Overview
Tromethamine, commonly referred to as THAM or Tris buffer, is a versatile organic compound primarily used as a buffering agent. Its ability to maintain a stable pH makes it invaluable in various scientific and industrial applications. The compound is synthesized through the reaction of ammonia with formaldehyde, followed by further processing to achieve the desired purity. Tromethamine is widely recognized for its non-toxic nature and effectiveness in maintaining pH levels in biological and chemical systems. Its stability under a range of temperatures and conditions further enhances its utility in diverse fields, from pharmaceuticals to industrial processes.
Physical and Chemical Properties
Tromethamine is a white crystalline powder with a molecular weight of 121.14 g/mol. It has a melting point of 168-172°C and a boiling point of 219-220°C at reduced pressure. The compound is highly soluble in water, making it ideal for aqueous solutions, and slightly soluble in ethanol. Its density is approximately 1.353 g/cm³, and it exhibits excellent buffering capacity in the pH range of 7-9. These properties, combined with its stability, make Tromethamine a preferred choice for applications requiring precise pH control.
Main Applications
In the pharmaceutical industry, Tromethamine is used as a buffering agent in parenteral formulations, including intravenous medications and vaccines. Its ability to stabilize pH ensures the efficacy and safety of these products. Biological research laboratories utilize Tromethamine in electrophoresis and cell culture media, where maintaining a consistent pH is critical. Additionally, it finds applications in industrial processes, such as gas purification and as a component in cooling fluids.
Safety and Storage
While Tromethamine is generally considered non-toxic, proper handling is essential to avoid potential health risks. Direct contact with skin or eyes should be avoided, and protective equipment such as gloves and goggles should be worn when handling the compound. Storage conditions should include a cool, dry environment away from moisture and direct sunlight to prevent degradation. Properly sealed containers are recommended to maintain the compound's integrity over time.
B2B Procurement Guide
When procuring Tromethamine, it is crucial to verify the supplier's credentials and request certificates of analysis (CoA) to ensure product purity and quality. Material safety data sheets (MSDS) should also be reviewed to understand handling and storage requirements. Bulk purchases may offer cost advantages, but buyers should balance quantity with storage capabilities to prevent spoilage. Comparing prices from multiple suppliers can help secure the best deal without compromising on quality.
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