Tinting Strength：100±3% Shade & Tone：Conform to reference standard Loss on Drying：≤1.0% Water Insoluble Substance：≤0.5% Residue on Ignition：≤0.3% Moisture：≤0.8% Heavy Metals：≤10 ppm pH (1% Aqueous Solution)：5.0～7.0

Identification：IR spectrum & color reaction compliant

Biological staining reagent

Classic basic dye for Gram staining, tissue section, cell staining and microbial microscopic examination, widely used in laboratory.

Industrial coloring agent

Cationic basic dye for paper, acrylic fiber, leather, wool and wood coloring, featuring high tinting strength and bright shade.

Daily chemical & stationery

Used in ballpoint pen ink, stamp pad ink, carbon paper, shoe polish, crayons and pigment blending.

Antiseptic & bacteriostatic raw material

With antibacterial and disinfection properties, applied in low-concentration external antiseptic products.

Analytical indicator

Used as acid-base indicator and redox color reagent for water quality testing and chemical solution analysis.