|
HS Code |
628985 |
| Chemical Name | Sodium Hydroxide |
| Common Name | Caustic Soda |
| Appearance | Colorless, clear liquid |
| Chemical Formula | NaOH |
| Molecular Weight | 40.00 g/mol |
| Concentration | Typically 30-50% solution |
| Density | 1.33–1.53 g/cm3 (depending on concentration) |
| Ph | Highly alkaline (pH ≈ 14 for 1M solution) |
| Boiling Point | Decomposes above 138°C (for 50% solution) |
| Freezing Point | Approximately 12°C (for 50% solution) |
| Solubility In Water | Completely miscible |
| Odor | Odorless |
As an accredited Liquid Caustic Soda factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Packaging for Liquid Caustic Soda: Supplied in 200-liter HDPE drums, blue color, securely sealed, with hazard labels and safety instructions. |
| Shipping | Liquid Caustic Soda is shipped in tightly sealed, corrosion-resistant containers such as HDPE drums, IBC tanks, or bulk tankers. It must be transported under proper labeling with hazard warnings. Ensure containers are secure, upright, and protected from moisture and incompatible substances. Follow all relevant safety regulations and guidelines during transit. |
| Storage | Liquid caustic soda (sodium hydroxide solution) should be stored in tightly closed, corrosion-resistant containers such as high-density polyethylene (HDPE) or stainless steel tanks. Store in a cool, dry, well-ventilated area, away from acids, organic materials, and sources of moisture. Proper labeling, secondary containment, and restricted access are essential to prevent leaks, spills, and unauthorized handling. |
| Purity 50%: Liquid Caustic Soda Purity 50% is used in chemical manufacturing, where high concentration ensures efficient saponification in soap production.Viscosity grade low: Liquid Caustic Soda viscosity grade low is used in pulp and paper processing, where rapid penetration aids in effective lignin removal.Stability temperature 60°C: Liquid Caustic Soda stability temperature 60°C is used in textile desizing, where thermal stability maintains consistent fabric treatment quality.Iron content < 10 ppm: Liquid Caustic Soda Iron content < 10 ppm is used in water treatment plants, where minimal metallic impurities ensure high-purity pH adjustment.Molecular weight 40 g/mol: Liquid Caustic Soda molecular weight 40 g/mol is used in refinery applications, where precise stoichiometry enhances alkali washing efficiency.Density 1.53 g/cm³: Liquid Caustic Soda density 1.53 g/cm³ is used in aluminum processing, where high density supports optimal dissolution of bauxite ore.Chloride content < 0.1%: Liquid Caustic Soda Chloride content < 0.1% is used in pharmaceuticals, where low chloride levels prevent product contamination.Reactivity high: Liquid Caustic Soda reactivity high is used in biodiesel production, where aggressive saponification delivers rapid transesterification. |
Competitive Liquid Caustic Soda prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
In the decades since we started producing liquid caustic soda, we've seen shifts in industry demands, factory automation, and how chemical production shapes everything from water treatment to paper making. Many people ask what sets liquid caustic soda apart. For us, those differences come down to the realities our teams manage every day: reliable reactivity, simple handling at scale, and strong versatility for downstream production lines.
Caustic soda, which many call sodium hydroxide, rarely attracts attention until something goes wrong in a process. We manufacture liquid grades at concentrations from 30% to 50% by weight, offering a clear, colorless solution with high alkalinity. Most of what leaves our plant each month carries the 50% concentration, a standard across pulp & paper, textiles, and water treatment because of its high reactivity and manageable logistics. Under proper storage, our liquid caustic soda keeps consistent density, predictable alkaline strength, and low levels of impurities. Unlike solid forms, the liquid moves straight into industrial systems without dissolving, weighing, or waiting. In busy environments, that speed and ease directly translate to fewer delays and reduced labor.
We witness firsthand how liquid caustic soda powers essential work. Every truckload going to the local water utility serves a mission: keeping drinking water safe. Sodium hydroxide neutralizes acids and balances pH in municipal water circuits. We receive calls every month from city plants, and rarely do specifications change. Our teams often get requests from new engineers who remember their lab chemistry but want reassurance on dosing, storage, and feeder compatibility. Over time, regular use of this chemical prevents corrosion in pipes and allows coagulation agents to work properly so communities can rely on clean water.
