The dye from the seed material was extracted using water. Known amount (5 g) of B. orellana seeds were crushed in a mortar and pestle and soaked in water (100 mL) for 10 min and refluxed at 80 °C (in water bath) for an hour. During this period, the colorants get extracted. The extracted solution was filtered through Watt man No. 1 filter paper. The pH of the extracted dye solution is 6.5. The extracted dye solution was subsequently employed for dyeing and finishing of leathers. The water extract of the B. orellana seed has been subjected to column chromatography using silica gel (60–120 mesh) and eluted stepwise using (100:13.5:10) methanol:chloroform:water as a mobile phase. The purified samples have been further analyzed by Cary 100 UV-spectrophotometer. FT-IR of samples was analyzed using Perkin-Elmer RX I FT-IR spectrophotometer and particle size analysis of the dye solution was characterized using Malvern Instruments, UK.