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Butylparaben Sodium Salt

    • Product Name Butylparaben Sodium Salt
    • Alias butyl p-hydroxybenzoate sodium salt
    • Einecs 412-770-2
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    445152

    Cas Number 36457-20-2
    Molecular Formula C11H13NaO3
    Molecular Weight 216.21 g/mol
    Iupac Name sodium 4-(butoxycarbonyl)phenolate
    Appearance White to off-white powder
    Solubility In Water Soluble
    Melting Point 132-136°C (decomposes)
    Storage Temperature Room temperature, dry conditions
    Ph Of 1 Solution 8.0-10.0
    Purity Typically >98%
    Application Preservative in cosmetics and pharmaceuticals
    Synonyms Sodium butylparaben, Butyl 4-hydroxybenzoate sodium salt
    Odor Odorless
    Stability Stable under recommended conditions

    As an accredited Butylparaben Sodium Salt factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Butylparaben Sodium Salt, 100g, supplied in a sealed, white HDPE plastic bottle with tamper-evident cap and clear labeling.
    Shipping Butylparaben Sodium Salt is shipped in tightly sealed containers to protect from moisture and light. Packages comply with safety regulations, including appropriate labeling and documentation. The chemical is typically shipped at ambient temperature, via ground or air freight, and handled as a non-hazardous material unless otherwise specified.
    Storage Butylparaben Sodium Salt should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at room temperature (15-25°C). Store away from incompatible substances, such as strong oxidizing agents. Ensure the container is clearly labeled and avoid prolonged exposure to air to preserve product quality and stability.
    Application of Butylparaben Sodium Salt

    Applications of Butylparaben Sodium Salt in Industrial Manufacturing

    Butylparaben Sodium Salt serves as a specialized preservative across regulated industrial sectors, particularly where consistent antimicrobial performance and compliance with recognized health standards are non-negotiable. As the original manufacturer, we supply this raw material to professional clients, supporting validated processes where preservative stability in aqueous systems remains critical to final product safety and shelf life.

    1. Personal Care Emulsion Preservatives

    Major personal care facilities require robust preservation during the manufacturing of emulsified creams, lotions, and skin treatments to prevent microbial contamination throughout batch storage and after packaging. This compound is introduced at specific formulation stages to maintain broad-spectrum antimicrobial action, addressing frequent stability and regulatory audits for export-grade personal care batches.

    Industry compliance standards

    • EU Cosmetics Regulation (EC) No 1223/2009 Annex V
    • China GB 7916-2013 Hygienic Standard for Cosmetics
    • ASEAN Cosmetic Directive
    • US FDA 21 CFR 700.15

    Typical usage ratio

    • Ranged from 0.02% to 0.3% by weight; exact percentage depends on total water phase and compatibility with other actives. Combined preservative systems may adjust input downward.

    Downstream process integration

    • Dissolved in the aqueous phase before emulsion; often added immediately post-heat phase to maximize solubility.

    Final product types

    • Moisturizing creams
    • Body lotions
    • Facial cleansers
    • Sunscreen emulsions

    2. Pharmaceutical Topical Formulations

    In pharmaceutical semi-solid production, particularly for topical ointments and medicated gels, this material supports compliance with pharmacopoeial requirements for non-sterile finished medications. Process control aims for consistent preservative dispersion, maintaining safety from manufacturing through in-use stages documented during regulatory submissions.

    Industry compliance standards

    • European Pharmacopoeia (Ph. Eur.) Monograph 04/2015:0420
    • USP-NF General Chapter <795> Nonsterile Compounding
    • Good Manufacturing Practice (GMP) ICH Q7
    • China Pharmacopoeia (CP) ChP 2020

    Typical usage ratio

    • 0.05% to 0.2% w/w; determined by antimicrobial challenge tests and toxicity limits appropriate to the route of administration and patient group.

    Downstream process integration

    • Blended during the aqueous phase preparation of topical vehicles; introduced before final viscosity agents and actives.

    Final product types

    • Dermatology creams
    • Medicinal gels
    • Antifungal topical ointments
    • External-use pharmaceutical pastes

    3. Wet Wipes and Nonwoven Hygiene Products

    Industrial-scale production of wet wipes and pre-moistened towelettes for hygiene and cosmetic applications relies on liquid phase preservatives to control microbe proliferation in each saturated substrate. This ingredient enters as a preservative within liquid soak formulations, allowing traceability checks for shelf-stable production output in high-humidity environments.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006
    • ISO 22716:2007 (Cosmetics GMP)
    • US Environmental Protection Agency (EPA) PT6 for preservatives
    • Japanese Standards of Quasi-drug Ingredients (JSQI)

    Typical usage ratio

    • 0.08% to 0.25% in finished liquid phase; dose varies according to intended moisture retention period and interaction with surfactants.

