BRONOPOL H.S 2905590030 Molecular formula: c3h6brno4. Molecular weight: 199.98800. CAS No.: 52-51-7. EINECS 200-143-0 Appearance: white to light yellow, yellowish brown crystalline powder. Melting point: 130-133 �° C (lit.). Flash point: 167 �° C. Odor: odorless and tasteless. Solubility: bropol is insoluble in petroleum ether, slightly soluble in chloroform, acetone and benzene, soluble in water, ethanol and ethyl acetate. The solubility in water at 22 is 250G / L. Usage: bropol is mainly used as preservative and bactericide. It is added to the processing of cosmetics such as shampoo, balm and cream. The concentration in cosmetics is 0.01% - 0.02%. It can also be used as detergent, fabric treatment agent, etc. As a bactericide. It can effectively control a variety of plant pathogenic bacteria. Cotton seed treatment can prevent cotton black arm disease and bacterial blight caused by cotton angular spot, and has no drug damage to cotton. It can also be used for rice seedling cachexia. The recommended concentration is 800 ~ 1000mg / L. It is also used in industrial circulating water, papermaking pulp, coating, plastics, cosmetics, wood, cooling water circulating system, as well as sterilization, mildew prevention, anti-corrosion and algae killing for industrial purposes.