|
HS Code |
392407 |
| Product Name | Low Iron Sodium Sulphide-10PPM |
| Chemical Formula | Na2S |
| Appearance | Yellow to red flakes or lumps |
| Iron Content | ≤ 10 ppm |
| Purity | ≥ 60% |
| Solubility In Water | Highly soluble |
| Odor | Rotten egg (hydrogen sulfide) |
| Molar Mass | 78.04 g/mol |
| Ph Value | 12-13 (1% solution) |
| Density | 1.86 g/cm³ |
| Melting Point | approx. 118°C |
| Main Use | Leather industry (dehairing and deliming agents) |
| Storage Conditions | Store in cool, dry, and well-ventilated areas |
| Cas Number | 1313-82-2 |
| Hazard Classification | Corrosive, harmful if inhaled or swallowed |
As an accredited Low Iron Sodium Sulphide-10PPM factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 25kg net weight yellow plastic woven bags, double-layer lined, labeled “Low Iron Sodium Sulphide-10PPM,” sealed for moisture protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Low Iron Sodium Sulphide-10PPM: 25MT packed in 1000kg jumbo bags, securely arranged for safe transport. |
| Shipping | Low Iron Sodium Sulphide-10PPM is securely packaged in iron drum or plastic drum with inner liner to prevent contamination and moisture absorption. Standard packaging sizes are 25kg, 50kg, or customized as required. The product is shipped via road, rail, or sea in accordance with hazardous material regulations, ensuring safe delivery. |
| Storage | Low Iron Sodium Sulphide-10PPM should be stored in a cool, dry, well-ventilated area, away from moisture, acids, and oxidizing agents. Keep the container tightly closed and properly labeled. Use corrosion-resistant storage containers, as the chemical may react with metals. Avoid exposure to direct sunlight and incompatible materials to prevent hazardous reactions and degradation of product quality. |
| Shelf Life | Low Iron Sodium Sulphide-10PPM typically has a shelf life of 12 months if stored in a cool, dry, and sealed container. |
Competitive Low Iron Sodium Sulphide-10PPM prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
We know the importance of quality from years of hands-on chemical production. Manufacturing sodium sulphide is not just about meeting spec sheets; it is about pushing material quality to support real-life industrial demands. Across all product lines, technical improvements come from direct experience and from feedback shared by tannery managers, ore processors, dyers, and chemical engineers. When those experts called for a sodium sulphide with low iron content, we invested in the technology and process controls needed to deliver just that. Today, Low Iron Sodium Sulphide-10PPM stands as a core product of our facility. Our team sees every shipment as a testament to consistent, clean chemistry that provides value to our partners’ processes every step of the way.
Sodium sulphide itself forms the backbone of several major industries. Its primary use sits in leather tanning, mineral extraction, dye manufacturing, and a few other core segments. From a factory view, the typical sodium sulphide (Na2S) available on the market contains residual iron ions. That iron content is not just an incidental contaminant—it interacts with process materials in substantial ways. Years ago, complaints about patchy dyeing, brownish streaks in hides, and staining during ore flotation almost always traced back to iron contamination from the sodium sulphide source. Each time a batch failed, production lines slowed down, operators lost time, and extra chemical washes came into play just to undo unintended side effects.
Our plant managers and chemists spent months lowering these iron levels in process tanks and reactors. Holding iron less than 10 parts per million (ppm) is not a standard requirement but grew from direct demand by those needing to eliminate unexpected iron reactions mid-process. Achieving that threshold requires investment into multi-stage purification. Raw sodium sulphide solutions naturally draw iron from production equipment, supply water, and raw materials. Each plant review slowly cut down those routes. Now, final material leaves our site with iron below 10ppm, batch after batch.
