Colorant

Fluorescent indicator. Diazonium salt and aromatic amine reagent. Organic synthesis. Dye intermediates. It is mainly used to produce azo dyes and edible pigments.

This product is obtained from natural plants through refining and purification. Zeaxanthin is a strong antioxidant. It can also protect tissues and cells by quenching singlet oxygen and scavenging free radicals, so as to protect biological systems from potential harmful effects caused by excessive oxidation reaction.

Titanium dioxide is an important inorganic chemical pigment, which is mainly composed of titanium dioxide. It has important applications in coatings, ink, paper, plastic, rubber, chemical fiber, ceramics and other industries. Titanium dioxide is not only used as colorant in rubber industry, but also has the function of reinforcing, anti-aging and filling. Titanium dioxide is added into white and color rubber products. Under sunlight, it is resistant to sunlight, cracking, discoloration, high elongation and acid-base resistance. Titanium dioxide for rubber, mainly used in automobile tires and rubber shoes, rubber floor, gloves, sports equipment, etc., is mainly anatase. However, a certain amount of rutile products are often added in the production of automobile tires to enhance the ability of anti ozone and anti ultraviolet. Titanium dioxide is widely used in cosmetics. Because titanium dioxide is nontoxic and far superior to lead white, almost all kinds of perfumes use titanium dioxide to replace lead white and zinc white. Only 5% - 8% titanium dioxide can be added to the fragrance powder to get permanent white, which makes the fragrance more greasy and has adhesion, absorption and covering power. In gouache and cold cream, titanium dioxide can reduce the feeling of greasy and transparent. Titanium dioxide can also be used in other spices, sunscreen, soap tablets, white soap and toothpaste.

Sodium copper chlorophyllin is used as food colorant and medical raw material. It has the function of promoting the healing of gastrointestinal ulcer in medicine.

Phycocyanin is a blue pigment extracted from spirulina, which is a pure natural edible pigment. Phycocyanin is one of the rare pigment proteins in nature. It is not only bright in color, but also a nutrient rich protein. It is also a good health food. It is the only natural blue pigment approved by FDA. The EU has listed phycocyanin as the raw material of color food, and its use in food is not limited. China GB2760 food additive catalogue also allows the use of algal blue as a natural colorant. Phycocyanin can also be used as medical and health products, cosmetic raw materials, biochemical reagents and so on.