Product Name: 2-(Thiocyanatomethylthio)benzothiazole TCMTB
CAS Number: 21564-17-0
Appearance: It usually appears as a white to light - yellow powder. This physical form makes it easy to handle and mix in different applications.
Molecular Formula: C₈H₅N₂S₃
Molecular Weight: Approximately 224.33 g/mol
Melting Point: Around 100 - 104 °C. This melting point range provides an indication of its stability under normal storage and handling conditions.
Solubility: It has relatively low solubility in water but is soluble in many organic solvents such as acetone, chloroform, and toluene. This solubility property is crucial for its application in different formulations.
1. Anti - microbial Agent: TCMTB is widely used as an effective anti - microbial agent. It can inhibit the growth of various bacteria, fungi, and algae. In industrial water systems, it helps to prevent biofilm formation, which can cause problems such as blockages and corrosion in pipes and heat exchangers. For example, in cooling towers, it keeps the water clean and free from microbial contamination.
2. Wood Preservation: The product is also used in wood preservation. It can protect wood from decay caused by fungi and termites. By treating wood with TCMTB, the service life of wooden structures and products can be significantly extended, such as wooden fences, decks, and utility poles.
3. Paints and Coatings: In the paint and coating industry, TCMTB serves as a biocide. It helps to prevent the growth of mold and mildew on painted surfaces, maintaining the aesthetic appearance and durability of the paint film. This is especially important in humid environments.
1. Industrial Water Treatment: For industrial water systems, the recommended dosage of TCMTB is usually 10 - 50 ppm (parts per million). It can be added directly to the water tank or system. Before adding, it should be properly dissolved in an appropriate organic solvent. Regular monitoring of the water quality is necessary to ensure the effectiveness of the treatment.
2. Wood Treatment: When used for wood preservation, TCMTB can be applied through dipping, spraying, or pressure treatment methods. The concentration of the treatment solution depends on the specific application and the degree of protection required. Generally, a solution with a concentration of 0.5% - 2% TCMTB is used.
3. Paints and Coatings: In the formulation of paints and coatings, TCMTB is added during the manufacturing process. The typical addition amount is 0.1% - 1% of the total weight of the paint or coating. It should be thoroughly mixed to ensure uniform distribution in the product.
1. Cooling Tower Case: A large manufacturing plant was facing frequent blockages in its cooling tower due to biofilm formation. After adding TCMTB to the cooling water at a dosage of 30 ppm, the biofilm growth was effectively controlled. The plant observed a significant reduction in maintenance costs as the frequency of pipe cleaning and equipment replacement decreased. The cooling efficiency of the tower also improved, resulting in energy savings.
2. Wood Fence Case: A residential area installed wooden fences treated with a 1% TCMTB solution. After two years of exposure to the outdoor environment, the fences showed no signs of decay or termite damage. In contrast, untreated fences in the same area started to show visible signs of rot and termite infestation within one year.
3. Paint on a Bathroom Wall Case: A bathroom was painted with a paint containing 0.5% TCMTB. Even in the humid environment of the bathroom, there was no mold or mildew growth on the painted walls for more than two years. In comparison, a neighboring bathroom painted with a non - biocidal paint started to develop mold within six months.
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