Appearance: White crystalline powder, melting point of 70-73 ℃, moisture content ≤ 0.5%, soluble in organic solvents such as ethanol, insoluble in water.
Chemical properties: It has good compatibility and compatibility, is stable to baking powder, but is not resistant to high temperature baking, has average sun fastness, average dyeing ability, and is not resistant to metal ions such as copper and iron.
Scope of application: Mainly used for whitening soft and hard PVC plastics, as well as fibers such as wool, natural silk, acrylic, nylon, etc. It can also be used for whitening synthetic detergents such as laundry detergent, and is a common laser dye.
Usage and dosage: When used for plastic, mix it evenly with the corresponding processed plastic; When used for wool, natural silk, and acrylic fiber, it is generally used in a liquid state. The dosage of wool is 0.05% -0.35%, natural silk is 0.05% -0.4%, acrylic fiber is 0.05% -0.8%, and the dosage of detergent and laundry detergent is between 0.01% -0.05%.
