4471-37-8 Usage
Uses
Used in Textile Industry:
Anthra[2,1,9-mna]naphth[2,3-h]acridin-5(16H)-one,10,15-bis(sulfooxy)-, sodium salt (1:2) is used as a dye for cotton fibers due to its good solubility and affinity for the fibers. It is particularly useful in weak alkaline dyeing baths, where it can be applied through dyeing and padding processes.
Standard:
Ironing Fastness: ISO 4-5, AATCC 5
Chlorine Bleach: ISO 4-5, AATCC 4-5
Light Fastness: ISO 8, AATCC 8
Mercerized: Not applicable
Oxygen Bleach: ISO 4-5, AATCC 4-5
Soaping: ISO 4, AATCC 4-5
These standards indicate the performance and durability of the dye when exposed to various conditions, such as heat, bleach, and light.
Preparation
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment ?C.I. Vat Green 3 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing ?C.I. Vat Green 3. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Standard
Ironing Fastness
Fading
Stain
ISO
4-5
AATCC
5
Check Digit Verification of cas no
The CAS Registry Mumber 4471-37-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,7 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4471-37:
(6*4)+(5*4)+(4*7)+(3*1)+(2*3)+(1*7)=88
88 % 10 = 8
So 4471-37-8 is a valid CAS Registry Number.
InChI:InChI=1/C31H17NO9S2.2Na/c33-29-19-6-2-1-5-15(19)16-13-14-24-26-17(9-11-22(29)25(16)26)18-10-12-23-27(28(18)32-24)31(41-43(37,38)39)21-8-4-3-7-20(21)30(23)40-42(34,35)36;;/h1-14,32H,(H,34,35,36)(H,37,38,39);;/q;2*+1/p-2
