Fully compliant, high-efficacy cosmetic and pharmaceutical raw materials engineered for leading global formulators.
Ethyl P-Hydroxybenzoate, commonly designated as Ethylparaben or ethyl 4-hydroxybenzoate, is an organic compound with the chemical formula C9H10O3. As a crystalline white powder with superb antimicrobial characteristics, it belongs to the paraben family, widely acknowledged for its broad-spectrum preservation capability. At a molecular level, it functions through the disruption of microbial cellular membranes and the inhibition of essential intracellular enzymes, making it highly effective against fungi, yeast, mold, and gram-positive/gram-negative bacteria.
For global procurement teams and formulating chemists, purchasing from audited, high-purity Ethyl P-Hydroxybenzoate factories and exporters is critical. Quality deviations in the preservation matrix can compromise an entire product batch, leading to microbial contamination, loss of shelf life, and severe regulatory non-compliance. Our production processes utilize advanced esterification techniques, ensuring a minimum assay purity of 99.0% to 100.5%, meeting international pharmacopoeia standards (USP, EP, JP, BP).
| Chemical Parameter | Specifications (Standard Grade) | Analytical Method |
|---|---|---|
| Chemical Name | Ethyl 4-hydroxybenzoate | IUPAC Nomenclature |
| CAS Registry Number | 120-47-8 | ACS Database Reference |
| Assay Purity (Dry Basis) | 99.0% – 100.5% | HPLC / Gas Chromatography |
| Melting Range | 115.0°C – 118.0°C | Capillary Melting Point Method |
| Loss on Drying | ≤ 0.5% | Thermal Desiccation at 105°C |
| Residue on Ignition | ≤ 0.1% | Gravimetric Combustion Analysis |
The global market for specialty chemical preservatives is currently experiencing a transition driven by stringent consumer demands and regulatory frameworks. Despite marketing trends pushing for "paraben-free" claims, analytical validation proves that parabens—specifically Ethylparaben and Methylparaben—remain the safest, most bio-compatible, and most cost-effective preservation systems available. Global consumption in personal care products, pharmaceuticals, and industrial polymer coatings continues to grow at a steady CAGR of 4.2%.
In regions such as North America and the European Union, regulatory bodies like the Scientific Committee on Consumer Safety (SCCS) and the FDA have continuously validated the safety of Ethylparaben at low concentrations (typically up to 0.4% as a single ester, or 0.8% in mixtures). This regulatory certainty guarantees a resilient global demand. Industry segments relying on high-volume production of water-based formulas depend on stable supplies from reputable manufacturers to guarantee microbial stability and extend shelf life to 3+ years.
Widely utilized in leave-on and rinse-off formulations, including creams, lotions, shampoos, and foundations, preventing bacterial spoilage under humid conditions.
Acts as an antimicrobial preservative in oral liquids, topical suspensions, and parenteral formulations, ensuring microbiological purity during storage.
Incorporated into adhesives, coatings, starch pastes, and textile processing chemicals to prevent degradation by cellulose-decomposing fungi.
China has established itself as the premier manufacturing corridor for specialty preservatives, including Ethyl P-Hydroxybenzoate. This dominance is not simply based on cost reduction, but rather on vertical supply chain integration, technological superiority in chemical synthesis, and highly efficient logistics frameworks. Suzhou Yuantairun Chemical Co., Ltd. sits at the heart of this eco-system, utilizing local raw material security and cutting-edge laboratory pipelines.
The primary operational benefits realized when partnering with Chinese factories include:
Our plants are situated close to principal chemical precursors such as p-hydroxybenzoic acid. This proximal advantage reduces transit fees and guarantees uninterrupted manufacturing cycles even during global raw material shortages.
Utilizing high-end DCS (Distributed Control Systems) for esterification reactions ensures consistent quality across production batches. In-Process Control (IPC) guarantees that deviations in temperature or pH are immediately rectified.
Modern Chinese exporters must align with strict national environmental protection acts. Our factories are equipped with integrated wastewater treatment plants, recovery loops for ethanol, and eco-friendly gas filtration units.
In actual industrial formulation, Ethylparaben is rarely used in isolation due to solubility limits in water (approx. 0.07% at 20°C) and partitioning dynamics. Instead, it is combined with more hydrophilic agents like Methylparaben or solvent carriers such as Phenoxyethanol or Propylene Glycol to yield an optimized, broad-spectrum barrier against contamination.
