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C.I.Vat Blue 35

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C.I.Vat Blue 35 Suppliers list
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 18871490254
Email: linda@hubeijusheng.com
Products Intro: Product Name:(2E)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
CAS:84-40-2
Purity:0.99 Package:5KG;1KG Remarks:C16H8Br2N2O2
Company Name: ShenZhen Trendseen Biological Technology Co.,Ltd.
Tel: 13417589054
Email: trendseenbio@gmail.com
Products Intro: Product Name:C.I.VatBlue35
CAS:84-40-2
Purity:99% Package:1kg；25kg
Company Name: ShenZhen Trendseen Biological Technology Co.,Ltd.  
Tel: 13417589054 13417589054
Email: trendseenbio@gmail.com
Products Intro: Product Name:C.I.VatBlue35
CAS:84-40-2
Purity:99% Package:1kg；25kg
Company Name: MolMall Sarl  
Tel: +41 21 802 18 34
Email: info@molmall.net
Products Intro: Product Name:(2Z)-5-bromo-2-(5-bromo-3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
CAS:84-40-2
Purity:>90% Package:10mg
C.I.Vat Blue 35 Basic information
Product Name:C.I.Vat Blue 35
Synonyms: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
CAS:84-40-2
MF:C16H8Br2N2O2
MW:420.05
EINECS:
Product Categories:
Mol File:84-40-2.mol
C.I.Vat Blue 35 Structure
C.I.Vat Blue 35 Chemical Properties
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 System3H-Indol-3-one, 5-bromo-2-(5-bromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (84-40-2)
Safety Information
MSDS Information
C.I.Vat Blue 35 Usage And Synthesis
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 Applicationsdark 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 materialsIndigo-->Bromaminic acid
Tag:C.I.Vat Blue 35(84-40-2) Related Product Information
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