Pyridinone sodium (SPT)
Pyridinone sodium (SPT) is a mildew proof and antibacterial raw material. It is easy to dissolve in organic solvents such as water and ethanol.
SPT used in acid conditions will have a decline effect, and it will be more stable under the alkaline or neutral conditions.
SPT belongs to low toxicity compounds, LD50 for mouse acute oral is 1260mg/kg; LD50 for intraperitoneal administration of mouse is 385mg/kg, Ames test of mice showed negative; the lethal dose of SPT intravenous injection for conscious dogs is in (770 + 73) mg/kg. This product is low toxic and should be avoid to contact with the mouth, eyes and skin. At the time of operation, we should pay attention to the related protection.
SPT has good antibacterial effect on the Aspergillus niger, Aspergillus flavus, Aspergillus variecolor, Penicillium citrinum, Paecilomyces varioti, Trichoderma viride, Chaetomium spp., Escherichia coli, Staphylococcus aureus, orange grass Bacillusand and 8 kinds of mildews.
SPT will be used for daily chemical (shampoo and hair care products) or architectural coatings, and used in adhesives, sealants and pesticides and textile products, SPT is also effective in the application of fungicides and excellent disinfectant for silkworm.