Description:
This product is colorless  or light yellow transparant oil liquid.It has special smell and burning smell.Its color changes to dark when exposed in air and light.It can volatilize with steam.It is consuluted with alcohol,chloroform,benzene and most organic solvents.1g of this product is soluble in 28.6ml of cold water,15.7ml of boiling water.The melting point is 6℃ and the boiling point  is 184～186℃.It is middle toxic.It is used in solvents,organic synthesis and dyestuff manufacture.It is used to detect  halogen ,chromate ,vanadate ,nitrite and carboxylic acid.This product should be sealed in a shaded and dry place from light.