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HS Code |
320603 |
| Name | 2-Methylallyl Alcohol |
| Synonyms | Methallyl alcohol; 3-Buten-2-ol |
| Molecular Formula | C4H8O |
| Molecular Weight | 72.11 g/mol |
| Cas Number | 513-42-8 |
| Appearance | Colorless liquid |
| Boiling Point | 88-90 °C |
| Melting Point | -115 °C |
| Density | 0.857 g/mL at 25 °C |
| Flash Point | 18 °C (closed cup) |
| Refractive Index | 1.420-1.423 at 20 °C |
| Solubility In Water | Miscible |
| Chemical Structure | CH2=C(CH3)CH2OH |
As an accredited 2-Methylallyl Alcohol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-Methylallyl Alcohol, 500 mL, is packaged in an amber glass bottle with a secure screw cap and detailed hazard labeling. |
| Shipping | 2-Methylallyl Alcohol should be shipped in tightly sealed containers, protected from light and moisture. It must be labeled as a flammable liquid and handled according to local hazardous material regulations. During transport, maintain cool, well-ventilated conditions, and prevent exposure to heat, sparks, or open flames to ensure safety and stability. |
| Storage | 2-Methylallyl alcohol should be stored in a cool, dry, and well-ventilated area, away from heat sources, open flames, and direct sunlight. Keep the container tightly closed and protect it from moisture and incompatible substances such as strong oxidizers and acids. Use containers made of compatible materials, and label them clearly. Ensure proper grounding to prevent static discharge. |
Applications of 2-Methylallyl Alcohol in Industrial ManufacturingAs a dedicated chemical raw material manufacturer, we supply 2-Methylallyl Alcohol with consistent quality for specialized industrial applications. The following sectors reflect its genuine, widespread adoption in manufacturing workflows, highlighting precise requirements for compliance, formulation, production integration, and end-use products. 1. Agrochemical Synthesis IntermediatesMajor agrochemical producers utilize 2-Methylallyl Alcohol as a precursor for selective herbicides, insecticides, and growth regulators. Its structure enables high-yield etherification and esterification, producing active molecular fragments for formulated crop-protection agents. Manufacturers adjust input ratios to match reaction stoichiometry and purity control, ensuring compliance with international pesticide standards and restricting by-product formation during scale-up batch synthesis. Industry compliance standards
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2. Pharmaceutical Intermediate ManufacturingProducers of pharmaceutical actives use 2-Methylallyl Alcohol as a chain-extension reagent and functional group precursor in select alcohol and ether-based synthesis routes. Its high reactivity enables controlled modification of heterocyclic drug molecules. Strict GMP controls govern in-process monitoring, with the input amount adjusted to ensure complete conversion and facilitate downstream purification for APIs and key bulk intermediates. Industry compliance standards
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3. Fragrance & Flavors Synthetic IngredientsAroma compound formulators adopt 2-Methylallyl Alcohol for synthesizing fruity, floral, and green-note ingredients, benefiting from its reactive unsaturated alcohol group. It serves as a foundational building block for etherification and acetalization, generating fragrance and flavor molecules with targeted volatility and organoleptic profiles. Regulatory limits on use and reaction purity are stringent, especially in edible flavor production. Industry compliance standards
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4. Polymer and Resin Modifier SynthesisResin formulators in coatings and adhesives incorporate 2-Methylallyl Alcohol to introduce pendant unsaturation and enhance secondary cure or crosslink density in specialty polymer matrices. It enters the process during copolymerization or as a chain transfer agent in radical, condensation, or addition mechanisms, impacting final mechanical and thermal properties. Strict compliance with environmental and workplace safety requirements is mandatory, particularly in large-scale formulations for regulated applications. Industry compliance standards
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5. Specialty Solvent and Extraction Aid ProductionSolvent formulation plants leverage 2-Methylallyl Alcohol’s balanced polarity and boiling point to manufacture specialty extraction aids and cosolvents for use in niche analytical, pharmaceutical, and agrochemical sample preparation. These custom solvents must pass extensive purity, toxicity, and azeotrope formation tests per user demand and are often fine-tuned for process-critical selectivity in chromatographic separation and reactive extraction tasks. Industry compliance standards
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In our plant, 2-Methylallyl Alcohol stands out for its clear, sharp odor and moderate volatility. The chemical formula C4H8O shapes much of its behavior in daily processes. On our production lines, you notice right away how its molecular structure — with both a primary alcohol group and a methyl-substituted alkene — brings a different kind of reactivity from simpler allyl alcohols. This compound’s melting point sits well below room temperature and its boiling point is manageable for distillation setups.
Batch after batch, we see it demonstrating more stability against oxidation compared to basic allyl alcohol, due to that extra methyl group. From hands-on work, the difference means less propensity for runaway polymerization, which has saved us downtime and headaches. Distillation yields stay high; purity surpasses 99% in most runs, confirmed by our in-plant GC analysis with every lot. Moisture content stays low, reducing side product formation during customer usage.
