Basic Brown 4

Additional Product Details

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.

Basic Brown 4 Applications:

Mainly used for silk, wool fabric dyeing, also used in leather and paper color.

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.