What is the solubility of Guanidine Carbonate in different solvents?
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Guanidine carbonate is a versatile chemical compound widely used in various industries, including pharmaceuticals, agrochemicals, and polymer synthesis. As a leading supplier of guanidine carbonate, we are often asked about its solubility in different solvents. Understanding the solubility of guanidine carbonate is crucial for its proper application and formulation in various processes. In this blog post, we will explore the solubility of guanidine carbonate in different solvents and its implications for different industries.
Solubility in Water
Water is one of the most common solvents used in chemical processes, and guanidine carbonate exhibits significant solubility in water. At room temperature, guanidine carbonate can dissolve in water to form a clear, colorless solution. The solubility of guanidine carbonate in water is influenced by factors such as temperature and pH. Generally, the solubility of guanidine carbonate increases with increasing temperature. For example, at 20°C, the solubility of guanidine carbonate in water is approximately 100 g/L, while at 80°C, it can reach up to 200 g/L.
The solubility of guanidine carbonate in water also depends on the pH of the solution. Guanidine carbonate is a basic compound, and in acidic solutions, it can react with acids to form guanidine salts. In alkaline solutions, guanidine carbonate remains stable and soluble. This property makes guanidine carbonate suitable for use in aqueous systems where a basic environment is required.
Solubility in Organic Solvents
In addition to water, guanidine carbonate also shows some solubility in certain organic solvents. However, its solubility in organic solvents is generally lower compared to water. The solubility of guanidine carbonate in organic solvents depends on the polarity and structure of the solvent.
Alcohols
Guanidine carbonate exhibits limited solubility in alcohols such as methanol and ethanol. The solubility of guanidine carbonate in methanol is approximately 10 g/L at room temperature, while in ethanol, it is even lower, around 5 g/L. The relatively low solubility in alcohols is due to the difference in polarity between guanidine carbonate and alcohols. However, in some cases, alcohols can be used as co - solvents with water to improve the solubility and formulation of guanidine carbonate.
Ketones
Ketones such as acetone also have limited solubility for guanidine carbonate. At room temperature, the solubility of guanidine carbonate in acetone is less than 1 g/L. The non - polar nature of acetone and the polar nature of guanidine carbonate result in poor solubility. However, in specific industrial processes where a non - aqueous and low - polarity environment is required, the limited solubility in ketones may still be utilized in combination with other additives or through special formulation techniques.
Other Organic Solvents
Guanidine carbonate has very low solubility in non - polar solvents such as hexane and toluene. These solvents have a very different polarity from guanidine carbonate, and there is little interaction between the solvent molecules and the guanidine carbonate molecules, resulting in negligible solubility.
Implications for Different Industries
The solubility characteristics of guanidine carbonate in different solvents have significant implications for its use in various industries.
Pharmaceutical Industry
In the pharmaceutical industry, guanidine carbonate is used as an intermediate in the synthesis of various drugs. Its solubility in water and certain organic solvents is crucial for the formulation of drug products. For example, in the preparation of oral solutions or injections, the solubility in water allows for easy dissolution and administration. In cases where non - aqueous formulations are required, the limited solubility in organic solvents may require the use of solubilizing agents or special formulation techniques to ensure the stability and bioavailability of the drug.

Agrochemical Industry
In the agrochemical industry, guanidine carbonate is used in the synthesis of pesticides and fertilizers. Its solubility in water is important for the preparation of aqueous formulations that can be easily sprayed or applied to crops. The ability to dissolve in water also allows for better dispersion and absorption in the soil, enhancing the effectiveness of the agrochemical products.
Polymer Industry
In the polymer industry, guanidine carbonate can be used as a catalyst or a cross - linking agent. The solubility in organic solvents may be relevant in the synthesis of polymers in non - aqueous systems. For example, in the preparation of certain specialty polymers, the limited solubility in alcohols or other organic solvents can be utilized to control the reaction rate and the properties of the resulting polymers.
Pro - xylane and Its Relevance
Pro - xylane is an important organic intermediate in the chemical industry. While it may seem unrelated to guanidine carbonate at first glance, both compounds play important roles in different chemical processes. Pro - xylane is often used in the cosmetic and pharmaceutical industries for its unique properties. Understanding the solubility of guanidine carbonate in different solvents can also provide insights into the formulation and processing of related chemical compounds such as Pro - xylane. For example, the knowledge of solubility in organic solvents can be applied to the co - formulation of guanidine carbonate and Pro - xylane in certain products, ensuring their compatibility and stability.
Conclusion
The solubility of guanidine carbonate in different solvents is a complex property that is influenced by factors such as temperature, pH, and the nature of the solvent. Its solubility in water makes it suitable for a wide range of applications in aqueous systems, while its limited solubility in organic solvents can be utilized in specific non - aqueous processes. As a supplier of guanidine carbonate, we understand the importance of these solubility characteristics for our customers in different industries.
If you are interested in purchasing guanidine carbonate for your specific application, we invite you to contact us for further discussion. Our team of experts can provide you with detailed information on the solubility of guanidine carbonate in different solvents and help you choose the most suitable product and formulation for your needs. We look forward to working with you to meet your chemical requirements.
References
- Handbook of Chemistry and Physics. CRC Press.
- Chemical Engineering Handbook. McGraw - Hill.
- Pharmaceutical Dosage Forms: Tablets. Marcel Dekker.






