Solubilised Vat Red 2;C.I.Solubilised Vat Red 2:C.I.73366;disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate;disodium,[6-chloro-2-(5,7-dichloro-4-methyl-3-sulfonatooxy-1-benzothiophen-2-yl)-4-methyl-1-benzothiophen-3-yl] sulfate
disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate C화학적 특성, 용도, 생산
제조 방법
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Red 2?leuco ; (b) used in Pyridine metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing ?C.I. Vat Red 2. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.
Properties and Applications
bright blue light pink to red colourful blue-ray. Shallow red powder. Soluble in water for blue-ray red, solubility in general. This product has the brittle light. Used for the cotton fabric dyeing, can be in neutral or alkaline bath dyeing dyeing, also can be used for printing of cotton, including direct printing, the printing and dyeing discharge printing. Can also be used for the silk fabric and wool fabric and polyester/cotton blended fabric dyeing.
Standard
Ironing Fastness
Chlorine bleach
Light Fastness
Mercerized
Oxygen bleach
Soaping
Fading
Stain
ISO
4
5
5
4
4
4-5
5
disodium 5,6',7-trichloro-4,4'-dimethyl[2,2'-bibenzo[b]thiophene]-3,3'-diyl disulphate 준비 용품 및 원자재