The table below illustrates common localized formulation methodologies across major global application sectors:
| Industry Sector | Target Formulation Type | Preservative System Synergy | Optimal pH Range |
|---|---|---|---|
| Cosmetics / Personal Care | O/W Creams & Emulsions | 0.15% Ethylparaben + 0.2% Methylparaben + 0.6% Phenoxyethanol | 4.0 – 8.0 |
| Pharmaceuticals | Antacid Oral Suspensions | 0.08% Ethylparaben + 0.12% Propylparaben (Sodium Salts) | 3.5 – 7.5 |
| Industrial & Adhesives | Water-based Acrylic Glues | 0.2% Ethylparaben + 0.1% Isothiazolinone (MIT/CMIT) | 5.0 – 9.0 |
| Food Processing | Starch & Jelly Preserves | 0.05% Ethylparaben (Sodium Salt) + 0.1% Potassium Sorbate | 4.5 – 6.5 |
As a leading supplier in the daily chemical raw materials industry, Suzhou Yuantairun Chemical Co., Ltd. is dedicated to delivering high-quality products and comprehensive one-stop services to support our customers in R&D, production, and supply chain optimization. Our mission is to drive innovation and efficiency in the global daily chemical industry by providing cutting-edge solutions tailored to our clients' needs.
Our company assures you that all products originate from well-managed, highly sustainable, and regulatory-compliant resources. With deep roots in the chemical sector, we provide one-stop distribution capabilities combined with customized R&D.
Suzhou Yuantairun Chemical
Driving innovation, supply security, and customized material compositions globally.
We tailor raw material configurations according to distinct deployment scenarios, including high-end hotels, salon-grade formulations, or retail consumer lines. Multi-functional options, diverse packaging sizes, and tiered pricing structures are available.
Flexible parameter adjustments covering custom fragrance stabilization, specialized high-density packaging, and targeted temperature-specific solubility modifications to support sustainable green chemistry initiatives.
Expert surfactant blending suitable for a variety of end-user profiles: shopping malls, premium restaurants, industrial production centers, and bulk cosmetic repackaging operations.
Discover our practical raw material integration and customized formulation designs.
Application: Home Care (Laundry Detergents, Cleaners)
Advantages: Combines SLES and AOS as primary active surfactants for deep soil removal. Enhanced with CMEA for optimal viscosity control, presenting a highly biodegradable profile.
Application: Personal Care (Facial Cleansers, Baby Wash)
Advantages: Features Sodium Cocoyl Glutamate and Sodium Lauroyl Sarcosinate for skin-barrier preservation. Perfect for clean beauty lines requiring ECOCERT compliance.
Application: Textile Care & Finishing
Advantages: Uses cationic Cetrimonium Chloride to yield excellent anti-static properties. Concentrated formulations reduce global logistics and packaging footprint.
Application: Personal Care (Shower Gels, Shampoos)
Advantages: Combines amphoteric CAB-35 and non-ionic Lauryl Glucoside. Delivers thick, robust foam without stripping essential moisture from sensitive skin layers.
Application: Industrial Surface Treatment (Machinery, Vehicle Washing)
Advantages: Driven by Linear Alkylbenzene Sulfonate (LAS) and Glycol Distearate (EGDS) for rapid hydrocarbon breakdown. Formulated for high stability in alkaline environments.
The future of preservative manufacturing lies in ultra-purification and synergistic formulation optimization. As consumers voice chemical safety concerns, smart manufacturers are steering away from removing parabens entirely. Instead, they are developing systems that maximize preservative efficacy at minimal dosage levels. Combining Ethylparaben with organic acids or natural booster systems allows factories to cut recommended concentrations by up to 50% while achieving identical Log reduction values against pathogens.
Simultaneously, green chemistry dictates the sourcing of eco-responsible starting materials. Synthetic routes that reduce harmful toxic waste, along with thermal energy recirculation loops in modern Chinese chemical plants, are setting new standards for the global supply chain. For international procurement managers, verifying the ISO-14001 environmental compliance of a factory has become just as critical as analyzing the HPLC purity certificate.
Deep professional insights to resolve common technical, commercial, and regulatory inquiries.
Ethyl P-Hydroxybenzoate has an excellent chemical stability profile. When stored in its original, sealed fiber drum packaging, in a cool, dry, and well-ventilated warehouse away from direct sunlight, it remains highly stable for up to 36 months. Maintain temperature ranges below 30°C to avoid moisture accumulation and ensure physical integrity.
Ethylparaben has a longer alkyl chain length than Methylparaben, which increases its lipophilicity (Log P value). This allows Ethylparaben to exhibit superior antimicrobial performance against molds and yeasts compared to Methylparaben. However, this also slightly reduces its water solubility, which is why the two esters are frequently formulated in tandem to cover both aqueous and lipid phases.
Our raw materials comply with the European Cosmetic Regulation (EC) No 1223/2009. We supply complete dossiers including COA, MSDS, TSE/BSE statements, heavy metal limits, and allergen profiles to facilitate seamless registration on the CPNP (Cosmetic Products Notification Portal) and customs clearance.
Yes. As a factory and exporter, we support tailored packaging, including 25kg standard fiber drums with inner PE liners, 500kg super sacks for automated production lines, and customized private labeling. We accommodate multiple shipment types, including FCL, LCL, and air cargo routes.
Every single batch undergoes meticulous quality control. We run standard identity verification via Infrared Spectrophotometry (IR), purity testing using High-Performance Liquid Chromatography (HPLC), melting point analysis, and heavy metal testing via ICP-MS to guarantee the batch strictly conforms to USP/EP pharmacopoeia specs.
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