This article provides a comprehensive guide to Tris(2-carboxyethyl)phosphine Hydrochloride (CAS 51805-45-9), an essential reagent in chemical research. It delves into its properties, applications, synthesis methods, safety considerations, storage, and handling, making it a must-have resource for chemists and researchers.
Tris(2-carboxyethyl)phosphine Hydrochloride, commonly known as TCEP, is a widely used reagent in chemical research. It is a derivative of phosphine, which is a triatomic molecule with the chemical formula PH3. TCEP is particularly valued for its ability to reduce disulfide bonds, making it a key player in protein purification and modification processes. This guide will explore the various aspects of TCEP, providing chemists and researchers with a thorough understanding of its importance and usage.
TCEP is a white to off-white crystalline solid that is soluble in water and moderately soluble in organic solvents. It has a molecular weight of 244.68 g/mol and a melting point of approximately 100°C. The compound is highly reactive and should be handled with care due to its potential to cause irritation to the skin, eyes, and respiratory system. TCEP is also known for its ability to reduce disulfide bonds, which is crucial in many biochemical applications.
One of the primary applications of TCEP is in the reduction of protein disulfide bonds. This process is essential for protein purification, as it allows for the separation of proteins from other cellular components. TCEP is also used in the modification of proteins, such as the introduction of cysteine residues for site-directed mutagenesis. Additionally, TCEP is employed in the synthesis of organophosphorus compounds and as a catalyst in various organic reactions.
The synthesis of TCEP involves the reaction of phosphine with 2-carboxyethyl chloroformate in the presence of a base. The reaction typically requires a solvent such as dimethylformamide (DMF) or tetrahydrofuran (THF). The resulting product is then purified by recrystallization from a suitable solvent. The process is straightforward but requires careful handling due to the toxic nature of the starting materials and the reagents used.
Due to its potential for causing irritation and toxicity, TCEP must be handled with appropriate safety measures. It is recommended to wear protective gloves, safety goggles, and a lab coat when working with TCEP. The compound should be stored in a cool, dry place, away from incompatible materials such as oxidizing agents. In case of accidental exposure, immediate first aid should be administered, and appropriate safety data sheets should be readily available.
Proper storage and handling of TCEP are crucial to maintain its stability and effectiveness. The compound should be stored in a tightly sealed container, away from light and moisture. It is advisable to use a secondary container, such as a desiccator, to protect TCEP from moisture. When handling TCEP, it is essential to avoid contact with skin and eyes, and to use appropriate ventilation to prevent inhalation of dust or fumes.
Tris(2-carboxyethyl)phosphine Hydrochloride (CAS 51805-45-9) is a vital reagent in chemical research, particularly in protein purification and modification. This guide has provided an overview of its properties, applications, synthesis methods, safety considerations, storage, and handling. By understanding these aspects, chemists and researchers can effectively utilize TCEP in their experiments, ensuring accurate and reliable results.
Tris(2-carboxyethyl)phosphine Hydrochloride, TCEP, CAS 51805-45-9, protein reduction, disulfide bond, protein purification, safety considerations, storage, handling
English (United States) 
English (Australia) 
Spanish 
Portuguese