    Downstream process integration

    • Mixed into the aqueous preservative solution before substrate saturation; incorporated via direct dosing into soak tanks preceding wrapping or sealing lines.

    Final product types

    • Infant wet wipes
    • Personal care cleansing cloths
    • Disposable hospital wipes
    • Makeup remover wipes

    4. Hair Care and Styling Formulas

    Hair product manufacturers in regulated markets use this preservative to meet challenge test requirements in water-based gels, mousses, and treatment serums exposed to repeated opening, humidity, and user handling. It enters the system post-neutralization, ensuring sustained protection throughout the shelf life without impacting viscosity or appearance specifications during quality assurance checks.

    Industry compliance standards

    • US FDA 21 CFR 700 Subpart B
    • EU Cosmetics Regulation Annex V, Entry 12
    • Health Canada Hotlist (Cosmetic Ingredient Hotlist 2021)
    • COSMOS/Ecocert guidelines where applicable (for non-synthetic blends)

    Typical usage ratio

    • 0.04% to 0.15% by total formula weight, selected based on water content, intended market shelf stability, and compatibility testing with cationic polymers or proteins.

    Downstream process integration

    • Added after base polymers hydrate; incorporated under moderate agitation to ensure uniform preservative distribution in aqueous and hydroalcoholic bases.

    Final product types

    • Hair styling gels
    • Leave-in conditioners
    • Anti-dandruff lotions
    • Hair repair serums

    5. Water-Soluble Color Cosmetic Production

    Specialty color cosmetic lines—liquid eyeliners, mascara, and water-based foundations—incorporate this substance for broad-spectrum preservative protection during manufacturing, transportation, and end-user application. Microbiological quality forms an integral part of batch release, particularly for export compliance and product registration dossiers.

    Industry compliance standards

    • EU Cosmetics Regulation Annex V, Paraben Entry
    • FDA Cosmetic Labeling and Safety (21 CFR 701, 740)
    • ISO 29621:2017 (Guidelines for low-risk cosmetics microbiology)
    • ASEAN Cosmetic Directive 2015

    Typical usage ratio

    • 0.08% to 0.18% by finished product mass—adjusted for pigment load, water content, and plant water activity test data.

    Downstream process integration

    • Dispersed into aqueous colorant phases before pigment grinding or emulsification; batch blended in stainless steel tanks before aseptic filling or in-line dosing to minimize contamination risk.

    Final product types

    • Liquid foundations
    • Water-based mascaras
    • Cream eyeshadows
    • Eyebrow gels
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    Certification & Compliance
    More Introduction

    Butylparaben Sodium Salt: Straight Talk from the Manufacturer

    Direct from the Factory Floor

    Those of us still making Butylparaben Sodium Salt every week have learned a thing or two about delivering a paraben that performs. The sodium salt form puts this compound on a different playing field compared to basic butylparaben, especially for folks in personal care, pharmaceuticals, and certain industrial lines. Around here, we sketch each batch from the same reliable starting points—sodium hydroxide and butylparaben, bringing them together in clean, measured reactions checked for every step. That guarantee of purity isn’t marketing; it’s years of fine-tuning, because one contamination checkpoint missed means a headache later for both us and our customers.

    For those sorting out preservatives, it's practical to understand the difference at the molecular level. Classic butylparaben struggles in aqueous settings where the sodium salt steps up. Making the switch means the salt dissolves swiftly into water-based products, leaving no residue, no haze, and no complaints from formulating chemists. Each kilo carries a promise: no lumps, no discoloration, and genuine sodium salt, not a mix of free acid and base. Our team oversees not only the starting materials but also the pH and assay checks before packaging. We send out only material that lives up to tight clarity and color standards.

    Our Butylparaben Sodium Salt sees steady use in rinse-off and leave-on formulations. Shampoo labs often adopt it for its ease of dispersal in cool processing stages—nobody wants a second water jacket just to get a preservative to melt. In creams and lotions, it sidesteps separation headaches that sometimes haunt traditional parabens. Customers making oral care products return with praise for the way it keeps actives stable with no strange aftertaste.

    Who Buys and Why

    Over decades, we’ve watched uses shift. Not every customer buying preservative wants the salt form, but those who do tend to work at scale. Big-batch personal care companies avoid back-end clarifiers and filtration setups, since the sodium salt clears in with little more than a light stir. Weighing errors happen less often, too, because it’s granular and predictable—no more floating clumps or fine powder drifting near sensitive mixers.

    Pharmaceutical teams keep coming back for a reason: sodium salts help in both oral and topical solutions, especially where water content complicates the choice of preservative. Balanced with the proper counter-ions, Butylparaben Sodium Salt stands up to tough pH ranges and stays stable beyond what we see in the raw acid form. The shelf-life data we have on hand, measured from sealed drums held under different lighting and humidity conditions, keeps us honest about claims for stability.