Another major share of our production heads out to cellulose mills. Liquid caustic soda makes the pulping process viable because it dissolves lignin, separating wood fibers to form sheets for paper and cardboard. The reactivity window is narrow—too little, and output drops; too much, and fibers are damaged. Years of close cooperation with mills helped us refine particle size, purity, and batch consistency. Technical staff call us after unexpected shifts in feedstock quality since the right mix of sodium hydroxide can accommodate changes in wood type, moisture, and annual supply variations.
Textile factories also depend on our liquid caustic soda for mercerizing cotton. This process tightens the weave and boosts dye uptake, so fabric comes out stronger and holds color. We sometimes visit mills to oversee upgrades. Small adjustments in caustic soda quality—iron content, sodium carbonate levels—show clear effects in fabric feel and final shade. Getting the caustic strength right makes all the difference on the production floor, and measuring device calibration only works when you trust the input.
Food and beverage makers use caustic soda, too—their needs revolve around strict purity. Bottling plants and dairy processors use caustic soda for cleaning and sanitizing lines. No residue, low sodium chloride, and stable color are non-negotiable. We run additional checks on those batches, keeping communication tight with quality control departments. Listening to feedback and adapting, whether for cleaning tanks or removing food oils, keeps products safe for end consumers and avoids costly product recalls.
Some buyers consider switching between caustic soda and other alkali materials like potassium hydroxide or soda ash. We often walk through the key differences with new clients. Unlike soda ash, liquid caustic soda reacts more quickly with acids and organics. That rapid neutralization makes it a better fit in systems that can't afford delayed reaction—think emergency remediation or stringent pH controls in specialty chemicals. Compared to potassium hydroxide, sodium hydroxide costs less at the same concentration, and plant equipment built for sodium-based cleaning doesn't always tolerate potassium salt byproducts.
Dry caustic soda (usually solid flakes or pearls) attracts small-volume buyers, but liquid format offers three big advantages for our industrial scale customers. The first is reduced dust and cleanup. Second, tank storage and in-line dosing make automation simpler and more repeatable. Third, batch-making transparency—direct liquid measurement—cuts down on human error. Many facilities stick with the liquid to avoid clogging, variable dissolution rates, and equipment fouling that sometimes arise from solid alkali variants.
Storage presents ongoing challenges for users. We design our storage recommendations with maintenance and longevity in mind. Liquid caustic soda requires tanks and piping made from materials that resist high alkalinity—carbon steel and certain plastics hold up best. Our process engineers frequently troubleshoot with customers who notice tank lining wear, valve leaks, or crystallization at fill lines. These problems usually point back to temperature fluctuations or air exposure. Keeping tanks at stable temperatures prevents sodium hydroxide from freezing or densifying at lower concentrations.
Direct contact with skin or eyes causes severe burns, and the exothermic heat from mixing with water or acids adds extra risk in processing plants. Years of experience taught us never to assume operators remember every detail after initial safety training. We advise regular refreshers, updated signage, and real-world response drills. Handling sodium hydroxide responsibly relies on straightforward procedures and shared vigilance, not just paperwork.
Environmental scrutiny means we track impurities and byproducts more closely than ever. Our own caustic soda comes from membrane cell electrolysis, which eliminates the mercury risks found in older production methods. Customers want certificates, not just batch numbers, and our lab keeps detailed analytical records. Chloride contamination, trace iron, and organic residues have to stay lower than the global standards demand. Any slip here can compromise downstream processes, from food emulsification to effluent neutralization.
As manufacturers, we see the consequences of neglecting quality in competitive markets. A single shipment outside specification can halt bottled drink production or stop a paper machine cold. To reduce these risks, we focus on constant communication with our buyers—reporting, sharing test results, discussing field observations, and learning from every batch. This reduces wasted product, downstream rework, and expensive claims for damage.
Continuous supply is another reality for us. The industries we serve operate non-stop, so reliable logistics mean everything. Raw material price surges, shipping bottlenecks, and regulatory changes pile up. After disruptions like regional floods or storms, we coordinate shipments to keep customers running, even if it means crossing state lines or switching to barge delivery. Some years, demand shifts sharply—new regulations around water treatment, upgrades at pulp mills, or expansion in soda bottling plants bring larger or more frequent orders. Our manufacturing investments follow their growth, anchoring supply in industrial zones close to pipelines and major consumers.
