5,5'-디클로로-4,4',7,7'-테트라메틸-2,2'-비벤조[b]티오펜-3,3'-디올비스(황산나트륨)염

5,5'-디클로로-4,4',7,7'-테트라메틸-2,2'-비벤조[b]티오펜-3,3'-디올비스(황산나트륨)염 화학적 특성, 용도, 생산

• 제조 방법

  (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'-디클로로-4,4',7,7'-테트라메틸-2,2'-비벤조[b]티오펜-3,3'-디올비스(황산나트륨)염 준비 용품 및 원자재