Methylparaben
- Product Name: Methylparaben
- Chemical Name (IUPAC): methyl 4-hydroxybenzoate
- CAS No.: 99-76-3
- Chemical Formula: C8H8O3
- Form/Physical State: Solid
- Factroy Site: Wusu, Tacheng Prefecture, Xinjiang, China
- Price Inquiry: sales7@bouling-chem.com
- Manufacturer: Bouling Chemical Co., Limited
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- Methylparaben is an ester-type preservative in crystalline powder form, commonly used in the pharmaceuticals and personal care industry, where antimicrobial efficacy and product stability is required.
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HS Code |
236811 |
| Chemical Name | Methylparaben |
| Iupac Name | Methyl 4-hydroxybenzoate |
| Molecular Formula | C8H8O3 |
| Molar Mass | 152.15 g/mol |
| Cas Number | 99-76-3 |
| Appearance | White crystalline powder |
| Melting Point | 125-128°C |
| Boiling Point | 270°C |
| Solubility In Water | 0.25 g/100 mL (25°C) |
| Pka | 8.47 |
| Density | 1.188 g/cm³ |
| Common Uses | Preservative in cosmetics, food, and pharmaceuticals |
As an accredited Methylparaben factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 250g of Methylparaben is supplied in a sealed, opaque HDPE bottle with a tamper-evident screw cap and clear labeling. |
| Container Loading (20′ FCL) | Container loading for Methylparaben (20′ FCL): Typically 10–12 metric tons packed in 25 kg fiber drums or cartons, palletized. |
| Shipping | Methylparaben is typically shipped in tightly sealed containers to prevent contamination and moisture absorption. It should be stored and transported in a cool, dry, and well-ventilated area, away from incompatible materials such as strong oxidizers. The packaging must comply with regulatory standards to ensure safe handling during transit. Not classified as hazardous for transport. |
| Storage | Methylparaben should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. It should be protected from light and moisture to maintain stability and prevent degradation. Store at room temperature, and ensure the storage area is clearly labeled to avoid confusion or accidental misuse. |
| Shelf Life | Methylparaben typically has a shelf life of 3–5 years when stored in a cool, dry place in tightly sealed containers. |
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Purity 99%: Methylparaben Purity 99% is used in pharmaceutical formulations, where it effectively inhibits microbial growth and extends product shelf life. Melting Point 125-128°C: Methylparaben Melting Point 125-128°C is used in cosmetic creams, where it enables stable formulation and maintains preservative efficacy at elevated storage temperatures. Molecular Weight 152.15 g/mol: Methylparaben Molecular Weight 152.15 g/mol is used in topical ointments, where it provides reliable antimicrobial action without causing formulation instability. Particle Size <50 µm: Methylparaben Particle Size <50 µm is used in powder-based personal care products, where it ensures uniform distribution and consistent preservative performance. Stability Temperature up to 80°C: Methylparaben Stability Temperature up to 80°C is used in aqueous solutions, where it maintains antimicrobial effectiveness during manufacturing and prolonged storage. Water Solubility 0.25 g/100 mL at 25°C: Methylparaben Water Solubility 0.25 g/100 mL at 25°C is used in liquid shampoos, where it disperses efficiently and consistently inhibits microbial contamination. USP Grade: Methylparaben USP Grade is used in injectables, where it ensures compliance with pharmacopeial standards and guarantees product safety. |
Competitive Methylparaben prices that fit your budget—flexible terms and customized quotes for every order.
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- Methylparaben is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales7@bouling-chem.com.
Methylparaben: Product Overview and Our Insights as a Chemical Manufacturer
Understanding Methylparaben and Its Industrial Role
Methylparaben stands out as one of the most widely used preservatives in personal care, pharmaceutical, and food applications. As a direct manufacturer with years of hands-on process experience, we’ve witnessed how demands for reliable preservation continue to rise. This compound brings value not just through its antimicrobial properties, but in the way it preserves product quality, safeguards consumer health, and sustains shelf life. Our facility produces synthetic methylparaben, focusing on purity and batch consistency. Throughout each campaign, we track input levels for both raw materials and energy, ensuring that every kilogram meets repeatable, high-grade results.
