| HS Code | 121628 |
| Cas Number | 99-76-3 |
| Molecular Formula | C8H8O3 |
| Molar Mass | 152.15 g/mol |
| Iupac Name | Methyl 4-hydroxybenzoate |
| Appearance | White crystalline powder |
| Melting Point | 125-128°C |
| Solubility In Water | 0.25 g/100 mL (at 25°C) |
| Boiling Point | 270°C (decomposes) |
| Pka | 8.47 |
| Odor | Faint, characteristic |
| Common Uses | Preservative in cosmetics, pharmaceuticals, and foods |
As an accredited Methylparaben factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 100g amber glass bottle labeled "Methylparaben, ≥99%," features hazard symbols, batch number, and tightly sealed screw cap for safety. |
| Shipping | Methylparaben should be shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. It must comply with local, national, and international transport regulations. Ensure proper labeling, provide a Material Safety Data Sheet (MSDS), and handle with care to prevent spills or exposure during transportation. Store at room temperature. |
| Storage | Methylparaben should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. It should be kept at room temperature and protected from moisture and incompatible materials such as strong oxidizing agents. Ensure proper labeling and store separately from food and drink to prevent contamination. |
Competitive Methylparaben prices that fit your budget—flexible terms and customized quotes for every order.
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As a chemical manufacturer working directly with methylparaben over the years, we’ve gained a hands-on understanding of its behavior, reliability, and role across industries. Methylparaben finds its way into many sectors, but its most recognized work happens in personal care, pharmaceuticals, and food processing. The product we manufacture is of pharmaceutical grade, refined to meet stringent purity demands. The specification for the product sets the methylparaben assay at 99% minimum, with a melting point range usually found between 125 and 128°C. We source our raw materials from vetted suppliers and run regular in-process and finished-goods testing to ensure batch consistency.
Having seen countless preservative technologies come and go, methylparaben holds its spot for several good reasons. As a p-hydroxybenzoic acid methyl ester, it has earned regulatory approvals in many key markets worldwide. It delivers broad-spectrum antimicrobial protection against bacteria and molds. Such performance allows formulators to design products with longer, safer shelf lives, which is critical for both consumer products and sensitive medications.
This compound blends reliably into creams, lotions, ointments, gels, and many liquid preparations. Our quality control teams have found methylparaben’s solubility in alcohol and glycols helps with uniform delivery in a range of systems. The product resists hydrolysis through normal pH ranges (often between 4 and 8), and that stability leads product developers to prefer it over natural alternatives where shelf life is a key concern.
Our batches undergo strict analytical tests. Purity levels exceed 99%, moisture content is controlled to prevent clumping and ensure free-flowing product, and color is checked to keep powders pure white without off-odors. We keep the heavy metal content below pharmacopeial limits, and microbial load far beneath the thresholds established for direct or indirect application in personal care or pharmaceuticals. Typical packaging consists of durable PE-lined drums or cartons that help prevent moisture uptake during storage, helping downstream users minimize risk of degradation.
Over years of client feedback and manufacturing experience, we’ve seen that methylparaben’s relative short alkyl chain delivers high water solubility compared to other common parabens, such as propylparaben and butylparaben. Propylparaben carries a longer carbon chain, so it tends to offer broader antifungal protection, whereas methylparaben excels at covering most bacterial and many mold threats. Our clients usually select methylparaben when higher solubility is a priority, especially in water-rich applications, or where regulatory agencies set specific limits for total paraben concentrations.
Methylparaben tends to have a less pronounced impact on viscosity and overall product feel than its longer-chain relatives. So, formulators can easily add it to emulsions and clear products without risking haze or phase separation, a frequent concern with some other preservatives. In our process, we maintain strict controls on particle size, encouraging complete dissolution so final goods pass clarity and stability benchmarks.
Discussions about parabens attract strong opinions. As a manufacturer, we navigate not only evolving regulatory requirements but also shifts in consumer sentiment. Concerns about methylparaben’s safety mostly stem from early cell studies, but let’s keep facts in mind: health authorities, including the US FDA and the European Commission, allow use within prescribed bounds based on decades of safety review. Any ingredient used in excess, including vitamin C, can become problematic, but in our real-world manufacturing, methylparaben properties keep it safe and dependable within published use limits.
