16894-32-9 Usage
Preparation
2-Methoxy-4-nitrobenzenamine and 5-Amino-2-hydroxybenzoic acid diazo, in alkaline conditions in turn and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?matches, will the nitro reduction, then double nitriding, and 3-Amino-2-hydroxybenzoic acid diazo, In acidic conditions with?7-Amino-4-hydroxynaphthalene-2-sulfonic acid ?coupling the product obtained(2 Moore) coupled.
Properties and Applications
blue grey. Blue-black powder. Soluble in water for red light black. Use in cotton, viscose and their blended fabric dyeing, can be in viscose cotton or directly on printing or discharge printing.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
AATCC
4
3-4
6
3-4
4-5
4-5
5
Standard
Acid Resistance
Fading
Stain
AATCC
4
Check Digit Verification of cas no
The CAS Registry Mumber 16894-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,9 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16894-32:
(7*1)+(6*6)+(5*8)+(4*9)+(3*4)+(2*3)+(1*2)=139
139 % 10 = 9
So 16894-32-9 is a valid CAS Registry Number.