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)
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

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

Canada 1 China 86 Germany 2 India 11 The Netherlands 1 United Kingdom 2 United States 21 Global 124

Hubei Guangao Biotechnology Co., Ltd

Tel: 027-027-59223056 18162699093
Fax: 027-59223056
Email: 1208480011@qq.com
Country: China
ProdList: 9924
Advantage: 58

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 94657
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 021-61259108 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44689
Advantage: 61

Maya High Purity Chemicals

Tel: +86 (573) 82222445 (0)18006601000 452520369
Fax: +86 (573) 82222643
Email: sales@maya-r.com
Country: China
ProdList: 11707
Advantage: 57

9ding chemical ( Shanghai) Limited

Tel: 4009209199
Fax: 86-021-52271987
Email: sales@9dingchem.com
Country: China
ProdList: 22514
Advantage: 55

UHN Shanghai Research & Development Co., Ltd.

Tel: 021-58958002 18930822973
Fax: +86 (21) 5895-8628
Email: SALES@UHNSHANGHAI.COM
Country: China
ProdList: 977
Advantage: 58

Chengdu AstaTech Trading Co., Ltd./AstaTech (Chengdu) Pharma. Co., Ltd.

Tel: +86-28-85122536 85324413
Fax: +86-28-85326443
Email: market@astatech.cn
Country: China
ProdList: 8026
Advantage: 55

Shanghai JONLN Reagent Co., Ltd.

Tel: 400-0066400 13621662912
Fax: 021-55660885
Email: 422131432@qq.com
Country: China
ProdList: 9978
Advantage: 55

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View Lastest Price from Vat Blue 4B manufacturers

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

Hebei Weibang 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: 2024-10-24

Hebei Shengyang Water Conservancy Engineering Co., Ltd.

Product: Vat Blue 4B 2475-31-2
Price: US $18.00/kg
Min. Order: 1kg
Purity: 99.9
Supply Ability: 5000
Release date: 2024-05-11

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

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