What are the mass spectrometry properties of 50% Cyanamide?

As a supplier of 50% Cyanamide, I am often asked about the mass spectrometry properties of this chemical. Mass spectrometry is a powerful analytical technique that provides valuable insights into the structure and composition of chemical compounds. In this blog post, I will delve into the mass spectrometry properties of 50% Cyanamide, exploring its fragmentation patterns, molecular weight determination, and the significance of these properties in various applications.

Molecular Structure and Formula of Cyanamide

Cyanamide, with the chemical formula CH₂N₂, is a simple organic compound that contains a cyano group (-CN) and an amino group (-NH₂). The structure of cyanamide can be represented as H₂N - C≡N. This unique structure gives cyanamide its distinct chemical and physical properties, which are also reflected in its mass spectrometry behavior.

Mass Spectrometry Basics

Mass spectrometry involves the ionization of a sample, followed by the separation of the ions based on their mass - to - charge ratio (m/z). The ions are then detected, and a mass spectrum is generated, which shows the relative abundance of ions at different m/z values. There are several ionization methods available, such as electron ionization (EI), electrospray ionization (ESI), and matrix - assisted laser desorption/ionization (MALDI). Each method has its own advantages and is suitable for different types of samples.

Mass Spectrometry of 50% Cyanamide

Molecular Weight Determination

The molecular weight of cyanamide (CH₂N₂) is approximately 42.04 g/mol. In a mass spectrum, the molecular ion peak (M⁺) corresponding to the intact molecule with a single positive charge is expected at m/z = 42. However, in a 50% cyanamide solution, there may be some complications. The presence of water and other possible impurities can affect the ionization process and the appearance of the mass spectrum.

When using electrospray ionization (ESI), which is a soft ionization method, the formation of protonated molecules ([M + H]⁺) is common. For cyanamide, the [M + H]⁺ ion will have an m/z value of 43. This peak is often the most prominent in the ESI mass spectrum of cyanamide, as it represents the protonated form of the molecule.

Fragmentation Patterns

In electron ionization (EI), which is a more energetic ionization method, cyanamide undergoes fragmentation. One of the common fragmentation pathways involves the cleavage of the C - N bond between the amino group and the cyano group. This can lead to the formation of ions such as [NH₂]⁺ (m/z = 16) and [CN]⁺ (m/z = 26). These fragment ions provide information about the structure of cyanamide and can be used to confirm its identity.

Another possible fragmentation pathway is the loss of a hydrogen atom from the amino group, resulting in the formation of an ion with m/z = 41. This fragmentation can occur due to the high - energy environment in the EI source.

Significance of Mass Spectrometry in Cyanamide Analysis

Quality Control

Mass spectrometry is an essential tool for quality control in the production of 50% cyanamide. By analyzing the mass spectrum, we can determine the purity of the product, detect the presence of impurities, and ensure that the cyanamide content meets the specified standards. For example, if there are unexpected peaks in the mass spectrum, it may indicate the presence of contaminants or by - products from the manufacturing process.

Reaction Monitoring

In chemical reactions involving cyanamide, mass spectrometry can be used to monitor the progress of the reaction and identify reaction intermediates and products. For instance, in the synthesis of pharmaceuticals or agrochemicals using cyanamide as a starting material, mass spectrometry can help researchers understand the reaction mechanism and optimize the reaction conditions.

Applications of 50% Cyanamide

Agriculture

50% Cyanamide is widely used in agriculture as a plant growth regulator and a defoliant. It can break the dormancy of buds in fruit trees, promote early flowering and fruiting, and improve the quality and yield of crops. Mass spectrometry can be used to study the metabolism of cyanamide in plants, as well as to detect its residues in agricultural products.

Chemical Synthesis

Cyanamide is an important intermediate in the synthesis of various chemicals, such as melamine, dicyandiamide, and guanidine salts. Mass spectrometry plays a crucial role in the characterization of these synthetic products and in ensuring the efficiency and selectivity of the synthesis reactions.

Related Products

As a supplier, we also offer other related products, such as Granular Calcium Carbide for Chemical and Granular Calcium Cyanamide. Calcium carbide is used in the production of acetylene, which can be further used in the synthesis of cyanamide. Calcium cyanamide is an important fertilizer and a precursor for the production of cyanamide. You can find more information about these products on our website. For more details about Cyanamide 420 - 04 - 2, please visit the provided link.

Conclusion

The mass spectrometry properties of 50% Cyanamide provide valuable information about its structure, purity, and reactivity. By understanding these properties, we can ensure the quality of our products and support various applications in agriculture and chemical synthesis. If you are interested in purchasing 50% Cyanamide or any of our related products, please feel free to contact us for more information and to discuss your specific requirements. We are committed to providing high - quality products and excellent customer service.

References

1. "Mass Spectrometry: Principles and Applications" by J. T. Watson and O. D. Sparkman.
2. "Cyanamide: Properties, Production, and Applications" in various chemical and agricultural research journals.