We produce 2-Methylallyl Alcohol to a clear liquid appearance with minimal haze. It runs at a density close to 0.85 g/cm3 at 20°C in our final vessels. The refractive index at 20°C reads in the 1.42–1.43 range, which is helpful for quick identity checks in the QC lab. We monitor the acid value and peroxides since alcohols in this family can drift overtime — regular sampling keeps unwanted by-products in check.
Our plant has worked out optimal conditions that keep impurities, especially methylpropanal and higher boiling oligomers, below 0.1%. We use vacuum stripping and precise temperature controls. This practice has cut impurity complaints and frustrated calls from formulators, where consistency counts. Closed reactors help us control exposure for the safety of our operators as well.
Our main customers span fragrance synthesis, organic intermediates, and specialized resin manufacturing. In fragrances, perfumers say 2-Methylallyl Alcohol helps build green, slightly pungent top notes that aren’t possible with n-propanol or standard allyl alcohol. During scale-up for esters and ethers, the compound reacts readily at moderate pressure. Compared to n-propanol, the methylallyl backbone changes the reactivity profile of acetalizations and etherifications.
In resin manufacture, especially for acrylic and specialized polyurethane systems, formulators rely on its unique combination of unsaturation and alcohol functionality. This allows them to integrate cross-linkable sites or introduce branching without increasing system viscosity too much. In our technical support calls, customers have mentioned improved cure rates and flexibility in final films—credit goes to the methyl-substituted allyl group.
On the lab floor, our chemists note that 2-Methylallyl Alcohol shows more selective reactivity towards soft nucleophiles than regular allyl alcohol. This specificity can reduce by-product clean-up steps which saves energy and solvent in downstream processes—no small savings for any midsize or specialty chemicals plant.
Through practical use, the differences between 2-Methylallyl Alcohol and similar compounds often boil down to selectivity, volatility, and cost. For instance, standard allyl alcohol — which we also produce — offers similar reactivity toward epoxidation, but the methyl group in our product lowers the material's vapor pressure, which changes how it behaves in open reactors and storage tanks. Our operators notice less product loss and reduced need for vapor recovery equipment.
Compared to iso-butanol, 2-Methylallyl Alcohol resists oxidation longer during storage. This has cut down on expired or off-spec product returns in our records. On synthetic routes, the unsaturation offers a point of engagement for fine chemicals and pharmaceuticals that saturated alcohols cannot provide. Over the years, we’ve seen R&D groups from both crop science and functional additive producers visit our plant specifically to discuss routes where standard alcohols fall short for them.
Any operator in a chemical plant knows that working with unsaturated alcohols needs discipline. We have learned over time not to let drums sit open; oxygen exposure leads to slow formation of peroxides, even if the rate is less than that of simple allyl alcohol. Packaging under inert gas has become standard — a simple safeguard that keeps product in spec from tank to customer bench. On hotter days, vented closure systems have helped prevent bulging drums and ensure worker safety on our loading decks.
Shipping 2-Methylallyl Alcohol, compared to handling n-butanol or 2-ethylhexanol, means tighter containment and more frequent QA checks. Any minor spill is easy to smell, and our standard cleanup involves both absorbent pads and aggressive ventilation. We find that consistent housekeeping practices, reinforced through weekly training, slash incident rates. The lower flash point than heavier alcohols calls for careful separation from oxidation catalysts and brightly labelled drums — old habits from handling standard alcohols never quite prepare new staff for how fast methylallylic vapors can travel.
Experience in the plant teaches that quality doesn’t come from process flow diagrams. Reliable product stems from sticklers in the operator crew demanding routine sampler cleaning, keen batch paperwork, and testing each lot before shipment. Over our years manufacturing 2-Methylallyl Alcohol, we have dialed in agitation speeds and condenser sizing to keep overhead losses minimal. Our shift leaders run GC on each batch, not as a regulatory box-check but because customers have caught fractions of a percent off-spec impurity in surface coatings that end up as warranty issues down the chain.
We keep a running log of customer feedback and batch deviations — these direct our process improvements more than remote corporate offices or market reports ever could. After a customer in the flavor intermediates sector traced a batch of off-odor product to high peroxide content, we added additional in-line peroxide checks two years ago. No repeats since.
Producing 2-Methylallyl Alcohol brings the usual environmental responsibilities. We minimize waste streams by sending vent gases through activated carbon beds and recycle condenser water wherever practical. The alcohol’s moderate water solubility means we’ve had to upgrade our wastewater collection to catch every liter and prevent discharge violations.
Our process engineers tweaked reactor charging procedure last year to cut start-up purges and reduce off-spec first runs. We also worked with our local solvent recycler to take cleaning rinses, so nothing ends up in landfill. Having a product with lower volatility and manageable toxicity makes life easier for effluent treatment, but the presence of unsaturated bonds has prompted us to double-check corrosion rates on transfer lines every year. Actual savings and waste reduction beat any “sustainability” brochure, though we keep paperwork up to date for audits.
