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4425-36-9

4425-36-9 Structure

4425-36-9 Structure
IdentificationBack Directory
[Name]

Vat Brown 5, Solubilised
[CAS]

4425-36-9
[Synonyms]

C.I.73411
Solasol Brown 2RS
Vat Brown 5, Solubilised
Solubilised Vat Brown 5
C.I.Solubilised Vat Brown 5
Vat brown 5 solubilized (C.I. 73411)
C.I.Solubilised Vat Brown 5 :C.I.734141
disodium [2,2'-binaphtho[2,1-b]thiophene]-1,1'-diyl disulphate
2,2'-Binaphtho[2,1-b]thiophene-1,1'-diol bis(sulfuric acid sodium) salt
disodium [2-(1-sulfatobenzo[e]benzothiophen-2-yl)benzo[e]benzothiophen-1-yl] sulfate
disodium [2-(1-sulfonatooxybenzo[e][1]benzothiol-2-yl)benzo[e][1]benzothiol-1-yl] sulfate
[EINECS(EC#)]

224-601-4
[Molecular Formula]

C24H15NaO8S4
[MOL File]

4425-36-9.mol
[Molecular Weight]

582.61
Hazard InformationBack Directory
[Preparation]

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Brown 5 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 Brown 5. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
[Properties and Applications]

red light brown. Yellow grey powder. Soluble in water, solubility is very small, do not dissolve in Etanol and organic solvent. In concentrated sulfuric acid for yellow green, dilution after olive. Its aqueous solution for brown, under fluorescent light for brilliant purple, the electrolyte sensitive, it is a kind of both light brittle, and the photosensitivity of dye. Mainly used for cotton fabric dyeing and printing, also can undertake silk, wool, viscose, vinylon fabric dyeing and printing. Can be directly printed, resist printing and discharge printing, white discharge effect is good.
Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 3 4 6-7 4 4-5 4-5 5
AATCC 4 4-5 5-6 5 4-5
4425-36-9 suppliers list
Company Name: Dynasty Colourants Co., Ltd.  
Tel: 86 0574 27862107 27862719
Website: www.color-search.com
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2538-84-3 1324-72-7 4471-37-8 1324-15-8