5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt

CAS No.
10126-99-5
Chemical Name:
5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt
Synonyms
C.I.73396;Arlindone Red Violet RF;Solubilised Vat Violet 3;Algosol Red Violet IRRN-CF;C.I.Solubilised Vat Violet 3;C.I.Solubilised Vat Violet 3 :C.I.73396;5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt
CBNumber:
CB82221476
Molecular Formula:
C20H17Cl2NaO8S4
Molecular Weight:
607.48
MDL Number:
MOL File:
10126-99-5.mol

5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt Chemical Properties,Uses,Production

Preparation

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 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 Violet 3. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications

brilliant red light purple. Purple red powder. Soluble in water for red light purple. Used for dyeing cotton fabric for brilliant red light purple, and also can be used for cotton fabric direct printing, resist printing. Also can be used for silk and wool dyeing and polyester/cotton blended fabric dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 5 5 3 4 4-5 5
AATCC 5 5 5 3-4 4

5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt Preparation Products And Raw materials

Raw materials

Preparation Products

5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt Algosol Red Violet IRRN-CF Arlindone Red Violet RF C.I.73396 C.I.Solubilised Vat Violet 3 C.I.Solubilised Vat Violet 3 :C.I.73396 Solubilised Vat Violet 3 10126-99-5