C.I.Vat Blue 35

Product Name
C.I.Vat Blue 35
CAS No.
84-40-2
Chemical Name
C.I.Vat Blue 35
Synonyms
C.I.73060;Vat Blue 35;C.I.Vat Blue 35;5,5'-Dibromoindigo;Brilliant Indigo KMR;Pharmanthrene Blue R;Mitsui Tsuya Indigo BR;C.I.Vat Blue 35:C.I.73060;(2E)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one;(2Z)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
CBNumber
CB11453064
Molecular Formula
C16H8Br2N2O2
Formula Weight
420.05
MOL File
84-40-2.mol
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C.I.Vat Blue 35 Property

Melting point:
>300 °C
Boiling point:
492.0±45.0 °C(Predicted)
Density 
1.932±0.06 g/cm3(Predicted)
pka
-5.01±0.20(Predicted)
EPA Substance Registry System
3H-Indol-3-one, 5-bromo-2-(5-bromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (84-40-2)
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
PH002016
Product name
5,5''-Dibromoindigo
Purity
AldrichCPR
Packaging
1MG
Price
$172
Updated
2023/06/20
American Custom Chemicals Corporation
Product number
HCH0134752
Product name
5,5'-DIBROMOINDIGO
Purity
95.00%
Packaging
5MG
Price
$497.62
Updated
2021/12/16
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C.I.Vat Blue 35 Chemical Properties,Usage,Production

Preparation

(a) 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in sulfuric 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid in two (FIAT 764 and 1313); (b) 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in the boiling Nitrobenzene with Bromine bromination.

Properties and Applications

dark blue to navy blue. Aquamarine blue powder. Insoluble in Etanol. In concentrated sulfuric acid to blue light green, blue precipitation after dilution. Alkaline reduction leuco for yellow; Acid reduction leuco for pale yellow. The product of the cotton fiber to direct the gender is tall, good levelness. Used for cotton fabric direct printing, resist printing, prevent discharge and coloring discharge. Also can be used for silk and wool dyeing of wool directness high, good levelness.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 3-4 2-3 4-5 1 3-4
AATCC 5 1 4-5 3 3-4

C.I.Vat Blue 35 Preparation Products And Raw materials

Raw materials

Preparation Products

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C.I.Vat Blue 35 Suppliers

CHINA 3 Switzerland 1 Global 4
Hubei Jusheng Technology Co.,Ltd.
Tel
18871490254
Fax
027-59599243
Email
linda@hubeijusheng.com
Country
CHINA
ProdList
28180
Advantage
58
ShenZhen Trendseen Biological Technology Co.,Ltd.
Tel
13417589054 13417589054
Email
trendseenbio@gmail.com
Country
China
ProdList
8941
Advantage
58
ShenZhen Trendseen Biological Technology Co.,Ltd.
Tel
13417589054
Email
trendseenbio@gmail.com
Country
China
ProdList
11681
Advantage
58

84-40-2, C.I.Vat Blue 35Related Search:

Vat Blue 42 7,7'-Dibromo-5,5'-dichloro-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione Vat Blue 43 Vat Blue 4 3H-Indol-3-one,5-dromo-2-1,3-dihydro-3-oxo-2H-indol-2-ylidene-1,2-dihydro 3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl- 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 5-Chloro-2-(5,7-dichloro-3-oxobenzo[b]thiophen-2(3H)-ylidene)-7-methoxy-4-methyl-1H-indol-3(2H)-one 4-(3-CARBAZOLYLAMINO)PHENOL

  • 5,5'-Dibromoindigo
  • Brilliant Indigo KMR
  • C.I.73060
  • C.I.Vat Blue 35
  • Mitsui Tsuya Indigo BR
  • Pharmanthrene Blue R
  • (2Z)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
  • (2E)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
  • 3H-Indol-3-one, 5-bromo-2-(5-bromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-
  • C.I.Vat Blue 35:C.I.73060
  • Vat Blue 35
  • 84-40-2