ChemicalBook > CAS DataBase List > Vat Blue 4B

Vat Blue 4B

Product Name: Vat Blue 4B
CAS No.: 2475-31-2
Chemical Name: Vat Blue 4B
Synonyms: 04BS;indigo4b;vatblue5;CI 73065;Indigo 4B;vatblue4b;CIBA BLUE;Bromindigo;tinablue2b;Vat Blue 5
CBNumber: CB1364318
Molecular Formula: C16H6Br4N2O2
Formula Weight: 577.85
MOL File: 2475-31-2.mol

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Vat Blue 4B Property

Boiling point:: 563.4±50.0 °C(Predicted)
Density: 2.5583 (rough estimate)
refractive index: 1.6300 (estimate)
Colour Index: 73065
pka: -7.15±0.20(Predicted)
form: solid
InChI: InChI=1S/C16H6Br4N2O2/c17-5-1-7-11(9(19)3-5)21-13(15(7)23)14-16(24)8-2-6(18)4-10(20)12(8)22-14/h1-4,21-22H
InChIKey: PTWYQANXSNMUTI-UHFFFAOYSA-N
SMILES: N1C2=C(C=C(Br)C=C2Br)C(=O)C1=C1C(=O)C2=C(N1)C(Br)=CC(Br)=C2
CAS DataBase Reference: 2475-31-2(CAS DataBase Reference)
NIST Chemistry Reference: c.i. Vat blue 5(2475-31-2)
EPA Substance Registry System: 3H-Indol-3-one, 5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (2475-31-2)

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Safety

RTECS: NM3259100

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: CDS010542
Product name: ciba blue 2b
Purity: Aldrich<SUP>CPR</SUP>
Packaging: 1 g
Price: $73.1
Updated: 2025/07/31

TRC

Product number: C535730
Product name: CibaBlue2B
Packaging: 250mg
Price: $85
Updated: 2021/12/16

TRC

Product number: C535730
Product name: CibaBlue2B
Packaging: 500mg
Price: $150
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: DYE0000193
Product name: CIBA BLUE 2B
Purity: 95.00%
Packaging: 25G
Price: $162.75
Updated: 2021/12/16

AHH

Product number: MT-06742
Product name: Cibablue2B
Purity: 98%
Packaging: 500g
Price: $312
Updated: 2021/12/16

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Vat Blue 4B Chemical Properties,Usage,Production

Uses

Ciba Blue 2B (CAS# 2475-31-2) is a halogenated indigo dye and pollutant contributing 1,3,6,8-tetrabromocarbazole and some other halogenated carbazoles to the environment.

Preparation

(a) and Acetic anhydride in the presence of Sodium acetate trihydrate in Acetic acid glacial will 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-? ?tetrabromide?(FIAT764); (b) in the boiling Nitrobenzene with Bromine will 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- four bromination, (C) 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in Chlorosulfonic acid (GP 225227) or in Sulfuryl chloride (GP 229304) and bromine reaction.

Properties and Applications

blue. Dark blue powder. Etanol and insoluble in water, soluble in Xylene, Nitrobenzene and 1, 2, 3, 4 – Tetrahydronaphthalene. Alkaline reduction leuco for yellow; Acid reduction leuco for pale yellow. In concentrated sulfuric acid to blue light green, diluted into blue, and the emergence of precipitation. Used for cotton of jig dyeing and yarn dyeing, dyeing hair blue cloth color turquoise blue. Is the important dye printing, can direct printing, also can discharge printing and resist printing. Can also be used for viscose, silk and wool dyeing, levelness and affinity are good. Can be processed into organic pigment

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

Vat Blue 4B Preparation Products And Raw materials

Raw materials

Indigo

Preparation Products

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Vat Blue 4B Suppliers

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View Lastest Price from Vat Blue 4B manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: Vat Blue 4B 2475-31-2
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-11-05

Hebei Yanxi Chemical Co., Ltd.

