|
HS Code |
412523 |
| chemical_name | 2-Methyl-2-Butanethiol |
| molecular_formula | C5H12S |
| molecular_weight | 104.21 g/mol |
| cas_number | 75-66-1 |
| appearance | Colorless liquid |
| odor | Strong, unpleasant, sulfur-like |
| boiling_point | 97-98 °C |
| melting_point | -121 °C |
| density | 0.801 g/cm3 at 20 °C |
| refractive_index | 1.436 |
| flash_point | 1 °C (closed cup) |
| solubility_in_water | Insoluble |
| vapor_pressure | 100 mmHg at 26.7 °C |
| pubchem_cid | 10944 |
| iupac_name | 2-methyl-2-butanethiol |
As an accredited 2-Methyl-2-Butanethiol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 100 mL, tightly sealed with a screw cap; labeled with hazard symbols, chemical name, and safety precautions. |
| Shipping | 2-Methyl-2-Butanethiol is shipped in tightly sealed containers, typically glass or metal, under inert atmosphere to prevent leakage or vapor release. Classified as a flammable liquid with strong odor, it requires labeling as a hazardous material (UN No. 2331), and should be handled and transported according to international chemical safety regulations. |
| Storage | 2-Methyl-2-butanethiol should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible materials such as oxidizing agents. Keep away from direct sunlight and store in a flammable liquids cabinet. Proper labeling and secondary containment are recommended to prevent leaks and exposure to vapors. |
Applications of 2-Methyl-2-Butanethiol in Industrial ManufacturingAs the direct manufacturer of 2-Methyl-2-Butanethiol, we support a range of specialized industrial customers with consistent supply and technical know-how. Below, we detail the principal downstream applications where this material plays an integral formulation and processing role, including the specific industry protocols, adjustment ranges, stage of process integration, and finished goods our clients produce. Each scenario is based solely on validated industrial use cases. 1. Oil and Gas – Odorant for Natural Gas & LPG2-Methyl-2-Butanethiol functions as a safety-critical odorizing agent for natural gas and liquefied petroleum gas (LPG). Utility providers and gas processors add it to otherwise odorless fuels to ensure leak detection throughout distribution networks, meeting regulatory mandates for public health and workplace safety. Effectiveness and compliance require precise dosing and traceability, as well as compatibility with metering injection systems at pipeline, terminal, and filling stages. Industry compliance standards
Typical usage ratio
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2. Agrochemical Intermediates – Synthesis of Thiol-Containing PesticidesProducers of agrochemical actives use this thiol as a building block in the multi-step syntheses of sulfur-containing herbicides and insecticides. Reactive thiol functionality enables reliable incorporation during thiolation and alkylation stages, imparting selectivity and stability to the active compounds. Precise charge ratios and clean handling are critical to ensure desired reactivity and minimize by-product formation, governed by agriculture regulatory guidelines and product purity specifications. Industry compliance standards
Typical usage ratio
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3. Flavors & Fragrances – Synthesis of Sulfur Aroma CompoundsFine chemical manufacturers require this material for the creation of authentic sulfur-based aroma molecules, used as base notes or critical trace ingredients in complex food and beverage flavors as well as perfumery. Its distinctive odor and chemical behavior allow reliable control over the structure and intensity of finished aroma compounds. Producers formulate under global food safety and flavor house standards, demanding traceability and strict batch-to-batch uniformity. Industry compliance standards
Typical usage ratio
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4. Polymer Additive Industry – Chain Transfer Agent in Specialized PolymerizationsPolymer resin manufacturers utilize this thiol as a chain transfer agent to control molecular weight and branching in the production of high-performance specialty polymers. Its effectiveness in regulating polymer chain propagation supports batch-to-batch consistency and tailored physical properties in technical resin grades. Addition occurs under tightly monitored clean-room or inert atmosphere conditions, within globally recognized production quality frameworks. Industry compliance standards
Typical usage ratio
Downstream process integration
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5. Mining Industry – Selective Collector for Sulfide Ore FlotationProducers of mineral concentrates in the mining sector adopt this thiol as a selective flotation collector, especially for the separation of copper, lead, and nickel sulfide ores. It modifies ore surface chemistry to enhance separation efficiency while minimizing recovery of unwanted minerals. Addition rates reflect ore type, particle size, and local environmental factors, and use aligns with rigorously enforced occupational and environmental standards. Industry compliance standards
Typical usage ratio
Downstream process integration
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In running our plant, the arrival of each fresh batch of 2-Methyl-2-Butanethiol is unmistakable. With its distinct odor and specific handling requirements, this chemistry carves its own space among our family of organosulfur compounds. We produce this thiol in volumes sized for everything from pilot-scale formula development to consistent high-tonnage industrial supply, always aiming for purity levels that meet or exceed the high bars set by specialty applications. The versatility of 2-Methyl-2-Butanethiol keeps it central in our everyday production schedule, and after so many years of manufacture, we’ve learned the importance of precise process control at every step—from raw material verification to airtight storage.
