 Home > Encyclopedia > 5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one structure

CAS No:
2475-31-2
Formula:
C16H6Br4N2O2
Chemical Name:
5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
Synonyms:
3H-Indol-3-one,5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-;[Δ2,2′-Biindoline]-3,3′-dione,5,5′,7,7′-tetrabromo-;Indigotin,5,5′,7,7′-tetrabromo-;5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one;C.I. 73065;Ahcovat Printing Blue 2BD;Amanthrene Navy Blue 2B-MF;Amanthrene Navy Blue New;Arlanone Blue 2B;BASF Brilliant Indigo 4B;Brilliant Indigo 4B;BASF Brilliant Indigo 4BC;Brilliant Indigo 4BJD;Brilliant Indigo 4BR;Brilliant Indigo 4BV;Bromindigo 2BD;Ciba Blue 2B;Ciba Blue 2BD;Ciba Blue 2BDG;Ciba Blue 2BN;Ciba Blue 2BPF;Ciba Brilliant Blue BS;C.I. Vat Blue 5;Durindone Blue 4B;Durindone Blue 4BC;Durindone Blue 4BCP;Durindone Printing Blue 4BC;Hostavat Blue 2BD;Hostavat Blue 4BR;Indigo 4B;Mitsui Tsuya Indigo 2B;Solindene Blue 2BD;Sulfanthrene Blue 2B;Tetra Blue 2B;Thiovat Brilliant Indigo 4BR;Tina Blue 2B;Vat Blue 4B;5,5′,7,7′-Tetrabromoindigo;Tetrabromoindigo;Vat Blue 5;Bromindigo;Tsuya Indigo 2B;BASF Brilliant Indigo 4B-D;Brilliant Indigo 4B-D;NSC 400980;Bromoindigo;143178-46-5
Categories:
Dyes and Pigments > Dye

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5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one Basic Attributes

Molecular Weight：

577.85

Exact Mass：

577.85

EC Number：

219-598-1

UNII：

2SUG1ZB17N

NSC Number：

400980

DSSTox ID：

DTXSID7044891

HScode：

2933990090

Characteristics

PSA：

58.2

XLogP3：

6.14080

Appearance：

Dark blue powder

Density：

2.313g/cm3

Boiling Point：

563.4ºC at 760mmHg

Flash Point：

294.5ºC

Refractive Index：

1.762

Vapor Pressure：

8.00e-12 mmHg

Safety Information

RTECS Number：

NM3259100

5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one Use and Manufacturing

Methods of Manufacturing

Indigo (C.I.73000) is used as raw material, brominated with bromine in sulfuric acid, diluted and then boiled with sodium hydroxide, and finally filtered, washed, dried and crushed to obtain a finished product.

Uses

Mainly used for dyeing and printing of cotton fabrics, but also as oil paint and coloring of plastics

Manufacturing Info：

3H-Indol-3-one, 5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-: ACTIVE

Computed Properties

Molecular Weight:577.8
XLogP3:5.5
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:577.71218
Monoisotopic Mass:573.71628
Topological Polar Surface Area:65.4
Heavy Atom Count:24
Complexity:574
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Acetic acid

Acetone

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CAS No.: 2475-31-2

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Chongqing ChangFeng Chemical Co.,Ltd Contact Supplier

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Bromo Indigo

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CAS No.: 2475-31-2

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Zhanjiu (Shanghai) Industrial Co., Ltd Contact Supplier

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Max 200ppm Bromo Indigo Powder CAS 2475-31-2 C. I. Blue 5 Indigo Blue 4br

CAS No.: 2475-31-2

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Latest News on 5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

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Guide of 5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
Latest News
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5,7-Dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

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