    On the industrial side, it takes a bit more digging to find widespread use, but those coating and adhesive lines that need to meet EU micro limits give it a look. Nobody wants to spend the plant’s money on replacement batches if they can help it, and switching over to a sodium paraben protects finished goods from breakdown. Our documentation always comes with a clear assay, alongside microbial data from each lot, so engineers can confidently fold it into compliance paperwork. Less back-and-forth, fewer headaches.

    The Model and Specs: Real Numbers Matter

    We keep it simple: the most popular grade rolling out of this factory is the standard Butylparaben Sodium Salt, with assay readings consistently hitting between 99.0–101.0%. Every certificate notes moisture, we keep it below 5% as a rule—higher levels bring risks for caking or instability and we know nobody wants that. Particle size stays fine and free-flowing, coming from the same proven drying and milling lines we use across all our paraben salts.

    Color and clarity get checked both visually and with instruments. A pale white, almost snowy powder signals top quality and reassurance against yellowing, which can spook customers expecting a near-invisible preservative in their formulas. Every drum carries a lot number that traces back to raw material certificates, blending line notes, drying logs, even the batch technician’s initials. Traceability means fewer questions if you need to check history, and we welcome audits—transparency puts everyone on the same page.

    How We’ve Learned to Avoid the Pitfalls

    Mistakes in this business grow costly fast. Some years back, we learned the hard way that handling sodium salts alongside more hygroscopic ingredients can change granule shape or lead to sticking problems in storage. We fixed our plant airflow, invested in better silo linings, and cut down packaging transfer time so no box of Butylparaben Sodium Salt sits out exposed longer than needed. It’s the kind of lesson that only comes from years on the floor, where feedback from the end user turns out to be a faster teacher than any textbook.

    Shipping comes up a lot in calls and emails. Filling 20 kg drums means balancing safety and ease of retrieval—customers hate digging deep for the last scoop. We use wide-mouth drums with heavy liners, keeping seals tight but easy to break without need for special tools. Forklift drivers get trained so drop risks stay low, preserving both product integrity and worker safety. Paperwork shares true pack dates, not just fancy printing.

    A recent shift concerns microplastics and unintended contamination, especially in production lines with diverse products. Our dedicated lines for paraben salts cut cross-contamination risks. Every run includes rinse cycles that go beyond regulatory minimums—we've learned not to risk batch-to-batch residue, and labs expect as much diligence as possible, especially with incoming global requirements tightening year by year.

    How Butylparaben Sodium Salt Compares to Other Preservatives

    Plenty of companies ask why not use other preservatives—some turn to methyl, ethyl, or propylparaben, or even benzoates. From long production runs, we see clear-cut differences beyond powder color or ease of measurement. The butyl chain grants more potent antimicrobial action without bumping up toxicity to humans in finished goods. Most methylparaben sodium products lack the broader bacteria-yeast protection when tested in neutral pH. Our sodium butylparaben stands up especially well in water-heavy cosmetic bases, where it stirs in rapidly and brings little to no odor.

    Switching to potassium or calcium salts gets explored, especially for products targeting certain regulatory environments. In practice, sodium provides the right balance of solubility and cost, avoiding complications from heavier molecular weights or interference in active ingredient delivery. Potassium versions sometimes bring unwanted taste notes, making them less appealing for oral or leave-on formulas.

    Plenty of formulators stick by the traditional, pure free acid form of butylparaben. Those batches require careful heating and mixing, and the risk of undissolved granules jumps if added late or at insufficient temperature. Sodium salt, on the other hand, gives production teams a cushion—less worry about incomplete solubility, clumping, or uneven distribution throughout the batch. That shows up especially in high-speed lines, where production output depends on repeatability and operators must keep downtime to a minimum.

    We respect every chemist’s need to trial alternatives, but in our own R&D side-by-sides, the sodium salt wins for projects targeting broad regulatory acceptance without extra filtration stages or pH shifting. Bottlers using ultrasonic filling lines have mentioned smoother throughput since foaming and caking are less of an issue. Less rework, fewer line slowdowns—write-ups tell the story in concrete terms.

    Real-World Case Studies from Our Production Side

    A few years back, a midsize shampoo producer hit us with a batch consistency complaint: their preservative kept settling, leaving product vulnerable to spoilage. Running a plant trial using our Butylparaben Sodium Salt in place of free acid eliminated the problem overnight. Their process engineer reported better shelf-life and clearer product with no filtration needed post-production. From our end, it underscored how sodium salt disperses rapidly in large tanks without special equipment.

    We’ve seen toothpaste lines replace sodium benzoate with our sodium butylparaben, chasing better flavor stability and shelf-life. Results have pointed to fewer recalls and less frequent flavor deviation since pH drift doesn't eat into effectiveness the way cheaper preservatives sometimes do. Not every switch fits every application, but seeing refund rates drop points to a meaningful difference.

