Vat Brown 3

Product Description  

Vat Brown 3 

Product Name:Brown RN(Vat Brown 3)
C.I. No.: 69015
CAS No.: 131-92-0
Molecular Formula: C₄₂H₂₃N₃O₆
Molecular Weight: 665.65                     
 
Shade: Brown
 
Relative name:Vat Red Brown R;Vat Brown R;
                                                       
Vat Brown 3 Physical Properties and light fastness.

Properties:
Deep red powder. Insoluble in water and Etanol, slightly soluble in Xylene for bordeaux red solution. In concentrated sulfuric acid for dark wine red, dilution to red light brown, flocks. Alkaline reduction leuco body for the color red; Acid reduction leuco for yellow brown. Is light brittle dye. To cotton affinity is poorer, less used in cotton dyeing. 
 
Applications:
Suitable for direct printing, resist printing and aniline black color resist, also suitable for shallow, color of discharge. Suitable for cotton knits dyeing, more suitable for silk printing. But printing and dyeing fabric in sunlight exposure easy appear fiber brittle damage phenomenon. Can be used for viscose and wool dyeing, can also be processed into organic pigment.

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