CAS No.: | 2475-33-4 |
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Formula: | C42h18n2o6 |
EINECS: | 250-961-7 |
Colour: | Blue |
Appearance: | Granular Powder |
Usage: | Textile |
Samples: |
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Customization: |
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Vat dyes vat brown BR C.I. vat brown 1 CAS 2475-33-4 vat brown 2R
Product Name:Vat brown BR; C.I. Vat Brown 1; Vat brown 2R
Molecular Formula:C42H18N2O6
CAS: 2475-33-4
Quality standard: HG/T 3406-2014
Properties:
Dark brown powder. Insoluble in water and xylene (cold), slightly soluble in tetrahydronaphthalene (hot) and xylene (hot). It is green and gray in concentrated sulfuric acid and produces Brown precipitation after dilution. It is yellow brown in the alkaline solution of insurance powder and dark olive in the acidic solution.
Shade | Dyeing method | Dyeing depth | Light fastness (Xenon) | Water spotting (immediately) | Level dyeing property |
IW | 30g/l | 6-7 | 4 | Very good |
IW dyeing process:
Optimun dyeing temperature: 45°C; Alkalinity of bath: medium; Electrolyte addition: yes; Remarks: medium affinity.
ZHANJIU (SHANGHAl) INDUSTRIAL CO., LTD is a professional supplier of fine chemicals for manyindustry fields, specializing for chemicals widely used in textile printing & dyeing, leather processing.water treatment, food & feed additives, pharmaceuticals and other areas.We have own cooperatedfactories for sodium percarbonate, sodium hydrosulfite, surfactant, sulphur dyes and textile auxiliaries
etc.Our cooperated factory for sodium hydrosulfite has capacity of 100,000 metric tons per year, wealso produce sodium metabisulfite and sodium formate etc.Our factory has internationally advanced production equipment and production technology.comprehensively utilizes the by-products in the production process, and fully advocates circulareconomy and cleaner production.
Our manufacture base for Sulphur dyes is located in East China and founded in 2003. The mainproducts are solid and liquid sulphur dyes, sodium thiosulfate, sodium sulfide, etc. Our capacity forsulphur dyes is 30000 tons of solid and 30000 tons of liquid every year.Our cooperated factory for sodium percarbonate has capacity of 100,000 metric tons per year andwe already exported more than 50 countries. The main application of sodium percarbonate is indetergent and aquaculture industries. For aquaculture, we can supply granular uncoated type andtablet type. It is Class 5.1 dangerous chemicals and we have very good professional experiences forexporting this product.
1) Do you accept small orders ?
Yes, we can do it. Pls contact us for order details.Suppliers with verified business licenses