Ethanethiol, also widely recognized as ethyl mercaptan, is a colorless, volatile organosulfur compound with the chemical formula C₂H₅SH. This compound is infamous for its intensely pungent, garlic-like odor, which is detectable by the human nose at concentrations as low as 1 part per billion, making it one of the most potent odorants known. The chemical formula of ethyl mercaptan is C₂H₅SH, and understanding the ethyl mercaptan formula is essential for chemists working in organic synthesis and industrial gas safety. Ethanethiol is a highly flammable liquid that boils at just 35°C, contributing to its rapid evaporation and strong smell when released into the air. Despite its toxicity and flammability, this compound plays a vital role in multiple industrial sectors, primarily as an odorizing agent for liquefied petroleum gas (LPG) and as a building block in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Due to its strong nucleophilic sulfur atom, ethanethiol readily participates in alkylation and Michael addition reactions, making it a valuable reagent in organic chemistry laboratories. The compound must be handled with extreme care because it can cause respiratory irritation, nausea, and headaches even at low exposure levels, which is why strict safety protocols are enforced wherever it is stored or used.

Qingdao Zhongshitiancheng Petrochemical Co., Ltd. has established itself as a premier supplier of high-purity ethanethiol in the global petrochemical market. With years of experience in the industry, the company leverages its strategic location in Qingdao, a major port city in China, to facilitate efficient logistics and timely deliveries to customers around the world. The company offers ethanethiol with a guaranteed purity of 99% or higher, ensuring that every batch meets the rigorous demands of industrial applications such as LPG odorization and organic synthesis. One of the key competitive advantages of Qingdao Zhongshitiancheng is its vertically integrated supply chain, which allows for strict quality control from raw material procurement through to final product packaging and shipment. This end-to-end oversight minimizes contamination risks and ensures batch-to-batch consistency, a critical factor for clients who rely on the reliability of the chemical formula of ethyl mercaptan to achieve predictable results in their processes. Additionally, the company maintains a robust inventory management system that enables it to fulfill both small-scale trial orders and large-volume contractual commitments without delays. To learn more about the company’s full product portfolio and operational philosophy, visit the About Us page, which details their extensive project experience and export capabilities. For a complete overview of available products and pricing, the Products page offers a comprehensive catalog that includes ethanethiol alongside other gas odorants and chemical additives. Interested buyers can also explore the Home page to see the brand story and featured product highlights.

What sets Qingdao Zhongshitiancheng apart from competitors is its unwavering commitment to customer satisfaction combined with technical expertise. Every shipment of ethanethiol is accompanied by detailed certificates of analysis that validate the purity, specific gravity, boiling point, and other physical-chemical parameters against the established ethyl mercaptan formula and industry standards. The company employs a dedicated team of logistics professionals who coordinate shipping routes, customs clearance, and documentation to ensure that products reach their destinations safely and on schedule. Furthermore, Qingdao Zhongshitiancheng offers flexible packaging options ranging from 150 kg drums to ISO tank containers, accommodating the diverse handling and storage requirements of clients in different regions. The company’s pricing model is transparent and competitive, reflecting its direct sourcing relationships and efficient production processes without sacrificing product quality. By choosing Qingdao Zhongshitiancheng as your ethanethiol supplier, you gain a partner that invests in long-term relationships through responsive communication, technical support, and reliable supply continuity.

The most prominent application of ethanethiol is as an odorizing agent for LPG, propane, butane, and other fuel gases that are naturally odorless. Because the chemical formula of ethyl mercaptan includes a sulfur atom that produces an extremely strong and unpleasant smell, adding trace amounts of this compound to fuel gases allows for the immediate detection of leaks by humans, thereby preventing explosions, fires, and asphyxiation accidents in residential, commercial, and industrial settings. Regulatory bodies around the world mandate the addition of odorants like ethanethiol to fuel gases, and the reliability of the ethyl mercaptan formula ensures consistent performance across varying temperatures and pressures. In addition to gas odorization, ethanethiol serves as a valuable reagent in organic synthesis, where its thiol group undergoes nucleophilic substitution and addition reactions to produce pharmaceuticals such as antiviral drugs, antibiotics, and cardiovascular medications. The compound also functions as a chain-transfer agent in polymer chemistry, controlling molecular weight and enhancing the properties of synthetic rubbers, adhesives, and coatings. Another specialized use of ethanethiol is in environmental remediation, where its ability to bind with heavy metals like mercury, lead, and cadmium makes it an effective chelating agent for removing toxic contaminants from industrial wastewater and soil. Research laboratories frequently employ ethanethiol as a precursor to thioethers and disulfides, which are important intermediates in the synthesis of agricultural chemicals, flavorings, and fragrances. The versatility of ethanethiol originates from the reactivity of the sulfur‑hydrogen bond, which allows it to participate in a wide array of chemical transformations that are difficult to achieve with oxygen‑based analogues.

