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HS Code |
580026 |
| Chemicalname | Sodium Ricinoleate |
| Casnumber | 5323-95-5 |
| Molecularformula | C18H33NaO3 |
| Molecularweight | 320.44 g/mol |
| Appearance | White to pale yellow solid |
| Odor | Mild fatty odor |
| Solubilityinwater | Soluble |
| Meltingpoint | Approximately 50-55°C |
| Phvalue | 8-10 (1% aqueous solution) |
| Primaryuse | Surfactant and emulsifying agent |
As an accredited Sodium Ricinolate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sodium Ricinolate is packaged in a 25 kg white HDPE drum with a secure lid, product label, and handling instructions. |
| Shipping | Sodium Ricinolate should be shipped in tightly sealed containers, protected from moisture and incompatible materials. Transport under cool, dry conditions, compliant with local and international regulations. Clearly label packages and include appropriate safety documentation. Avoid exposure to heat and direct sunlight to maintain chemical stability during transit. |
| Storage | Sodium ricinolate should be stored in a tightly sealed container in a cool, dry, and well-ventilated area. Keep it away from moisture, acids, and incompatible materials. Protect from direct sunlight and sources of heat. Always label containers clearly and avoid prolonged exposure to air to prevent degradation. Ensure appropriate chemical spill containment measures are in place in the storage area. |
Applications of Sodium Ricinolate in Industrial ManufacturingSodium ricinolate, derived from ricinoleic acid via saponification, offers unique surfactant and emulsification properties. Our production plant supplies industrially graded sodium ricinolate that meets precise technical standards for diverse manufacturing segments. Below, we detail its main applications and industry-specific requirements. 1. Emulsifiers in Metalworking LubricantsManufacturers use sodium ricinolate as a primary emulsifier in soluble and semi-synthetic metalworking fluids. Its strong emulsifying action enables the stable dispersion of oils in water, controlling fluid separation and microbial growth during machining and grinding. Due to its anionic character, blending requires close pH monitoring, secure dosing to avoid deposit formation, and filtration to maintain emulsion homogeneity. Engineering formulation teams utilize this material to optimize fluid lifespan and equipment protection across cutting, grinding, and forming operations. Industry compliance standards
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2. Dispersing Agent in Rubber ManufacturingThe elastomer processing sector incorporates sodium ricinolate to disperse fillers, colorants, and curing agents in natural and synthetic rubber compounds. The surfactant nature assists in achieving uniform wetting of carbon black and silica fillers, enhancing compound consistency and reducing porosity in the final vulcanizate. Mixing engineers control dosing according to compound density, achieve homogeneous blend integrity via intensive mixing, and implement tests for plasticity retention to ensure downstream molding and vulcanization yield defect-free products. Industry compliance standards
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3. Solubilizer for Personal Care FormulationsCosmetic manufacturing plants rely on sodium ricinolate to solubilize oils and waxes into stable aqueous bases for soaps, shampoos, and liquid cleansers. It acts as a mild anionic surfactant compatible with amphoteric and nonionic ingredients, reinforcing foam stability and clarity. GMP protocols require careful storage, accurate dosing in blending tanks, and tailored mixing conditions to avoid precipitation or cloudiness. Formulators select the concentration considering fragrance load, viscosity targets, and skin compatibility. Industry compliance standards
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4. Detergent Builder in Textile Scouring & FinishingTextile finishing lines use sodium ricinolate as a detergent builder to enhance wetting and dispersing power in scouring and bleaching procedures. Its anionic structure assists in emulsifying grease and wax removed from raw fibers. Operators dose the additive into the aqueous scouring stage, achieving thorough removal of natural oils without fiber damage. The detergent builder also reduces ionic contamination and supports uniform dye uptake in final finishing. Industry compliance standards
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5. Dispersant for Agrochemical FormulationsFormulators of agricultural chemicals such as wettable powders and suspension concentrates add sodium ricinolate as a dispersant to stabilize active ingredients in water-based systems. The material enhances the suspension of pesticide particles, minimizing sedimentation and agglomeration during storage and application. Production lines require precise weighing, high-shear mixing, and regular particle size checks to guarantee dispersion stability through transport and field use. Industry compliance standards
Typical usage ratio
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Sodium Ricinolate has found its place at the intersection of industrial chemistry and everyday manufacturing, and as a producer with years in the field, we've seen firsthand how this unique surfactant has evolved from a niche specialty product to a workhorse in specialized applications. Few other salts in the ricinoleic acid family offer its balance of performance and versatility. Our manufacturing experience brings not just a deep understanding of the compound itself, but also a clear sense of what makes it stand out from so many standard fatty acid derivatives in the chemical market.