Common sodium sulphide options on the market report iron contents ranging anywhere between 30, sometimes even more than 100ppm. “Standard grade” sodium sulphide often gives just enough sodium sulphide for leather dehairing or ore flotation, but iron stays a wildcard. Some suppliers might blend, but that rarely keeps real iron levels reliably low, especially through temperature cycles and storage. That inconsistency costs our customers downstream—washed hides get stained, dyed products come out uneven, and mineral concentrates carry iron stains that trim resale value or require extra cleaning steps.
Our Low Iron Sodium Sulphide-10PPM walks a different path. We champion real transparency, so we support all outgoing shipments with spectrometric verification on iron levels, signed off by on-site lab techs. As the actual manufacturer, we see how iron impacts every stage of use, especially in leather and color industries. Partners who switched to our product regularly report a drop in rejects and less reliance on secondary purification processes for their finished goods.
Industrial users rarely get the luxury of “good enough” on raw material purity. Trace iron brings hidden costs that surface months later. In the tanning business, iron has a habit of producing hard-to-remove yellow and brown stains on finished leather. That isn’t just a matter of appearance—it downgrades lots, sends product for reprocessing, and adds real cost to meet export quality targets. Iron-laden sodium sulphide undercuts dye bath clarity too, shifting final color fastness, introducing haze, and sometimes triggering unexpected precipitation that forces line stoppage. In mining, high levels of iron ruin selectivity during ore flotation. Floatation engineers lose efficiency; recovery drops, and, worst case, valuable minerals sink instead of float.
Our engineering and production teams drilled into this at every step. We designed reactors and filtration steps aimed only at dragging iron out. We built storage and transfer using food-grade stainless steel and lined components to cut out contamination. Batch logs track iron at every critical control point in line. Operators and line managers in our plant know if iron levels rise, it isn’t theoretical—product will not leave our site, even if that means a delayed shipment.
Raw sodium sulphide starts as an aqueous solution, drawing source materials and reacting at high temperatures. Achieving less than 10ppm iron meant rethinking water sources, seal materials, and production parameters—not one single adjustment, but a constant pursuit across entire runs. Our in-line filtration stages use fine-grade media, and laboratory teams routinely test samples pulled from storage vessels, transfer lines, and product drums. With quality reflected by the product itself, not just documents, we have nothing to hide about how this product is made.
Low iron levels do not result from blending or dilution; they stem from direct removal of contamination at each stage of the manufacturing chain. Production workers understand why this matters. Every batch gets personally checked—no shortcuts. The plant quality lab uses everything from colorimetric to ICP-OES spectrometric analysis. Our teams communicate findings daily, and managers sign off only when results confirm the target, verified by samples from the actual finished lot, not theoretical blend estimates. What our customers get matches what our staff sees on the bench—real, batch-level evidence, not marketing-driven paperwork.
Sodium sulphide comes in different forms, each suited for a different application—flake, granule, or powder. Our Low Iron Sodium Sulphide-10PPM meets industry demands in standard physical forms suited to the process in question—flaked for fast dissolution, granular where dust control matters most. Each output form leaves our plant with the same careful iron control. Chemically, we keep sodium sulphide content high, with moisture and sodium carbonate kept at practical, minimal levels through tightly controlled drying cycles. The real focus, though, remains on the active ingredient and its purity—clean Na2S with iron at trace levels.
Consistency builds trust. Customers who buy from traders or resellers cannot always trace purity back to real manufacturing controls. Our repeat partners never worry about random spikes in contamination; instead, they recognize tighter process windows with every delivery. That starts with us controlling everything from incoming raw material approval to outbound freight container cleanliness. Dedicated production lines, compatible equipment, and strict tableting/granulation procedures mean every batch matches our promise.
Leather Tanning: Tannery operators using our product solve the persistent issue of iron-stained hides and uneven grain. Fewer stains means less rework, faster drum cycles, and smoother throughput—all confirmed by site visits and post-implementation feedback from regional tanneries. For export-grade leather, this brings measurable value, especially as buyers increasingly test for trace contaminants, not just bulk appearance.