Some customers request non-paraben formulas, often for marketing purposes, but many established customers return to methylparaben after facing real challenges with alternatives. Technical teams often report inconsistent product shelf life or higher costs with so-called “paraben-free” systems. Through every round of testing, our methylparaben passes the same purity and microbiological checks required for regulated pharmaceuticals. The material won’t destabilize emulsions, and it won’t shout its presence through color, taste, or odor in the finished good.
Personal care formulators reach for methylparaben because it prevents bacterial and mold growth, helping guarantee products will stay safe from manufacture to the last customer use. With our steady batch quality, cosmetic housings achieve consistent results for everything from facial creams and shampoos to pressed powders and wet wipes. Methylparaben, at the concentrations allowed for skin contact, rarely triggers irritation or allergy in patch-testing. Thousands of stability and challenge tests confirm it resists breakdown from light, air, and typical levels of heat encountered during storage and shipping.
We make sure our methylparaben meets guidelines published in compendia such as USP, EP, and JP. Each lot comes with a complete Certificate of Analysis based on our laboratory’s instrumentation, supporting our clients’ traceability and quality control processes. By focusing on narrow particle size distribution and low moisture, we help prevent caking or separation issues in powder-based personal care formats.
Ready-to-use suspensions, syrups, and topical medications rely on careful preservation. Our methylparaben keeps oral medications and topical gels free from microbial spoilage far longer than many so-called “natural” preservatives. We have confirmed through in-house challenge tests that methylparaben at correct dosages maintains activity throughout shelf life, even in complex multi-phase formulations. This lets pharmaceutical scientists simplify formulations without requiring multiple preservatives or surging costs.
Our production lines are outfitted with filtration and material handling tailored for pharma-grade requirements. Blending operations take place in clean environments, preventing cross-contamination, and each batch is traced back to raw material source and production date. Because pharmaceutical clients often demand both methylparaben and its sodium salt form for varying solubility, our team can adjust manufacturing schedules and packaging to ensure clients receive product fresh and within guaranteed shelf life.
Several markets permit the use of methylparaben in food contact materials or as a direct additive in select food items. The food grade we offer comes from validated sources and adheres to specifications limiting potential allergens and impurities. Bakery fillings, gelled desserts, and sauces all depend on protection against yeasts and molds. Customers relying on our batches rarely encounter spoilage within stated shelf life, and regular spot checks in our quality labs provide further assurance.
On-site, our teams routinely check allergen status and traceability, using dedicated lines for sensitive applications. By maintaining precise levels of methylparaben within established safety limits, we help processors avoid off-taste or textural changes, so food items retain original characteristics for the consumer.
Like every chemical manufacturer grappling with global supply pressures, we track raw material origin and processing inputs. Methylparaben is synthesized from salicylic acid and methanol, both of which have variable availability due to changes in the global markets. Over time, we’ve changed sourcing partners to improve security and reduce the risk of interruption for downstream users. Some buyers ask about “natural origin” claims. Synthetically produced methylparaben remains the most reliable, providing both purity and price stability. Where clients must minimize environmental impact, we work with them to optimize order sizes, packaging formats, and transport efficiency.
Ongoing waste stewardship keeps large-volume methylparaben manufacturing from harming local environments. We invest in solvent recovery and water treatment on-site, taking feedback from partner firms and regulators to minimize chemical releases or off-spec waste. Such actions not only meet regulatory requirements but pave the way for long-term global competitiveness in an increasingly scrutinized industry.
It comes as a white, crystalline powder with very mild, almost unnoticeable odor—a positive trait for formulators needing clean base materials. Our technicians carefully dose and dissolve methylparaben in heated aqueous solutions or alcohol, noting that this eases incorporation with both hydrophilic and many hydrophobic components. By controlling addition temperatures and mixing speeds, our line operators avoid clumping and achieve rapid integration. Over time, we’ve developed stepwise protocols and operator training that reduce errors and minimize waste in blending teams.