The story of Sodium Ricinolate begins with castor oil, which supplies the ricinoleic acid at the heart of the synthesis. As a manufacturer working daily with large-scale saponification and purification, it becomes clear that not all sodium soaps behave equally. Sodium Ricinolate’s molecular structure, with the signature hydroxyl group at the C-12 position, gives it a character distinct from stearates or oleates. This additional functionality influences solubility and its role in modifying surface tension—a core reason for its persistent value in formulations.
Too often, surfactants designed for harsh detergency sacrifice mildness or environmental friendliness. Sodium Ricinolate sidesteps that challenge. We have seen laundry additive applications where the end product must clean effectively but stay gentle enough on fabrics and skin. Here, sodium stearate falls short, often leaving residues or requiring more aggressive rinsing. In our experience, Sodium Ricinolate bridges that gap, creating a cleaner rinse profile and reducing fiber wear over regular use. Laboratory tests backed by customer feedback confirm these practical improvements, not just theoretical advantages.
Manufacturing scale and precise control allow us to produce Sodium Ricinolate in different grades tailored for industrial and cosmetic purposes. Common models typically reflect their targeted end use and purity—one grade for textile processing, another for high-end personal care. For technical applications, product forms include fine powders and slurry, which suit both batch and continuous manufacturing equipment. We apply a standardized quality process, maintaining tight control over fatty acid composition and trace sodium content, since these impact not just product appearance, but real-world application behavior.
In the cosmetic segment, color and odor become as important as saponification value. Here, batch-to-batch consistency can make or break a customer’s trust in a supplier. In our plants, product lots are regularly monitored for pH, active content (which usually sits between 97-99% for our high-purity variant), and water solubility at room temperature. Excessive free fatty acid or moisture produces clumping and uneven dissolution, which cause headaches for customer service teams and production lines alike. Drawing from several years working hands-on with these challenges, we've set process controls tight enough to minimize these disruptions.
Some applications take full advantage of Sodium Ricinolate’s strong wetting—and more importantly, its dispersing ability. In textile dyeing, for example, customers tell us that standard sodium soaps either fail to distribute colorants evenly or require added dispersants. Sodium Ricinolate alone achieves uniform penetration, helping fabrics take up dye consistently during both high- and low-temperature processes. The repetitive heating and cooling cycles in a dye house demand a soap that resists breakdown and holds up across pH changes. Since sodium soaps based on palmitic or stearic acid often start to precipitate or lose efficacy, we see market share shift toward ricinolate-based products year after year.
Another segment comes from the personal care world—stick deodorants and soaps depend on Sodium Ricinolate for its ability to form stable gels and creams. Unlike sodium laurate, which firms up too quickly or lacks the right lubricity, Sodium Ricinolate brings the ideal melting curve and structure for smooth texture. As manufacturers, we’ve worked with customers struggling to reformulate legacy products using new botanical claims. Natural-sourced Sodium Ricinolate validates those claims without throwing off batch stability or end-user feel. There’s a growing body of consumer feedback indicating better performance in controlling odor and improving spreadability, driving more formulators toward higher ricinolate content.
As global chemical manufacturing shifts toward more sustainable inputs and outputs, raw materials rooted in renewable resources come under the microscope. Our Sodium Ricinolate stands apart because its major feedstock—castor oil—grows in arid regions where other oilseed crops falter. Unlike the long supply chains for tropical oils like coconut or palm, our procurement from Indian and Brazilian castor farmers brings shorter transport requirements and a smaller environmental footprint. These sourcing advantages now influence downstream buyers more than ever, particularly those facing pressure to produce “green” formulations for home and personal care.