Ore Flotation: Mining engineers working on non-ferrous flotation depend on “invisible” sodium sulphide so iron does not act as a competing ion. Cleaner separations, higher yield, and fewer downstream treatment chemicals stand as direct benefits. Our teams regularly work with metallurgists to review assay results, drawing a direct line from sodium sulphide purity to mineral recovery rates that meet or exceed global benchmarks.
Dye Manufacturing: Dye houses require color consistency often down to parts per thousand. Even trace iron produces color variance—especially in light or pastel shades. With our 10ppm product, dye makers report virtually zero iron-induced shade drift, supporting reliable batch-to-batch matches and lower waste rates. Those savings turn up directly as higher yields and repeat buyer orders, year after year.
Other Industrial Uses: The low iron grade brings improvements to pulp and paper, chemical synthesis, and specialty applications where catalyst stability depends on known iron backgrounds. Over-the-fence partnerships built on reliability show in survey feedback—less troubleshooting, less downtime, and better compatibility with high-purity downstream chemistries.
Decades spent in production show us that many industry issues compound over time. Chronic, trace contamination eats away at process efficiency and inflates hidden costs. As jobs move to higher specification export markets and environmental oversight grows, outdated sodium sulphide grades no longer cut it. Customers operating in more regulated environments require verifiable low-iron content—not just verbal assurances or unconfirmed “premium” labeling.
We take this demand seriously. Customers facing recurring issues with other suppliers often approach us after quality audits or external failures. To support them, our technical staff shares not only certificates of analysis but also production logs and chain-of-custody records when required. More than one partner has used our data to upgrade their internal QA protocols or pass new supplier audits set by overseas buyers or regulatory agencies.
Raising standards sometimes means educating the next link in the chain. To that end, we provide on-site application training, walking through material handling and storage best-practices to reduce recontamination risk. Our real-world approach focuses on results, not marketing claims. Open doors mean facility tours—many of our ongoing customers have seen exactly how, and where, every drum gets made and filled.
While it helps to control every aspect of manufacturing, some contamination risks extend beyond plant gates. Open storage, leaky drums, exposed transfer lines—each can allow trace iron to creep back in before product hits the actual process. We recommend integrated solutions, like closed-loop transfer from factory drum to in-plant tank, and airtight handling with proper seals and gaskets—especially for those operating in humid or high-dust environments. Even with 10ppm-grade product, final results depend on keeping that purity intact from reception to use.
Working with chemical teams on the user side, we also share know-how on in-house iron detection—colorimetric kits or titration procedures help spot contamination issues quickly, cutting downtime. For new installations or process overhauls, our engineers consult on materials compatibility and suitable transfer line materials to ensure that months of effort in the factory aren’t undone by ten minutes of exposure on-site.
Industrial partners dealing with highly sensitive systems sometimes opt for specialty packaging—multilayer bags or sealed inner liners. We worked collaboratively with major buyers to trial and implement these packaging changes, tracking outcome both on the production floor and in the finished goods lab. Little improvements along the supply chain mean the product performs as intended.
Day-to-day experience in sodium sulphide production teaches respect for supply chain reliability. The industry keeps looking for greater proof—traceable, repeatable, and cost-effective improvements that bring real process advantages. Our responsibility is to supply not just a chemical, but a performance benefit, every time. Low Iron Sodium Sulphide-10PPM owes its success to relentless pursuit of quality, technical feedback from real-world operations, and a simple idea: cleaner raw materials mean fewer problems at the user’s site.
For buyers searching beyond generic sodium sulphide, this product brings real assurance—whether that target is brighter leather, higher mineral recoveries, or tighter dye lot color control. By managing every stage ourselves and standing by every shipment with lab-verified data, we enable our partners to cut hidden costs and improve their own bottom line. Each discussion, each sample, and every customer visit shapes how we refine and deliver Low Iron Sodium Sulphide-10PPM. We do not make empty promises; we deliver answers and real value for those who expect more from their chemical supplier.