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Vat Blue 4B
- русский язык имя
- английское имяVat Blue 4B
- CAS №2475-31-2
- CBNumberCB1364318
- ФормулаC16H6Br4N2O2
- мольный вес577.85
- EINECS219-598-1
- номер MDLMFCD00049382
- файл Mol2475-31-2.mol
химическое свойство
Температура кипения | 563.4±50.0 °C(Predicted) |
плотность | 2.5583 (rough estimate) |
показатель преломления | 1.6300 (estimate) |
Цветовой индекс | 73065 |
пка | -7.15±0.20(Predicted) |
Справочник по базе данных CAS | 2475-31-2(CAS DataBase Reference) |
FDA UNII | 2SUG1ZB17N |
Справочник по химии NIST | c.i. Vat blue 5(2475-31-2) |
Система регистрации веществ EPA | 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 химические свойства, назначение, производство
Использование
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.Подготовка
(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.Свойства и приложения
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 pigmentStandard | 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 запасные части и сырье
Vat Blue 4B поставщик
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