Technical Specifications and Production Standards
We supply methylparaben as a white crystalline powder, with very low moisture content and high chemical purity—regularly above 99.5%. Every lot undergoes robust quality checks: identification by FTIR, melting point, related substance analysis by HPLC, and residual solvent profiling. Real-world concerns about impurities led us to upgrade our filtration and drying systems, eliminating off-color product and reducing typical rejections. We make our product available in standard packaging sizes, catering to bulk processors and custom packagers alike. Our own specification sheets detail physical and chemical parameters such as loss on drying, acid value, assay content, and particle fineness. Manufacturing directly at our site allows for prompt adjustment to customer feedback regarding consistency, and over the years, customer audits have repeatedly confirmed our focus on cleanliness and traceability.
Applications: Real Usage and Industry Experience
Pharmaceutical companies purchase our methylparaben to stabilize both topical and oral products. Many brands in the cosmetic industry rely on it for creams, lotions, and make-up formulations, citing not only the strong preservation effect but also the low risk of skin irritation at relevant doses. Working closely with food processors, we’ve seen methylparaben applied in baked goods, beverages, and fillings where microbial spoilage presents a real risk. Some formulators prefer this paraben due to its neutral odor and taste, which means it doesn’t compromise the sensory quality of the finished product. Our team often fields questions from regulatory departments and R&D about compliance with compendial standards like USP, EP, or JP, and our product meets strict requirements for pharmaceutical and food safety.
Why Consistency Matters
Manufacturing industries—cosmetics, pharma, and food—face growing regulatory scrutiny around preservative content. Variations in purity or trace contaminants can halt production or force expensive recalls. As a chemical manufacturer, we respond to these stakes by designing better batch tracking and by keeping every lot identical in specification and performance. Incidents in the industry, where substitutions or low-grade preservatives caused instability, highlight the importance of getting methylparaben from a controlled, monitored source. Internal data show how formulation failures in downstream products often trace back to inconsistent input—issues we address by managing in-process controls and continuous fermentation upgrades at our factory.
Comparing Methylparaben With Other Parabens and Preservative Options
The market includes a handful of paraben alternatives: ethylparaben, propylparaben, and butylparaben, each with advantages and disadvantages. Methylparaben displays a lower molecular weight and slightly higher water solubility compared to other parabens, making it attractive for aqueous and semi-aqueous formulations. This facilitates easy blending without the need for heavy surfactants or emulsifiers. We’ve tracked stability studies in customer formulations—results indicate that methylparaben on its own prevents bacterial and fungal growth effectively, though mixing with propylparaben or sorbic acid can extend spectrum.
From a safety perspective, methylparaben demonstrates the lowest skin sensitization risk among common parabens, according to published dermatological studies and customer feedback. This characteristic is especially crucial for our partners creating products for direct skin application or usage near mucous membranes. Certain regulatory rules limit maximum levels; still, methylparaben’s potency allows for effective action at concentrations well below regulatory ceilings.
Real Manufacturing Challenges and Solutions
Producing methylparaben isn’t just about meeting specifications on paper. Raw materials change from year to year. Managing process variables like reactor temperature, solvent choice, and reaction time means that well-trained operators can spot and address deviations quickly. Over several years, we’ve dealt with issues like batch-to-batch color fluctuations and trace impurity spikes—corrected by upgrading distillation columns and incorporating real-time monitors in our analytical lab.
Storage and handling present another set of challenges. Methylparaben picks up moisture from the air, so warehouses stay dry and containers get sealed tightly upon filling. We have learned that neglect in this area leads to clumpy, hard-to-process powder or, worse, the beginnings of hydrolysis which reduce active preservation capacity. Every operator learns to handle product with gloves and keep containers closed except during loading.
