1,9-Nonanedithiol, identified by its CAS number 3489-28-9, is a molecule whose chemical properties are key to its diverse industrial applications. As a dithiol, it possesses two terminal thiol (-SH) groups, which are highly reactive and form the basis of its utility in organic synthesis and materials science. Understanding these properties helps users to effectively buy and utilize this compound. NINGBO INNO PHARMCHEM CO.,LTD. supplies this chemical with guaranteed quality. The molecular formula of 1,9-Nonanedithiol is C9H20S2, with a molecular weight of approximately 192.39 g/mol. Its physical state is typically a colorless to pale yellow liquid. A significant characteristic is its pronounced sulfurous odor. The reactivity of the thiol groups is central to its applications. These groups can readily undergo oxidation to form disulfide bonds (-S-S-), a reaction fundamental to many chemical processes, including cross-linking polymers and forming stable self-assembled monolayers (SAMs) on metal surfaces. This ability to form strong surface bonds makes it valuable in nanotechnology and surface modification.

In organic synthesis, the nucleophilic nature of the thiolate anion (formed by deprotonation of the thiol group) allows 1,9-Nonanedithiol to participate in various substitution and addition reactions. It can react with alkyl halides, epoxides, and Michael acceptors, serving as a versatile building block for creating more complex sulfur-containing organic molecules. These molecules might find use in pharmaceuticals, specialty polymers, or other fine chemicals. When considering the purchase of 1,9-Nonanedithiol for such synthesis work, ensuring high purity from a reliable manufacturer like NINGBO INNO PHARMCHEM CO.,LTD. is essential for predictable reaction outcomes.

Furthermore, 1,9-Nonanedithiol's ability to chelate with metal ions is another important property, potentially leading to applications in metal extraction or as ligands in coordination chemistry. Its relatively long, flexible alkane chain also influences its solubility and physical behavior in different media, affecting its performance in various formulations and applications.

In conclusion, the chemical properties and reactivity of 1,9-Nonanedithiol (CAS 3489-28-9) are well-defined, making it a highly functional chemical. Its propensity for oxidation, nucleophilic reactions, and surface binding underscores its importance. For those looking to buy 1,9-Nonanedithiol for synthesis, material science, or flavor applications, NINGBO INNO PHARMCHEM CO.,LTD. offers a dependable source for this versatile compound.