High-performance industrial chemicals manufactured to strict international quality standards, backed by global supply chain networks.
Sodium Sulfide (Na₂S) in its yellow flake configuration represents a vital inorganic compound heavily employed across diverse heavy industries. Known for its strong alkalinity and robust reducing agent properties, this chemical is synthesized via high-temperature reduction processes, commonly using sodium sulfate and pulverized carbonaceous materials. The resulting yellow flakes typically hold a concentration of 60% active Na₂S, with the color variation influenced by trace levels of iron oxides.
Understanding the molecular dynamics and chemical specifications is paramount to optimizing downstream chemical processes. High-quality yellow flakes feature low iron concentration (usually categorized under 10 ppm, 20 ppm, or 30 ppm depending on synthesis routes), which prevents staining and undesired secondary reactions in sensitive applications like textile dyeing or premium leather processing.
Due to its high water solubility and tendency to release toxic hydrogen sulfide (H₂S) gas in contact with acids, navigating the storage, hazard profiles, and chemical handling of Na₂S requires deep technical knowledge and a strict safety protocol alignment.
Shandong Pulisi Chemical enforces strict analytical control to meet localized demand patterns. Below are the key indicators for industrial-grade vs. low-iron yellow flakes:
| Parameters | Industrial Grade (Na₂S 60%) | Low Iron Flakes (Na₂S 60%) |
|---|---|---|
| Sodium Sulfide (Na₂S) Min. | 60.0% | 60.0% |
| Iron (Fe) Max. | 150 ppm | 10 - 30 ppm |
| Sodium Carbonate Max. | 2.0% | 1.5% |
| Water Insolubles Max. | 0.4% | 0.2% |
| Sulfites (as Na₂SO₃) Max. | 1.5% | 1.0% |
Mapping the future of Sodium Sulfide distribution, regulatory evolutions, and regional demand dynamics.
The sodium sulfide manufacturing base is consolidating toward regions with robust chemical supply chains and strict safety controls. China manufacturers, specifically in industrial areas like Shandong, maintain an operational edge through integrated coal gasification, power access, and direct raw material supply chains. Strict environmental regulations continue to phase out uncompliant, low-efficiency producers, leading to stable, long-term supply agreements with larger chemical entities.
There is a pronounced surge in the demand for Low-Iron Sodium Sulfide Yellow Flakes. As sectors like consumer fashion require premium, unstained leather and higher-quality textiles, standard 150ppm grade sulfur sources are being replaced by ultra-pure variants. Furthermore, the rising integration of polyphenylene sulfide (PPS) plastics in automotive and aerospace fields necessitates sodium sulfide as a direct monomer intermediate, requiring strict molecular consistency.
Global logistics regulations are placing greater scrutiny on hazardous chemicals. Sodium Sulfide is classified as Class 8 corrosive cargo under UN 1849. Exporters are compelled to navigate complex international safety protocols. Strict regulatory frameworks like Europe's REACH, K-REACH, and complex shipping assessments are reshaping the chemical buying process, making certified producers the primary partners for MNCs.
Shandong Pulisi Chemical Co., Ltd. was established in 2006 (Stock Code: 307785). The company focuses on petrochemicals, mining chemicals, feed chemicals, and pharmaceutical chemicals. At present, the company has established long-term and stable partnerships with Fortune Global 500 companies such as China National Petroleum Corporation and Saint-Gobain. We always take customer demand as the core orientation and provide tailored solutions to help customers strengthen their market competitiveness.
The company has passed ISO9001:2015 Quality Management System Certification and German BV Certification, and has been awarded multiple honors such as Foreign-Oriented Economic Enterprise, Alibaba Demonstration Base, and Contribution Enterprise. In 2023, the company successfully went public with stock code: 307785.
The company upholds the corporate culture philosophy of “Customer First, Rapid Response; Striving as the Foundation, Efficient Collaboration; Integrity and Uprightness, Agile Adaptation.” We focus on providing compliant and high-quality products and supporting services, and are committed to becoming a long-term and stable partner for customers.
Meanwhile, the company has established mature warehousing and distribution systems at key logistics hubs, including Qingdao Port, Tianjin Port, and Xinjiang border ports (Alashankou, Khorgos). We are able to provide flexible supply solutions according to customer needs to ensure timely order delivery. No matter where customers are located, Shandong Pulisi Chemical will safeguard their business development with professional service systems and efficient response capabilities.
We always adhere to the mission of "creating value for customers and making their products better," based on reputation and guaranteed by service. We look forward to strengthening cooperation with partners to create a future together!
Extensive range of mining, construction, textile, and industrial chemical solutions manufactured under strict operational governance.
Discover how our chemical agents serve essential processing functions across global industrial sectors.
Chemicals For Textile, Printing & Dyeing & Leather
Agricultural Chemicals, Food And Feed Additives
Chemicals For Construction And Coatings
Chemicals For Mining
Chemicals For Oil Drilling
Disinfectant And Solvent Chemicals
Chemicals For Water Treatment
Plastic Raw Material
We provide comprehensive systems that assist operators in solving major structural problems:
To remain competitive as a leading global manufacturer, Shandong Pulisi is upgrading production pipelines toward decarbonization and ultra-high purity outcomes.
Minimizes chemical exposure to oxygen during flaking, dropping impurity levels (such as iron oxides and carbonate accumulation) to less than 10ppm.
Implementing sulfur gas capture systems that reuse process off-gas to synthesize high-grade sodium hydrosulfide (NaHS), eliminating sulfur dioxide emissions.
Our commitment to verified product purity, trace environmental impact, and globally compliant trading standards.
Pulisi actively connects with worldwide chemical buyers and trade councils, establishing strategic channels for regional logistics.
Pioneering compliant operations and high safety management standards in the chemical export sector.
Establishing chemical procurement alliances calls for a balancing act between price integrity, consistent material output, and regulatory certainty.
We work in lockstep with leading industrial groups and logistics authorities to streamline supply frameworks.
Critical commercial and logistical queries addressed by our expert technical sales team.
Yes. We support custom packaging options. You can send us your logo designs, and we will prepare layout templates matching maritime shipping regulations for hazardous materials (including UN-marked packaging).
Whether you are a global enterprise or a developing regional distributor, we look forward to building a long-term business relationship. Please contact our sales team to discuss initial trial configurations.
We always prioritize our customers' competitiveness. Price points fluctuate depending on chemical market conditions, raw materials cost index, order volume, and packaging configurations. We guarantee highly competitive FOB/CIF terms.
Yes, we provide free analytical-grade chemical samples for qualified industrial buyers to complete lab screening and assay validation before placing full commercial orders.
Absolutely. Shandong Pulisi maintains warehouse networks across major trade terminals like Qingdao and Tianjin ports. These domestic hubs guarantee prompt container load-out and sailing, keeping logistics on track.
We offer flexible credit and payment options, accepting T/T (Telegraphic Transfer), L/C (Letter of Credit) at sight, D/P (Documents Against Payment), and O/A (Open Account) terms based on credit evaluation.
You are welcome to visit our company headquarters in Zibo, Shandong Province, China. Our facilities are located roughly a 1.5-hour drive from Jinan Yaoqiang International Airport.
You can submit an inquiry through our sales portal, or contact your assigned account manager directly. We will provide detailed quotations, proforma invoices, and step-by-step guidance through the chemical export process.
Browse our broader range of raw materials supporting mining, polymer production, and synthesis loops.
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