    One fascinating application came out of an animal nutrition supplement company. Initial pilot batches suffered from visible separation. Our suggestion to swap in Butylparaben Sodium Salt solved the instability, and subsequent production scaled up with no further issues. Team leaders emphasized how reducing troubleshooting and batch reprocessing allowed better focus on new product lines. In our world, small changes to ingredient selection unlock plenty of downstream savings—people remember which vendors bring quick, effective solutions.

    Decoding End-User Feedback

    Our order desk fields daily questions from labs and production sites grappling with stability, rapid mixing, and workflow efficiency. Two main requests repeat: single-lot consistency and fast-dissolving powder that flows without clogging scoops or screens. Our feedback loop relies on these calls. Quality teams mark all feedback on internal dashboards, and common suggestions push updates to drying cycles, sieves, or even drum design.

    Customer feedback convinced us to ramp up random lot checks using both legacy and newer analytical techniques. HPLC checks ensure no leftover solvent traces, and we built in full spectrum microbial testing because one contaminated drum can set a customer back by weeks. Getting measurements right down to parts-per-million counts means customers stay out of trouble with inspectors and their own internal auditors.

    Packaging matters just as much as fine-tuning the powder. Labs working with semi-automated feeders regularly asked about anti-static options. We moved to new liners, and the static buildup complaints practically vanished. Each shipment comes labeled with full transparency on storage conditions and retest intervals, letting customers plan out their inventory rotation instead of guessing at shelf-life or “use by” dates.

    The Compliance Journey

    It’s one thing to produce clean, well-characterized Butylparaben Sodium Salt. Meeting regulatory standards everywhere from the US to Europe turns into its own battle, and small paperwork errors spell real trouble. Audited recordkeeping, full traceability, and robust batch records protect both our operation and the users relying on every scoop. Internal compliance teams keep certifications updated, and notification triggers alert us to regulatory shifts that might affect product positioning—a lot more efficient than waiting for a warning letter long after the fact.

    Our documentation pairs regulatory letters with up-to-date allergen and impurity screens. Some clients need quick response for new regulations or foreign registration, and our file library contains every certificate drawn from our own testing—not just photocopies or generic data sheets. This builds confidence on both sides of the trade, and we’re candid about what we know and don’t. Pricing remains stable even as compliance costs inch upward, thanks to long-term planning on our purchasing and quality assurance programs.

    Questions sometimes arise about banned preservative lists and evolving restrictions in certain cosmetic applications. Our regulatory and technical support teams help clients navigate these waters, providing timely answers backed by current, internal and published safety data. We only ship product that aligns with both our standards and the country-specific requirements of the end user. In volatile regulatory climates, trust comes from this open, ongoing dialog—not just the purity reading of the powder.

    On the Horizon: Market Shifts and Technical Workarounds

    Market demands keep evolving. Calls for "cleaner" or alternative preservatives grow every year, yet the sodium salt version of butylparaben hangs on for important reasons. It has a familiarity and robust safety profile, letting R&D teams move quickly when deadlines approach. Shaving off development time saves real money, especially when large fills run on tight schedules.

    People come to us with new ideas—a shampoo built for arid climates or a skin cream needing extra-long shelf stability during shipping. We help tweak formulations on site, bringing our in-house chemists to trials where Butylparaben Sodium Salt needs to shine. If any problems surface, like pH creeping outside comfort range or an unusual batch color, our technical support works directly with the customer’s plant team. This fast troubleshooting keeps lines moving and clients loyal. We share real world knowledge, from adjusting stir speed to the most efficient dosage rates, pulled from both customer trials and our own scale-ups.

    For those carving out niches in certified natural or minimally preserved products, alternatives continue to pop up—sometimes they work, sometimes they just add cost or shorten shelf life. We keep a watchful eye on technical reviews, always ready to update or adapt our processes so customers can meet their own evolving needs. The sodium salt keeps a flexible spot in many product lines, and as manufacturers, we value sharing what is proven, not just what’s trending.

    Trust Born in Daily Practice

    In this business, reliability matters more than flash. Day after day, our lines run Butylparaben Sodium Salt without shortcuts—no skipped steps, no substandard batches finding their way out the door. Our culture revolves around transparency, partnership, and long-term results. Customers return when suppliers handle issues head-on and honor every commitment with the same care they show their own brands.

    From raw material intake through blending, granulation, drying, packaging, and final lot release, our hands are on every piece. New regulations or market shifts don’t shake our confidence—years at the bench and factory line floor build a resilience that stands above marketing noise. We lead with experience and welcome anyone with tough technical questions or new formulation challenges related to Butylparaben Sodium Salt.

    Customers who invest in long-term quality and clarity appreciate that we do the same—and we stand ready to adjust as industry challenges and innovation keep rolling forward.