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Vat Brown 5

Basic information Safety Supplier Related

Vat Brown 5 Basic information

Product Name:
Vat Brown 5
Synonyms:
  • 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
  • Vat brown 5 (C.I. 73410)
  • C.I.73410
  • C.I.Pigment Brown 27
  • C.I.Vat Brown 5
  • Calcotone Brown 2R
  • Lithosol Fast Brown GP
  • Δ2,2'(1H,1'H)-Binaphtho[2,1-b]thiophene-1,1'-dione
CAS:
3989-75-1
MF:
C24H12O2S2
MW:
396.48
EINECS:
223-633-6
Mol File:
3989-75-1.mol
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Vat Brown 5 Chemical Properties

Boiling point:
575.7±50.0 °C(Predicted)
Density 
1.523±0.06 g/cm3(Predicted)
EPA Substance Registry System
Naphtho[2,1-b]thiophen-1(2H)-one, 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)- (3989-75-1)
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Vat Brown 5 Usage And Synthesis

Preparation

Naphtho[2,1-b]thiophen-1(2H)-one oxidation, this intermediates in Chlorobenzene using Phosphorus trichloride or 2-(Naphthalen-2-ylthio)acetic acid closed loop and have to (BIOS986, 260; FIAT 764).

Properties and Applications

brown to red light brown. Red brown powder. Insoluble in water and Etanol, slightly soluble in Xylene for bordeaux red solution. In concentrated sulfuric acid to dark brown, and then into blue, after dilution for blue; In the basic insurance powder also concentrate for the red light yellow, In the acidic insurance powder also concentrate for light brown. For light brittle dye. Suitable for direct printing, resist printing and aniline black color printing. Suitable for knitting &cotton fabric dyeing, more suitable for silk printing, and can also be used to viscose and wool dyeing. Can be processed into organic pigment.

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

Vat Brown 5 Preparation Products And Raw materials

Raw materials

Vat Brown 5Supplier

Hefei TNJ Chemical Industry Co.,Ltd.
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Career Henan Chemica Co
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Hubei Jusheng Technology Co.,Ltd.
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86-18871470254
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Hubei xingongli Chemical Co., Ltd
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