Product: Vat Blue 4B 2475-31-2
Price: US $20.00-10.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-10-19

Career Henan Chemical Co

Product: Vat Blue 4B 2475-31-2
Price: US $9.80/KG
Min. Order: 1g
Purity: ≥99%
Supply Ability: 100kg
Release date: 2020-01-09

2475-31-2, Vat Blue 4BRelated Search:

Indigo Carmine Vat blue 43 (C.I. 53630),Vat blue 43 (C.I. 53630) Vat blue 14 (C.I. 69810),Vat blue 14 (C.I. 69810) Vat blue 4 (C.I. 69800),Vat Blue RSN UL Red Conc SPL,Vat Blue RSN Red SPL,Vat Blue RSN UL Red Conc SPL,Vat Blue RSN Red SPL,Vat blue 4 (C.I. 69800) Vat blue 42 (C.I. 53640),C.I. Vat Blue 42,C.I. Vat Blue 42,Vat blue 42 (C.I. 53640) Vat blue 6 (C.I. 69825),Vat blue 6 (C.I. 69825) Vat blue 19 (C.I. 59805),Vat blue 19 (C.I. 59805) Vat Blue 64 Vat Blue 6, Solubilized 2-BROMO-N-METHYLANILINE 95 5-BROMOINDOLINE 3-BROMOPHENETHYLAMINE TRANS-1,2-DIBENZOYLETHYLENE Indigo VAT Blue 1,VAT BLUE 1,Indigo VAT Blue 1,VAT BLUE 1 1-(2-amino-5-bromophenyl)ethanone 3'-Bromoacetophenone Solubilised Vat Blue IBC,C.L.Solubilised Vat Blue 6,C.I.Solubilised Vat Blue 6,Solubilised Vat Blue IBC,C.L.Solubilised Vat Blue 6,C.I.Solubilised Vat Blue 6 4-BROMO-2-ETHYLANILINE

BASF brilliant indigo

Vat blue 5 (C.I. 73065)

Pigment organic indigo blue bromindigo EINecs

04BS

Arlanon Blue 2B

Bromo Indigo 2B

Convat Blue E

Kambanthrene bndigo 4B

5,5',7,7'-Tetrabromo-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione

5,5',7,7'-Tetrabromo-Δ2,2'-biindoline-3,3'-dione

5,5',7,7'-Tetrabromoindigo Vat Blue 5

Cibacron blue 2B

3h-indol-3-one,1,2-dihydro-5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2h-ind

3h-indol-3-one,5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2h-indol-2-ylidene

5,7,5’,7’-Tetrabromo-1H,1’H-[2,2’]biindolylidene-3,3’-dione

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

Ahcovat Printing Blue 2BD

ahcovatprintingblue2bd

Amanthrene Navy Blue 2B-MF

Amanthrene Navy Blue New

amanthrenenavyblue2b-mf

amanthrenenavybluenew

Arlanone Blue 2B

arlanoneblue2b

BASF Brilliant Indigo 4B

BASF Brilliant Indigo 4BC

basfbrilliantindigo4b

basfbrilliantindigo4bc

BASFBrilliantIndigo4B-D

Brilliant Indigo 4B

Brilliant Indigo 4BJD

Brilliant Indigo 4BV

brilliantindigo4b

brilliantindigo4bjd

brilliantindigo4bv

Bromindigo

Bromindigo 2BD

bromindigo2bd

Bromoindigo

c.i.vatblue5

C.I.VatBlue5(73065)

Ciba Blue 2BD

Ciba Blue 2BDG

Ciba Blue 2BN

Ciba Blue 2BPF

Ciba Brilliant Blue BS

cibablue2bd

cibablue2bdg

cibablue2bn

cibablue2bpf

cibabrilliantbluebs

Durindone Blue 4B

Durindone Blue 4BC

Durindone Blue 4BCP

Durindone Printing Blue 4BC

durindoneblue4b

durindoneblue4bc

durindoneblue4bcp