• 1. Rhodium(ii)-catalyzed direct sulfenylation of diazooxindoles with disulfides
  Hari Datta Khanal,Sung Hong Kim,Yong Rok Lee RSC Adv. 2016 6 58501
• 2. Gas chromatography-mass spectrometric identification of cyanide using a nucleophilic substitution based derivatization with S-phenyl benzenethiosulfonate
  D. Raghavender Goud,Kanchan Sinha Roy,Deepak Pardasani,Ajay Kumar Purohit,Vijay Kumar Tak,Devendra Kumar Dubey Anal. Methods 2020 12 5839
• 3. Metal-free cross-coupling reaction of aldehydes with disulfides by using DTBP as an oxidant under solvent-free conditions
  Jing-Wen Zeng,Yi-Chen Liu,Ping-An Hsieh,Yu-Ting Huang,Chih-Lun Yi,Satpal Singh Badsara,Chin-Fa Lee Green Chem. 2014 16 2644
• 4. Oxidative dual C–H thiolation of imidazopyridines with ethers or alkanes using elemental sulphur
  Jun-Rong Zhang,Yan-Yan Liao,Jian-Chao Deng,Kai-Ying Feng,Min Zhang,Yun-Yun Ning,Zi-Wei Lin,Ri-Yuan Tang Chem. Commun. 2017 53 7784
• 5. TBHP-mediated photochemical coupling/cyclization of N-arylacrylamides with thiols
  Zhonghua Qu,Xiaochen Ji,Lin Tian,Guojiang Mao,Guo-Jun Deng,Huawen Huang Org. Biomol. Chem. 2023 21 940

• Solvents and Organic Chemicals Organic Compounds Organosulfur compounds Organic disulfides Dialkyldisulfides
• Solvents and Organic Chemicals Organic Compounds Alcohol/Ether

Comprehensive Guide to Dicyclohexyl Disulfide (CAS No. 2550-40-5): Properties, Applications, and Industry Insights

Dicyclohexyl disulfide (CAS No. 2550-40-5) is a sulfur-containing organic compound with the molecular formula C₁₂H₂₂S₂. This disulfide derivative is widely recognized for its unique chemical properties, making it valuable in industrial and research applications. The compound features two cyclohexyl groups linked by a disulfide bond (S-S), which contributes to its stability and reactivity under specific conditions. Its molecular weight is 230.43 g/mol, and it typically appears as a colorless to pale yellow liquid with a characteristic odor.

In recent years, Dicyclohexyl disulfide has gained attention due to its role in lubricant additives and polymer stabilization. Researchers and manufacturers are increasingly exploring its potential as an anti-wear agent in high-performance lubricants, addressing the growing demand for energy-efficient machinery. The compound’s ability to form protective films on metal surfaces makes it a candidate for extreme pressure applications, a topic frequently searched in engineering forums and industry publications.

Another trending application of CAS No. 2550-40-5 is in the field of material science, where it serves as a crosslinking agent or modifier for synthetic rubbers and elastomers. With the rise of sustainable materials, questions like "How does Dicyclohexyl disulfide improve polymer durability?" or "Can disulfides enhance recyclability?" are commonly searched. Studies suggest that the compound’s thermal stability and compatibility with organic matrices contribute to extended material lifespans, aligning with circular economy goals.

The synthesis of Dicyclohexyl disulfide typically involves the oxidation of cyclohexyl mercaptan or the reaction of cyclohexyl chloride with sodium disulfide. Industrial-scale production requires precise control of reaction conditions to minimize byproducts, a topic of interest for process chemists optimizing yields. Analytical techniques like GC-MS and HPLC are employed for purity verification, ensuring compliance with industry standards such as those set by the American Chemical Society (ACS).

From an environmental perspective, Dicyclohexyl disulfide is subject to regulations under REACH and other global chemical frameworks. Users often search for "biodegradability of disulfide compounds" or "eco-friendly alternatives to sulfur-based additives." While the compound exhibits moderate persistence, advancements in green chemistry are driving research into modified derivatives with reduced ecological impact.

In the pharmaceutical and agrochemical sectors, CAS 2550-40-5 occasionally appears as an intermediate in specialty chemical synthesis. Its structural similarity to biologically active disulfides sparks interest in drug delivery systems and controlled-release formulations, though direct medicinal use remains limited. Safety data sheets emphasize standard organic compound handling protocols, with particular attention to ventilation due to its volatility.

Market analysts note steady demand for Dicyclohexyl disulfide in Asia-Pacific regions, where growing automotive and manufacturing sectors fuel consumption. Searches for "suppliers of 2550-40-5" or "technical specifications" often correlate with industrial expansion cycles. The compound’s pricing fluctuates with raw material (cyclohexane and sulfur) availability, a factor monitored by procurement specialists.

Emerging research explores the compound’s behavior in nanomaterial synthesis, particularly in creating sulfur-doped carbon structures for energy storage applications. This aligns with frequent searches about "disulfides in battery technology" and "next-generation electrode materials." While still in early stages, such applications could redefine the commercial significance of Dicyclohexyl disulfide in the coming decade.

Quality control remains paramount for users of 2550-40-5, with common analytical challenges including the detection of trace mercaptan impurities. Industry best practices recommend storage under inert atmospheres to prevent oxidation, a detail often queried in chemical handling forums. Technical bulletins from major manufacturers provide guidance on optimal storage temperatures (typically 2-8°C) and compatible container materials (glass or certain polymers).

In academic settings, Dicyclohexyl disulfide serves as a model compound for studying disulfide bond kinetics and radical reactions. Graduate-level chemistry courses frequently include experiments demonstrating its reduction to cyclohexylthiol or its participation in thiol-disulfide exchange reactions—fundamental concepts in organic chemistry education.

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