Working directly with 2-Methylallyl Alcohol offers a solid reality check. Operators notice skin and eye sensitivity, especially if gloves or goggles go missing. Even at low ppm levels, the sharp, sweetish pungency of the vapors means ventilation systems can’t slack off for a single shift. We’ve replaced older, open weigh-out tanks with closed, vented units to cut vapor exposure. Regular safety meetings reinforce proper glove and apron use — not after accidents, but as part of shift opening rituals.
Feedback from downstream users, especially those working in spray resins and flavors, reflects similar challenges. Gloves and face protection aren’t optional; a small amount on the skin tends to cause irritation more rapidly than lower alcohols. We share directions and recommendations openly with buyers, building on our own real-world experience rather than borrowed regulatory text. It matters more to us that our products foster safe, productive environments on both sides of the loading dock.
From our own R&D bench, it stands out that 2-Methylallyl Alcohol’s double bond and primary alcohol group create a useful crossroad for synthetic work. We see steady demand for alkylation, etherification, and selective oxidation reactions. On the factory scale, our team has observed its readiness to form nitrites with moderate yields, as well as its reactivity toward halogenation under light-catalysis conditions.
Formulating resins or fragrance chemicals, you notice how this alcohol introduces manageable hydrophilicity and a distinct branching site. Our process trials have shown it integrates well in co-polymerizations where pure allyl alcohols make the backbone too reactive or too linear for final product flexibility. Our customers’ feedback on batch-to-batch consistency has driven us to tighten process tolerances more than market averages—from our vantage, repeatable performance in the field trumps volume.
Across seasons and storage conditions, 2-Methylallyl Alcohol’s shelf life holds strong as long as oxygen and moisture stay away. We’ve seen two-year-old retained samples maintain color and odor if sealed under nitrogen. Open drums start to turn, forming aldehydes and lingering acidity, within weeks. This taught us that storage practices must match chemical properties, not just whatever warehouse space is free. Labeling, rotating stocks, and keeping drums tightly closed have become standard practice for us, handed down from one shift lead to the next.
We have learned to keep stocks indoors during hot summer stretches as heat accelerates product aging even before peroxides show up. Building a culture of routine inspection and careful storage isn’t an option. Over time, these habits keep both us and our customers out of trouble.
As direct manufacturers, our plant manages regulatory reporting and compliance across several jurisdictions. 2-Methylallyl Alcohol’s hazard statements and labeling requirements differ across destinations. We keep direct records and Material Safety Data Sheets current with each shipment, plus run in-house training so all staff and drivers know exactly what they’re working with. Internal audits catch outdated labels before they create trouble during external inspections.
Quality assurance here means placing analytical equipment close to the production line and empowering operators to keep process and paperwork in alignment. Our weekly reviews catch trends before product ever reaches a truck, which has reduced customer complaints during the past year. Plant-level discipline and continual operator training do more for consistent quality than remote data gathering or theoretical best practices.
Small process hiccups can throw off 2-Methylallyl Alcohol’s profile. Unstable temperature during distillation runs dulls that signature sharp odor and can leave traces of high-boiling byproducts. We learned this after a run with a failed temperature sensor resulted in four drums flagged by our QA lab. Fixing this required not just sensor replacement but new cross-checks between crews and supervisors. One point of real-world learning: fixing people’s habits matters just as much as fixing hardware.
Another recurring challenge involves winter production. The compound’s moderate melting point needs attention in heated transfer lines and insulated drums. We recall a batch that almost solidified in the filling area during a cold snap, stalling loading for hours until we developed standard cold-season protocols. These growing pains taught us to put redundancy and practical backup plans at every production stage, not only in finished product warehousing but starting from raw material drums all the way to packed tankers.
Improvement often comes from the field, not the lab. For example, a resin customer reported minor foaming and reactivity slumps at certain tank-fill rates that didn’t show up in our small-scale tests. Working directly with their engineers, we trialed different agitation and slow-add procedures until results met their standards and ours. It’s these conversations and constant feedback loops that keep our product useful and dependable in demanding applications.
Every deviation logged at our dock becomes a chance to learn. Drums rejected for off-color or faint haze become topics of safety meetings, and notes from web or hotline calls feed back into the next production cycle. Customers regularly return for repeat orders and technical consults. We find that keeping the doors open for honest discussion does more for product quality and trust than years of marketing claims.
2-Methylallyl Alcohol offers versatility that matches both older and emerging industrial needs. We’ve seen demand swing based on the direction of customer R&D, new fragrance projects, and regulatory shifts in solvents or reactive intermediates. Through it all, practical insight — from how to seal a drum on a humid morning to tweaking evacuation on a reactor condenser, or refining a test for micro-impurities — makes the product fit a wide range of applications.
This knowledge never stops growing. It comes from the sum of years spent on production floors and in QC labs, working with day-in and day-out process realities, rather than abstract market surveys or remote research. From troubleshooting a sticky tank agitator to building long-term customer support, our manufacturing team brings depth and reliability to every lot we load and ship out the door.