Lab work involves confirming the identity and purity of each batch through HPLC and TLC methods, cross-checking against pharmacopeial standards. Each production record logs analytical details, packaging batch codes, and internal quality sign-offs. Our through-line for both small and large-scale production rests on predictable batch quality—no surprises for downstream formulators, QA teams, or end users.
Methylparaben’s chemical stability means shelf life of up to five years if properly stored in sealed packaging, away from excessive moisture and direct sun. Any contact with humidity risks forming hard lumps or lowering purity, so our filling rooms keep controlled humidity and package every lot in moisture-proof bags inside rigid drums. Where end users prefer smaller pack sizes for frequent batch turn or bench-scale work, we provide cleanroom-packed, tamper-evident sealed options. This flexibility supports both large continuous manufacturers and artisanal formulators working on smaller scales.
Increased global enforcement and consumer scrutiny push us to improve, not just meet, each current standard. We track regulatory changes in each country where our methylparaben enters the market. Over the past decade, some countries restricted total paraben use in certain applications, often out of an abundance of caution rather than new scientific evidence. Our technical team monitors global and local guidance to ensure our product complies with both evolving and established standards.
Continuous staff training and batch-by-batch documentation mean each container of methylparaben can be traced back to its point of origin, production line, and even specific shift crew. This empowers our clients to respond quickly to audit or regulatory requests and fosters confidence among new product developers. On request, we regularly supply information beyond the minimum needed: residual solvent analysis, degradation studies, and certificates for country-specific compliance. This strengthens relationships with clients who share our focus on transparency and results.
Industry-wide, pressure to eliminate synthetic preservatives continues. Methylparaben offers a real-world balance between cost, effectiveness, and established safety. Still, to future-proof manufacturing, we invest in evaluating alternatives, keep open channels with additive suppliers, and maintain in-house research on synergistic blends using methylparaben alongside lower-dose alternatives. Companies pushing for “clean label” trends sometimes overpromise results from novel bio-based preservatives. We study these findings closely and share practical experience with our clients, noting that any switch in preservative systems requires real stability and safety testing—not just a change in the ingredient list.
Supply chain issues arise when raw material sources dry up or prices swing unpredictably. Long-term planning, local warehousing, and close coordination with approved transport and handling partners help us sidestep many shortages affecting global competitors. By sharing seasonal and geopolitical trends with purchasing and inventory managers, we allow clients to buy with greater predictability, supporting planning for launches and scale-ups with lower risk.
Open dialogue with manufacturers, regulators, and customers gives us a unique perspective on the practical applications and limits of methylparaben in finished goods. We encourage our clients to communicate problems in blending, application, or downstream stability promptly. Past success stories where early collaboration solved shelf life or texture problems confirm that two-way feedback translates to better outcomes for everyone.
Modern manufacturing demands not only product quality but also adaptation to customer-specific regulatory regimes, market positioning, and operational pressures. Our experience supports technical and purchasing teams as they navigate certification requirements, document control, and disclosure needs in finished product portfolios. We provide technical dossiers, impurity profiles, and guidance on handling changes in specification, helping companies switch seamlessly between vendors or recalibrate recipes for changing requirements.
Markets may shift toward “natural” preservatives, but few alternatives rival methylparaben’s safety record and ease of use across multiple product types. Year after year, manufacturers return to this ingredient for stability, value, and regulatory clarity. By providing batches with consistent purity, clean sensory profile, and documented quality, we maintain trust with both multinational companies and niche product developers. Methylparaben stands as both an ingredient and a symbol of pragmatic, science-based decision making in modern consumer goods.
Manufacturing methylparaben means accepting both legacy responsibility and a forward-looking role. Global demand, innovation in product formulation, and evolving perspectives on synthetic additives all shape our daily operations. We invest in staff, equipment, and supplier relationships to keep delivering product that meets high expectations. The results speak to the power of experience-driven chemical manufacturing, where quality reflects each choice made from starting materials up through final packaging. Methylparaben isn’t just a preservative; for many of our clients, it’s the difference between a product reaching the shelf or failing quietly in storage. Our focus remains on supporting their goals with integrity and science at every stage.