Regulatory landscapes keep changing, and experience tells us that staying ahead means constant vigilance and adaptation. Sodium Ricinolate enjoys a reputation for low toxicity and good biodegradability (numbers backed up by OECD testing data). That gives customers confidence when certifying formulations for eco-label programs in Europe, East Asia, and North America. Unlike synthetic surfactant alternatives that bring aquatic toxicity concerns, our product slides under the regulatory radar for most uses. Internally, regular audits make sure production complies with REACH, TSCA, and comparable benchmarks, sidestepping compliance headaches for customers on both sides of the ocean.
Years running production lines for sodium soaps have revealed one hidden strength of Sodium Ricinolate: its handling flexibility. In powder form, bulk transfer and mixing rarely throw up surprises; clogging and dusting are kept to a minimum with the right particle control. For pastes and slurries, we work with customers to match viscosity profiles to feed pumps and mixing tanks. In the early days, unexpected thickening at cool temperatures caused some trouble downstream, but once we dialed in the right blending and temperature windows, it became a non-issue. Customers working with melt-in or cold-process operations prefer sodium ricinolate over harder fatty acid soaps simply because less fiddling with process temperatures means more uptime and fewer rejected batches.
Our technical discussions with partners have also revealed that not all producers treat this material equally. Some cut corners by using lower grade castor feedstocks, resulting in off-color, high-odor batches that underperform in sensitive end-use situations. Years spent screening incoming oil and running in-house analytics saves us and our clients from explaining mysterious product failures or recalls. In our plant, fresh product rarely lingers; manufacturing tightly matches customer draw, reducing storage time and loss of performance due to shelf aging.
Sodium Ricinolate’s core difference lies in its chemical backbone—the combination of a longer chain and the hydroxyl substitution creates surfactant properties not present in simple straight-chain soaps. In our applications lab, laundry detergents and soap bars built around sodium stearate underperform on both softness and residue tests, while sodium laurate-based formulations fall short on solubility in cooler water. Sodium Ricinolate threads the needle by delivering both rapid dissolution and persistent lubricity. This is not theoretical chemistry; it plays out in real production, where rejected batches and costly rework arise from using the wrong soap base.
Textile and leather processing plants tell us traditional sodium soaps either clump under hard water conditions or fail to carry disperse agents deep into fibers. On a practical level, the result is mottled color or uneven finishes, leading to more waste and lower customer satisfaction. Our ricinolate-based products consistently keep dyes, tanning agents, and waxes in solution, yielding clean, reliable results batch after batch. In heavy-duty applications, such as metal lubricant emulsions, Sodium Ricinolate has shown better emulsion stability than its counterparts, cutting down on separation and scum buildup during operation runs.
Manufacturing at scale exposes every weak link in the supply and processing chain. Years of facing unexpected weather, shifting commodity markets, and sudden surges in demand have taught us that more than price makes a good product. Sodium Ricinolate production demands careful attention—from the moment castor seeds arrive to the last drum that leaves the loading dock. A bad oil crop in one season, or even an overnight cold snap that throws off crystallization, can risk yields or change performance. We built redundancy into our separation and drying stages, making sure customers see the same product consistency whether they buy once or a hundred times.
Ongoing dialogue with downstream users keeps us honest. Many customers raise points that never show up in technical data sheets. They want to know how our product handles at low temperatures, whether it can recover from shear forces without losing texture, or how it responds to long-term warehouse aging. Our in-house trials simulate actual customer use, not just controlled lab settings. Problems like powder clumping, yellowing after exposure to high humidity, or pick-up in open bins are not theoretical; they present real costs in both waste and reprocessing. Listening to these details and carrying feedback upstream in our production plant lets us adjust ahead of demand, not just react to it. In times of tight supply, it pays dividends in customer retention and product reliability.
No manufacturing process is immune to setbacks. The dependency on agricultural input subjects the Sodium Ricinolate world to periodic supply shocks and price swings. In drought years, castor yields tighten, pushing up raw material costs. We learned to build relationships with multiple suppliers, supporting long-term grower contracts and even investing in yield improvement programs abroad. Short-term, this costs more, but over time it insulates our downstream users from the volatility that upends other sodium soap segments.
