Basic information Safety Supplier Related

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

Basic information Safety Supplier Related

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

Product Name:
5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt
Synonyms:
  • 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
CAS:
10126-99-5
MF:
C20H17Cl2NaO8S4
MW:
607.48
Mol File:
10126-99-5.mol
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5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt Usage And Synthesis

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) saltSupplier