Years spent refining our distillation and purification steps have led to reliable results. Quality depends on real-world factors like cylinder aging, reagent grade, and careful temperature control. Our standard product comes in liquid form, with a colorless to pale yellow tint, and a characteristic powerful sulfurous odor. Customers usually require a purity above 98%. Some ask for tighter impurity specifications, so we've responded with extra analytical steps: more GC runs, closer moisture checks, and added filtration stages. Typical boiling point sits in the mid-90s Celsius, flash point hovers well below room temperature, and careful measures ensure each batch runs within the expected density and refractive index windows. This is not a simple commodity—it demands honest oversight and real technical follow-through.
We see 2-Methyl-2-Butanethiol ordered for a range of end uses: flavor and fragrance manufacturing, solvent and chemical intermediate production, and applications as a warning agent or odorant in fuel gases. Our direct customers span from large flavor houses to smaller specialty laboratories. In flavor and fragrance work, it serves as a building block for pineapple, passionfruit, and savory profiles, adding depth and complexity that cannot be mimicked with substitutes. Safety protocols during bulk blending sessions often drive customer visits to our plant, and we’re clear: the volatility and pungency make this a substance best handled by teams with sulfur compound experience.
Manufacturers like us know that not all thiols—or all suppliers—deliver the same experience. Some less controlled syntheses introduce harsh side-products, clogging up columns and interfering with downstream use. We’ve prioritized building a production flow that reduces byproduct sulfides and ensures batch-to-batch consistency. It takes tight control of feedstock and reaction conditions, followed by solvent washes that catch off-odors and discoloration. Customers who have worked with lower-grade material mention lingering, burnt aromas, off-tones, haze, and shelf-life problems. We invest more time in raw material vetting and plenty of attention to final drum sampling so those problems stay away. Bottles leaving our site reflect hundreds of hours of practice, continuous equipment upgrades, and clear accountability on paper trails.
Lots of people underestimate the day-to-day realities of working with low molecular weight thiols. 2-Methyl-2-Butanethiol behaves as a high-vapor-pressure liquid under ambient conditions, which means that every gasket, valve, and joint needs frequent checking for seepage. In our bay, the tanks sit under air-scrubbing extractors, and all lines drain backward into scrubbers after packaging. Maintenance techs spot-check for pinhole leaks that crop up from corrosive sulfur species. This vigilance matters. One leaky drum can trigger hours of plant downtime and a wave of neighbor complaints. That sort of operational discipline distinguishes real, long-term thiol manufacturers from temporary suppliers.
Conversations with our customers yield similar stories. Labs making flavors on pilot lines notice how tightly our product’s odor matches standardized reference profiles. Minor impurities in competing material disrupt final formulations, requiring additional masking agents in finished blends. Some customers have tried alternative ‘equivalent’ chemicals, only to find incompatibilities or off-odor carryover ruining months of work. The time they save by starting with high-purity batches more than offsets the price differential. In safe-handling training, technicians point out how stability during transfer and storage can reduce workplace complaints and off-spec scrap. This feedback helps us sharpen our process even further.
After years filling both commodity and custom requests, we recognize the design logic behind using this thiol. The unique structure—a branched five-carbon chain attached to a sulfur atom—imparts an odor profile far more impactful, even at low concentrations, than straighter chain analogs like 1-butanethiol or 2-methyl-1-propanethiol. In flavor chemistry, this compound lets formulators create high-aroma-impact products without overloading the mix. Industrial users prefer it over simpler thiols for gas odorization: the scent is easily detected even in diluted form, meeting regulatory mandates for safety while resisting odor fatigue. In the chemical intermediate field, alkylation reactions start reliably, with little side-reaction, partly thanks to the cleaner spec we keep. Each time a client asks if a cheaper or more common thiol will substitute, our team can point to real analysis and side-by-side functional tests—not just literature claims.
Small fluctuations in demand ripple through our plant fast. Bulk storage of 2-Methyl-2-Butanethiol requires sealed systems and a trained warehouse crew. Over years of operation, we tracked the impact of bottleneck delays on customer projects—one late shipment can snarl months of R&D across industries. That’s why we stagger raw material purchasing and schedule seasonal maintenance outside key customer deadlines. Nothing matches the lessons learned watching tons of product move through a loading dock. Documentation, safety checks, and batch traceability keep things honest—the only way to avoid costly recalls or compliance issues down the line. By keeping our operations in-house, we reduce exposure to sudden policy shifts and raw material shortages that often catch brokers and smaller traders by surprise.
Producing 2-Methyl-2-Butanethiol so it performs the same in each batch isn’t easy. We’ve invested in process analytics and automated feedback at crucial steps. This is what minimizes off-spec cuts and reduces reprocessing. Bottling teams know a single outlier in color, odor, or supernatant can mean a full re-run—the costs are real, but so are the reputational stakes. We established a set of internal acceptance samples, drawn straight from production tanks, that we compare each batch against. These standards, developed through hundreds of re-tests and customer returns, reflect what actually gets accepted outside the textbook. No distributor or repackager holds themselves to these criteria, but as manufacturers, we see the customer phone calls when a spec slips.
