Vat Dyes Brown Br Vat Brown 1

 
 
Product Name:Brown BR(Vat Brown 1)
C.I. No.: 70800
CAS No.: 2475-33-4
Molecular Formula: C₄₂H₁₈N₂O₆
Molecular Weight: 646.60                    
 
Shade: Red light brown
 
Relative name:Vat Navy Brown BR;Vat Brown 2R;Vat Brown BR;Cibanon Brown BR;
                                                      
Vat Brown 1 Physical Properties and light fastness. Properties:
Dark brown powder. Slightly soluble in hot 1, 2, 3, 4 - Tetrahydronaphthalene and thermal Xylene, insoluble in cold Xylene. In concentrated sulfuric acid to Copenhagen green, dilution after brown precipitation. Alkaline reduction leuco for yellow brown; Acid reduction leuco for dark olive.
 
Applications:
Mainly used for cotton, hemp, silk and viscose dyeing and printing, cotton yarn dyeing common varieties. Used for polyester/cotton blended fabric two bath dyeing of polyester with little color. The leuco used for dyeing cotton knitwear.
 
Package, 25KG/DRUM, CARTON BOX, BAG
 
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.








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