Basic Brown 4 Bismarck Brown R for Leather and Paper

• Colour: Brown
• Appearance: Powder
• Usage: Paper, Paint, Textile, Ink, Leather
• Application Material: Leather
• Name: Basic Brown 4
• Content: 100%
• Model NO.: Basic Brown 4
• C.I.No.: 21010
• Application: Paper, Leather, Ink, Cotton
• Transport Package: 25kg/Bag, Drum, Carton
• Specification: basic dye
• Trademark: EMPEROR
• Origin: China
• HS Code: 3204130000
• Production Capacity: 80000mt/Year

Product Description

Product Name:BASIC BROWN 4
C.I. No.: 21010
CAS No.: 1052-36-6/8052-76-4
Molecular Formula: C21H24N8
Molecular Weight: 388.47
Shade: brown
 
Relative name:
Bismarck Brown R;

Basic brown 4 Physical Properties and light fastness.

Basic brown 4
Light Fastness	1
Perspiration Fastness(fading)	4
Perspiration Fastness(stain)	1
Soaping(fading)	1
Soaping(stain)	2

 
Basic brown 4 Properties: red light brown. For yellow brown is soluble in water, soluble in ethanol and soluble fiber element, slightly soluble in acetone, insoluble in benzene. The strong sulfuric acid for brown, diluted into a red light brown; In nitric acid solution for purple, to brown; In strong hydrochloric acid for purple solution (don't). The dye solution to join strong hydrochloric acid for yellow brown; Add 10% sodium hydroxide solution into orange.
 
Applications:
Mainly used for silk, wool fabric dyeing, also used in leather and paper color
 
Package, 25KG/DRUM, CARTON BOX, BAG