Handling 2-Methyl-2-Butanethiol takes old-fashioned care and lots of training. Over time, we built a set of best practices: closed-loop transfer, regular cylinder and valve maintenance, early detection protocols for airborne releases, and clear emergency drills. Anyone who spends time in our storage rooms will spot reinforced containment areas, air monitoring badges, and color-coded piping. These aren’t just for show—they’ve prevented real accidents, limited minor skin and fume exposures, and kept the crew healthy. We designed our loading stations so one spill doesn’t impact an entire run—a lesson that came too late for some earlier manufacturers. Close coordination with fire marshals, insurance providers, and environmental regulators helps keep us on the right side of compliance. Customers value these daily routines, trusting us more because they see real-world precautions in place.
It’s common to find suppliers relying purely on certificates and quality audits, but genuine confidence comes from daily hands-on control. We systematically retain tank samples with full chain-of-custody documentation, archived for years. Our practice of recording not just batch numbers, but also operator notes, shift information, and maintenance dates, provides depth that basic traceability systems can’t capture. This level of record-keeping aids forensic troubleshooting if a customer flags an issue, letting us pinpoint at which hour, tank, or reactor a variance occurred. Over the years, these records have resolved disputes, supported insurance claims, and strengthened customer partnerships. Laboratory controls operate in tandem with plant practices—each analytical run gets cross-checked by staff trained in both chemistry and production nuances.
Manufacturing 2-Methyl-2-Butanethiol includes a set of environmental obligations. Volatile organosulfurs like this attract extra regulatory attention, especially regarding emissions and waste byproducts. Our scrubber systems and solvent recovery units have seen plenty of upgrades, motivated by lessons learned during audits and in response to community feedback. We regularly monitor effluent and air discharge, adjusting processes promptly. Recycling spent wash solvents and reengineering some synthesis steps to minimize sulfur waste have paid off, both environmentally and economically. Staff training now covers not just regulatory requirements, but practical pollution prevention strategies learned from decades of sulfur chemistry. These investments earn trust, even when they carry steep upfront costs or add complexity to our workflows.
The flavor and fragrance sector increasingly seeks precision and consistency at lower thresholds, pressing us to focus on incremental improvements year after year. With shifting global standards and periodic regulatory updates on permitted levels in foods, we regularly update product documentation, run new analytical studies, and tune our lot release protocols. In gas odorization, stricter safety codes and changes in detection technologies have nudged us to offer customized packaging, shipment configurations, and compatibility support for a widening range of customer systems. The ability to offer not just “spec-compliant” but truly issue-free 2-Methyl-2-Butanethiol comes from these years of adaptation, direct customer conversations, and a willingness to invest in long-term relationships over transactional sales.
Operating as a direct producer brings both risks and rewards. Equipment aging and supply disruptions trigger quick, visible impacts. When the catalysts need swapping or a condenser fails, plant managers make the call—sometimes halting production for days. Each hiccup is a lesson. External market fluctuations in feedstock pricing also hit harder than you’d think. Contracting for enough raw alcohol and sulfur source ahead of time, storing for buffer capacity, and building redundancy into the plant layout aren’t optional after the first bout of shortage. Customers come to appreciate this level of preparedness, recognizing that direct manufacturers can absorb shocks and recover faster than less connected suppliers.
Every batch provides new insights. After a decade, our process map keeps evolving. Early on, we relied on textbook synthesis and bought generic hardware. Today, we machine-make custom parts, automate part of the monitoring, and collect trend data on product aging over storage periods. Customer feedback loops connect with our technical teams to refine labeling, shipment tracking, and usage documentation. If there’s a recurring issue with processing residues in customer applications, we’ll re-examine the reaction sequence at the plant. We also exchange notes with peer manufacturers on regional safety code changes and new odor detection standards—no one pretends to have all the answers, but by staying in the flow, we stay prepared.
Customers upgrading from older or non-specialist material immediately pick up on differences. Formulators note how finished products refine down to required thresholds, without workaround measures for unwanted notes. In facilities handling larger volumes, managers point out gains in overall uptime, simplified air filtration, and faster turnaround when spills occur. Our technical support team often walks new users through best handling practices—shared lessons help flatten the learning curve. For those switching from grades with broader impurity windows, process yields climb, and off-batch write-offs drop. Regular user feedback cycles back into further production optimization, driving a culture of ongoing improvement.
As a manufacturer, we bring more than reshipped stock or spec-sheet reassurances. Ownership of the entire synthesis-to-delivery process gives the freedom—and also the responsibility—to innovate, respond, and collaborate with customers. There’s pride in the team’s technical expertise, the reliability of a decade-old process line, and the direct accountability that cannot be sourced by middlemen. Years at the plant crystallize into each bottle, and clients spot the difference, not only in spec sheets but in the real-world behavior of their end products. Our story with 2-Methyl-2-Butanethiol is one of learning, expertise, and daily commitment to the craft of sulfur chemistry.