Real-world stories highlight the impact: one season, chlorine byproduct soared in price and affected caustic soda output. We doubled down on process control, rotating operators, and worked overtime to buffer finished stock for priority clients. Many of our long-term partners still talk about how consistent product quality during that crunch kept their shutdowns to hours, not days. Long-view planning, not just rapid order fulfillment, gets chemicals into the right place at the right time.
Every regulation brings new challenges. We respond by tracking evolving purity guidelines, waste discharge limits, and health-and-safety rules. Sodium hydroxide storage, transport, and user training fall under more oversight now than at any point in our company’s history. We hold regular workshops for our own technical staff, update batch traceability protocols, and invest in faster, more precise instrumentation. Cleaner chemical production pays off: communities want less waste, and end users place real value on low-impurity supply chains.
Some industries now demand enhanced traceability and sustainability. Caustic soda sourced through membrane processes, with verified control over residual salts and energy inputs, drives more purchasing decisions for multinational firms. We worked with food processors requesting custom reports on sodium carbonate or sodium chloride content. That data now shapes our daily QC routines, and we invest in state-of-the-art separation and monitoring technology to keep up.
Beyond the common applications, caustic soda forms the backbone of numerous specialty syntheses. Surfactant makers depend on caustic soda for processing fatty acids into soaps and detergents. Epoxy resin manufacturers use it to catalyze curing processes and clean reactors. Dyestuff chemists and pigment plants draw on our supply when controlling pH or preparing basic sodium compounds for further reaction. Each sector brings its own standards, but across all of them, stability—batch after batch—counts more than any branded claim. Long-term buyers often visit our facility, wanting to observe how we handle raw brine, power usage, and process automation to ensure repeatability.
Feedback from R&D partners in pharmaceutical and biotech fields taught us the value of micro-level impurity tracking. Many of their synthesis steps cannot tolerate stray metals or organic residues, so our refining and lot-by-lot testing grew more rigorous in response. Joint lab projects explore how minor shifts in caustic soda chemistry affect downstream yields and formation of side products. The learning flows both ways: their discoveries push our standards higher, and our plant operators contribute on-the-ground context for what works in extended full-scale runs.
Experience shows that even longstanding chemicals like sodium hydroxide keep evolving as industries become more sophisticated. The cost of downtime or contamination drives our constant process upgrades and technology investments. Scalable dosing and improved monitoring bring more efficiency and reliability, cutting energy use and waste.
Growing demand in battery recycling and electronics recovery highlights new chapters for caustic soda use. Battery shreds contain mixtures of metals—liquid caustic soda dissolves some compounds to separate valuable elements with less environmental impact. We carefully control purity to avoid introducing contaminants that threaten critical metal yields. Electronics recycling facilities work closely with our technical team to avoid chloride buildup and process disruptions, underscoring that age-old products adapt to new challenges.
Hydrogen production, driven by fuel cell expansion and renewable energy projects, marks another frontier. Electrolyzers working day and night rely on purified caustic soda, supplied in consistent lots, to maintain output. Any drift in sodium concentration or the introduction of trace metals lowers efficiency and raises maintenance costs. We grew our support team after learning how sensitive new synthetic processes can be to the stability of every batch. Quick response, 24/7 support, and shipping transparency turn out to matter as much as the base chemical itself.
Decades of supplying liquid caustic soda taught us it’s never just a commodity. Technical support, transparency, and industry partnership matter as much as purity level or packaging. We invest in people who know process equipment and actual end-use environments, not just lab numbers. Our staff test new filter systems, try out custom dispenser valves, and ride along for customer audits to spot bottlenecks before they become shutdowns.
End users tell us they need less paperwork and more clarity. That might mean creating digital dashboards for real-time batch analytics or integrating delivery schedules with factory automation. Listening and adapting, over time, lead to deeper partnerships. We keep learning how to optimize batching, extend tank life, and reduce disposal costs.
Ultimately, liquid caustic soda links old processes with new possibilities. Its strong alkali character, reliability in use, and adaptability across sectors ensure it remains a backbone of production worldwide. From seeing firsthand how consistent delivery prevents whole plants from grinding to a halt, to troubleshooting storage challenges and fielding late-night calls from engineers under pressure, we draw on long experience to deliver what modern industry really needs.
The future always brings new requirements and challenges, but we stand ready to continue refining our liquid caustic soda so it fits evolving demands—whether for smarter manufacturing, safer supply chains, or a cleaner world.