Regulatory Trends: Transparency and Compliance
Monitoring regulations forms a big part of our production planning. Several national authorities have reviewed paraben safety in light of public concern over hormone interaction and cumulative exposure. Our team stays updated through participation in professional groups and industry workshops. Safety data from organizations such as the European Commission’s Scientific Committee on Consumer Safety and the US FDA continue to support the use of methylparaben within prescribed limits. This transparency strengthens trust across our customers, who demand data on metals content, residual solvents, and allergen status each year.
Documentation is not just a paper chase here; auditors often arrive without warning, asking for everything from material traceability to waste management flow. We handle batch records with care, and our quality assurance staff invests time training for recall drills and corrective action plans.
Environmental Responsibility in Manufacturing
Modern production raises concerns around emissions, water use, and waste. We have invested in closed-loop water recycling and have cut down the volume of solvents released into the environment. Internally, teams brainstorm alternatives to traditional solvent systems to reduce energy usage during crystallization and drying. Recycling drums and drums used to ship methylparaben helps us minimize disposal costs and environmental impact. Feedback from regulators during periodic site inspections pushes us to rethink process steps and reduce resource consumption further each year.
Adaptation to Market Changes and Customer Needs
Not every customer formulates the same way. Some request micronized methylparaben to disperse better in fine cosmetic powders, so we run custom milling campaigns. Others need special certifications such as kosher or halal; we build production runs around those requirements and work with third-party inspectors. As consumer preferences shift toward “cleaner” ingredient lists, our R&D team monitors alternatives but keeps an eye on the proven track record of parabens for safety, cost, and performance. As debates over preservatives play out in the media, we remain focused on supplying trusted quality backed by strong data—knowing that shelf life, product safety, and consumer trust depend on it.
Why Direct Manufacturing Matters
Dealing directly with end users means we hear firsthand about pain points: slow deliveries, off-grade powder, or unexplained performance variation from generic sources. Manufacturing methylparaben ourselves, with direct quality oversight and supply chain control, allows us to solve problems quickly. Early in our history, we lost a few accounts to cheaper resellers. Many soon returned after encountering inconsistent quality. By focusing on transparency and ongoing improvement, we earned long-term trust. Our staff pride themselves on solving technical issues, accommodating custom orders, and providing consistent support.
Future Outlook for Methylparaben
Despite regular media attention focused on parabens, most scientific reviews back their safety under regulated use. New preservation challenges arise as product formats change: more “natural” emulsions, shorter ingredient lists, or extreme pH ranges. We help partners by running customized preservative efficacy studies, sharing insights on formulation losses and risk points. For longer-term viability, we invest in process upgrades, new carriers, and tighter contamination controls throughout the site. Customers expect more than a commodity—they need security, advice, and guaranteed supply.
Summary: Our Commitment to Quality Methylparaben
Our experience producing methylparaben means every lot we ship is a reflection of years of learning and customer collaboration. Cutting corners—on raw material quality, process rigor, or documentation—would risk not just market share, but the safety and satisfaction of end users who rely on preserved products every day. Product recalls, compliance investigations, and even minor performance shortfalls can have outsized effects downstream. By keeping production transparent, open to inspection, and focused on the subtle details that affect real-life stability, we aim to deliver what chemists, formulators, and brand owners need: methylparaben of proven quality, from a source they can check and trust.
The Way Ahead: Emerging Needs and Dedicated Innovation
Our long-term perspective comes from decades watching the cycles of skepticism and reformulation in the chemical world. As preservation technology adapts, methylparaben retains an important role through its versatility and well-mapped risk profile. We sit with partners to study problematic spoilage cases, run tailored kill-curve tests, and suggest process improvements—not just because the market demands it, but because long-form collaboration grows meaningful results. Improvement never stops: new assay methods, better traceability, real-time analytics. These steps continue to separate reliable manufacturers from resellers and fly-by-night operators. At the end of the day, strong methylparaben quality supports better products, confident development, fewer recalls, and a healthier marketplace for everyone involved.