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
- Molecular Weight:
- 577.85
- MDL Number:
- MFCD00049382
- MOL File:
- 2475-31-2.mol
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) |
FDA UNII | 2SUG1ZB17N |
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) |
Vat Blue 4B price More Price(4)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
TRC | C535730 | CibaBlue2B | 2475-31-2 | 250mg | $85 | 2021-12-16 | Buy |
TRC | C535730 | CibaBlue2B | 2475-31-2 | 500mg | $150 | 2021-12-16 | Buy |
American Custom Chemicals Corporation | DYE0000193 | CIBA BLUE 2B 95.00% | 2475-31-2 | 25G | $162.75 | 2021-12-16 | Buy |
AHH | MT-06742 | Cibablue2B 98% | 2475-31-2 | 500g | $312 | 2021-12-16 | Buy |
Vat Blue 4B Chemical Properties,Uses,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 | |
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
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12465 | 58 |
Hebei Yanxi Chemical Co., Ltd. | +8617531190177 | peter@yan-xi.com | China | 5873 | 58 |
Hebei Shengyang Water Conservancy Engineering Co., Ltd. | +8615373025980 | clara@hbshengyang.com | China | 874 | 58 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21666 | 55 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29821 | 58 |
TargetMol Chemicals Inc. | +1-781-999-5354 +1-00000000000 | marketing@targetmol.com | United States | 19892 | 58 |
Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34571 | 58 |
AFINE CHEMICALS LIMITED | +86-008657185134551 +86-18958018566 | sales@afinechem.com | China | 15394 | 58 |
Alfa Chemistry | info@alfa-chemistry.com | United States | 2344 | 58 |
View Lastest Price from Vat Blue 4B manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2024-08-15 | Vat Blue 4B
2475-31-2
|
US $20.00-10.00 / kg | 1kg | 0.99 | 10 tons | Hebei Yanxi Chemical Co., Ltd. | ||
2024-05-11 | Vat Blue 4B
2475-31-2
|
US $18.00-18.00 / kg | 1kg | 99.9 | 5000 | Hebei Shengyang Water Conservancy Engineering Co., Ltd. | ||
2023-10-10 | Vat Blue 4B
2475-31-2
|
US $0.00 / KG | 1KG | 99% | 50000KG/month | Hebei Mojin Biotechnology Co., Ltd |
- Vat Blue 4B
2475-31-2
- US $20.00-10.00 / kg
- 0.99
- Hebei Yanxi Chemical Co., Ltd.
- Vat Blue 4B
2475-31-2
- US $18.00-18.00 / kg
- 99.9
- Hebei Shengyang Water Conservancy Engineering Co., Ltd.
- Vat Blue 4B
2475-31-2
- US $0.00 / KG
- 99%
- Hebei Mojin Biotechnology Co., Ltd
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