4424-87-7 Usage
Uses
Vat Violet 13, tech. is a dye used for dyeing cellulose fibers shade-stable tones.
Preparation
1,5-Dichloroanthracene-9,10-dione in the presence of copper with 2-Aminobenzoic acid (2 Moore) condensation, cyclization and then.
Properties and Applications
blue light purple. Deep purple powder. Insoluble in water, slightly soluble in Pyridine , 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene.The concentrated sulfuric acid is dark orange, diluted with purple precipitate. Shout of reducing leuco as dark blue; acidic reduction leuco brown. This product can be used for cotton fabric dyeing, as blue purple. Good affinity for cotton. Can also be used directly, anti-pollution and discharge printing can also be used for wool dyeing.
Standard
Ironing Fastness
Chlorine bleach
Light Fastness
Mercerized
Oxygen bleach
Soaping
Fading
Stain
ISO
5
5
7
4
4
4-5
4-5
AATCC
5
5
6-7
4
4
Standard
Ironing Fastness
Fading
Stain
ISO
5
AATCC
5
Check Digit Verification of cas no
The CAS Registry Mumber 4424-87-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,2 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4424-87:
(6*4)+(5*4)+(4*2)+(3*4)+(2*8)+(1*7)=87
87 % 10 = 7
So 4424-87-7 is a valid CAS Registry Number.