On the technical side, sharpening the purification stages continues to be a priority. As regulatory thresholds for purity and safety rise, the market for lower-grade byproduct narrows. Process improvements over the last three years cut our byproduct output by nearly a quarter, letting us upcycle side streams into new applications rather than landfill waste. Solvent-free purification, reduced water use, and heat recovery are not just compliance checkboxes—they are driven by our plant floor experience, seeing where energy and material use paid no returns. These improvements keep us a step ahead when customers ask for lower emission footprints or product lifecycle data.
Emerging applications in polymer stabilization, water treatment, and agricultural adjuvants signal a growing role for sodium ricinolate beyond its traditional detergent stronghold. We collaborate with academic and industrial partners on pilot projects, lending both technical advice and real-world production samples. Keeping lines open between R&D, manufacturing, and customers ensures no one works in a vacuum; good ideas move quickly from bench to plant, and problems get solved before scale-up headaches set in.
Running a modern chemical plant brings constant audit pressure, and Sodium Ricinolate fits into a bigger operation with wide-ranging product families. Quality certifications and traceability audits don’t just occupy the quality department. Our production staff trains regularly on updated standards, and lot-level trace codes follow every shipment from saponification tank to finished goods warehouse. Years of dealing with customer complaints, recalls, and cross-border shipments hammered home the importance of keeping digital and paper traces clean and accessible.
On the product side, controlling off-odor and discoloration remains a recurrent task. Small shifts in feed quality or reaction temperature cause noticeable impact downstream. By working closely with suppliers, we specify castor oil by fatty acid profile, not just acid value or moisture; it’s the only reliable way to steer clear of “off” batches. Years of testing have shown that lab numbers alone can’t predict in-use properties, so field feedback loops are built into our order system. Technical support doesn’t end after the delivery; if a customer hits a snag scaling up or runs into stability trouble, our production and application specialists can respond quickly with both lab and plant-based advice.
No two customers approach Sodium Ricinolate the same way. Our experience producing it for high-purity cosmetics sometimes clashes with the rugged requirements of pulp and paper or textile dyeing. Small batch users need tight packaging and shelf-stable forms, while bulk consumers want cost-effective delivery formats and load-out flexibility. Our production flexibility stretches from 25 kg bags to full container loads, offering granular or paste forms by request. Past trials where small users reported handling problems led us to rethink anti-caking treatments and drum lining choices, reducing frustration across the board.
Learning patterns in customer demand lets us forecast more accurately and allocate material when markets turn volatile. We keep part of manufacturing on continuous runs to buffer sudden demand surges, a strategy picked up after years of watching production bottlenecks cause cascading shipment delays. Quick turnaround on small volume runs keeps development customers moving, allowing them to test and scale faster than competitors limited by long lead times. Collaboration builds stronger relationships, and it’s clear that in the specialty chemical business, product alone is rarely enough—responsiveness matters just as much as purity or price.
Having weathered the ups and downs of the commodity and specialty markets, we see Sodium Ricinolate’s potential expanding as more formulators turn toward natural, safe, and effective components. The core technology remains grounded in old chemistry, but every year brings new performance challenges and environmental demands. Our focus stays on improving plant efficiency, supporting responsible castor farming, and maintaining the kind of technical support that helps partners move quickly from lab to market.
The market’s move toward transparency and clean sourcing shines a positive spotlight on Sodium Ricinolate. Its feedstock, performance, and long safety record create a compelling case for replacing less sustainable and less effective surfactants. Real manufacturing experience, dealing daily with raw material variability and end-user demands, shapes our product more than any theory or spreadsheet can. We take pride in delivering a product crafted to meet the real-world needs of customers, with a clear-eyed view of the challenges and a commitment to practical solutions.
In the greater context of industrial chemistry, Sodium Ricinolate embodies a blend of tradition and innovation. Ongoing improvements in process, supply chain, and application support keep it relevant across industries, while its distinctive properties set it apart from conventional sodium soaps and synthetic surfactants. As the marketplace continues to evolve, experience tells us: the companies that thrive will be those that couple proven performance with responsive, adaptive manufacturing—and that’s where we stake our name.