Concentrated Basic brown R Liquid and powder options engineered for consistent brown shades on wool, silk, leather and paper. Request a sample or technical datasheet (TDS/SDS) today.
On-demand shade matching & technical support
Basic Brown R is relatively stable within a wide range of pH values. Widely used for wool, silk, leather, paper, bamboo, wood color, also used in the manufacture of color and solvent dye deposit.
Color | Brown |
Appearance | Liquid |
Content | 40% |
Odor | Tasteless |
Melting point | 220°C |
Flash point | > 70 ℃ |
Boiling point | > 100 ℃ |
Water soluble | soluble |
PH value | 3.0-5.0 |
Density (g / cm3) | 1.25-1.55 |
25KG DRUM, 1000KG IBC DRUM
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.
Basic brown R (also called Bismarck Brown R or Basic Brown 4) is an azo-based brown basic dye used across textiles, leather and paper applications.
Basic brown R Liquid offers faster dispersion, reduced dust exposure, simplified dosing and often higher effective working concentration vs. powder.
Yes — every shipment is accompanied by a Certificate of Analysis and Safety Data Sheet. Contact sales for batch-specific documents.
Yes. We can provide tailor-made liquid concentrations and packaging sizes to suit industrial or R&D needs.
