=62
62 % 10 = 2
So 1328-41-2 is a valid CAS Registry Number.