Abstract
This article provides a comprehensive guide to understanding guanidinium sulphate, a chemical compound with the CAS number 1184-68-5. It delves into the properties, applications, synthesis methods, safety considerations, and environmental impact of guanidinium sulphate. The guide aims to unlock the secrets of this compound, offering insights into its role in various industries and research fields.
Introduction to Guanidinium Sulphate
Guanidinium sulphate, with the chemical formula [(CH2NH3)2SO4], is a salt that finds extensive use in various industries. It is a white crystalline solid that is highly soluble in water. This guide will explore the multifaceted nature of guanidinium sulphate, including its physical and chemical properties, synthesis methods, and applications.
Physical and Chemical Properties
Guanidinium sulphate is a white crystalline solid that is odorless and has a slightly bitter taste. It is highly soluble in water, with a solubility of approximately 200 g per 100 mL at 20°C. The compound is also soluble in alcohol and slightly soluble in ether. Its melting point is around 237°C, and it decomposes when heated above 300°C. These properties make guanidinium sulphate a versatile chemical with a wide range of applications.
Synthesis Methods
The synthesis of guanidinium sulphate can be achieved through various methods, including the reaction of guanidine with sulfuric acid. This process involves the neutralization of guanidine hydrochloride with sodium hydroxide to form guanidine hydroxide, which is then reacted with sulfuric acid to produce guanidinium sulphate. Another method involves the reaction of guanidine with sodium sulfate, followed by recrystallization to obtain pure guanidinium sulphate. These synthesis methods are crucial for the production of guanidinium sulphate on an industrial scale.
Applications in Industry
Guanidinium sulphate is widely used in various industries. It serves as a buffering agent in biological research, helping to maintain a stable pH in solutions. In the pharmaceutical industry, it is used as a stabilizer and excipient in the formulation of drugs. Additionally, guanidinium sulphate is employed in the food industry as a preservative and flavor enhancer. Its applications extend to agriculture, where it is used as a fertilizer and soil conditioner.
Environmental Impact
The environmental impact of guanidinium sulphate is a significant concern. While it is biodegradable, the compound can accumulate in aquatic environments, potentially affecting aquatic life. Proper disposal and handling of guanidinium sulphate are essential to minimize its environmental impact. Research is ongoing to develop more sustainable methods of production and use of this compound.
Safety Considerations
Guanidinium sulphate is considered relatively safe for use in industrial and laboratory settings. However, it is important to handle the compound with care due to its potential to cause irritation to the skin, eyes, and respiratory system. Adequate ventilation and personal protective equipment, such as gloves and safety goggles, should be used when working with guanidinium sulphate.
Conclusion
Unlocking the secrets of guanidinium sulphate, as detailed in this comprehensive guide, reveals its diverse applications and properties. From its physical and chemical characteristics to its synthesis methods and environmental impact, this guide provides a thorough understanding of this compound. By exploring the various aspects of guanidinium sulphate, researchers and industry professionals can make informed decisions regarding its use and disposal.
Keywords: guanidinium sulphate, CAS 1184-68-5, physical properties, chemical properties, synthesis methods, applications, environmental impact, safety considerations
