【中文】土黄色或黄褐色粉末，难溶于水，易溶于丙酮，熔点 40℃。主要用于生产染料靛蓝，也可用于有机合成。低温干燥通风储存，不得与酸、碱及强氧化剂共存。
【English】Earthy yellow to yellowish-brown powder, sparingly soluble in water, readily soluble in acetone, melting point 40°C. Mainly used for indigo dye production and organic synthesis. Store cool and dry; do not store with acids, alkalis or strong oxidants.