Manufacturing high-purity ethanethiol requires advanced chemical processing technology and strict adherence to international quality standards. Qingdao Zhongshitiancheng operates its production facilities under certified management systems that align with ISO 9001 for quality management and ISO 14001 for environmental responsibility. The manufacturing process begins with the controlled reaction of ethanol and hydrogen sulfide over a catalyst, followed by multiple distillation steps that remove impurities such as water, diethyl sulfide, and unreacted raw materials. Each distillation stage is monitored by online gas chromatography to ensure that the final product matches the theoretical ethyl mercaptan formula and meets the specified purity of 99% or higher. Quality assurance does not end at the production line; every batch is sampled and tested in the company’s in-house laboratory for appearance, odor intensity, density, refractive index, and moisture content. The chemical formula of ethyl mercaptan, C₂H₅SH, dictates that the compound has a molecular weight of 62.13 g/mol and a boiling point of approximately 35°C, and these values are verified empirically before any batch is released for shipment. Certificates of analysis are provided with all orders, giving customers full transparency and traceability.

Safety handling of ethanethiol is of paramount importance due to its high volatility, flammability, and toxicity. The compound has a flash point of −17°C, meaning that even at subzero temperatures, its vapors can ignite in the presence of an ignition source. Workers must handle ethanethiol in well-ventilated areas or under inert gas blankets, wearing appropriate personal protective equipment including splash‑proof goggles, chemical‑resistant gloves, and respirators equipped with organic vapor cartridges. Storage areas should be cool, dry, and away from direct sunlight, with secondary containment to capture any spills. In the event of a leak, the strong odor provides an immediate warning, but emergency response teams must be prepared with self‑contained breathing apparatus and non‑sparking tools. Qingdao Zhongshitiancheng supplies comprehensive safety data sheets with every shipment, detailing the physical hazards, health effects, first‑aid measures, and fire‑fighting guidelines specific to ethanethiol. The company also offers technical consultation to help clients develop safe handling protocols and storage facilities that comply with local regulations. By maintaining rigorous safety standards throughout the supply chain, Qingdao Zhongshitiancheng ensures that its customers receive not only a high‑quality product but also the knowledge and support necessary to use it safely.

Industry professionals consistently choose Qingdao Zhongshitiancheng for their ethanethiol needs because of the company’s proven track record in quality, reliability, and customer service. Over the past decade, the company has completed more than 1,000 projects for clients across Asia, Europe, the Americas, and Africa, earning a reputation for on-time delivery and product consistency. Clients frequently praise the technical expertise of the sales and support teams, who are able to answer detailed questions about the chemical formula of ethyl mercaptan, the ethyl mercaptan formula, and its behavior under different process conditions. Testimonials highlight the company’s willingness to provide custom packaging, adjust delivery schedules to match production timelines, and offer post‑shipment technical assistance when challenges arise. Unlike many commodity chemical suppliers, Qingdao Zhongshitiancheng treats each order as a partnership, investing time in understanding the customer’s application and recommending the most suitable grade and handling approach. The company’s after‑sales support extends to helping customers optimize their odorization processes, troubleshoot quality issues, and navigate regulatory requirements for importing sulfur‑based chemicals. This level of dedication has resulted in long‑standing relationships with major gas distribution companies, chemical manufacturers, and research institutions that rely on consistent access to premium ethanethiol.

Another compelling reason to select Qingdao Zhongshitiancheng is the company’s ability to scale supply quickly in response to market fluctuations. When demand for ethanethiol spikes due to seasonal LPG consumption or new industrial projects, the company’s production capacity and inventory reserves allow it to fulfill urgent orders without compromising quality. The company’s strategic partnerships with raw material suppliers further insulate it from price volatility, enabling it to offer competitive rates even during periods of feedstock scarcity. Additionally, Qingdao Zhongshitiancheng invests continuously in process optimization and quality improvement, integrating feedback from customers to refine its manufacturing and logistics operations. For potential buyers who are evaluating suppliers for the first time, the company offers free product samples so that they can verify the odor strength, purity, and handling characteristics of the ethanethiol before committing to larger volumes. This low‑risk evaluation process demonstrates the confidence that Qingdao Zhongshitiancheng has in its product and its willingness to stand behind every batch. Whether you need a single drum for laboratory use or a multi‑ton container for industrial odorization, the company delivers with the same commitment to excellence and attention to detail. For direct inquiries, visit the Contact page to reach the sales team.

If your business requires a dependable source of high-purity ethanethiol, Qingdao Zhongshitiancheng Petrochemical Co., Ltd. is ready to assist with prompt quotations, product samples, and technical documentation. The company’s experienced sales team can provide detailed information about the chemical formula of ethyl mercaptan, packaging options, shipping logistics, and pricing tailored to your volume and delivery location. To request a quote, ask for a safety data sheet, or schedule a consultation regarding your specific application, please use the contact form on the Contact page, where you can also find direct phone numbers and email addresses. The company’s physical address is in Qingdao, China, at the heart of one of the country’s busiest petrochemical hubs, ensuring efficient export processing and short lead times to major ports worldwide. Do not hesitate to reach out with any questions about the ethyl mercaptan formula or how ethanethiol can meet your industrial requirements. Qingdao Zhongshitiancheng values every inquiry and commits to responding within 24 hours with clear, actionable information. Secure your supply chain with a trusted partner who understands the critical role that ethanethiol plays in safety and production. Contact Qingdao Zhongshitiancheng today to start a reliable and lasting business relationship.