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An authoritative analysis of chemical properties, market drivers, and structural procurement criteria for multi-national supply chain managers.
Sodium Sulphide ($Na_2S$) is an essential inorganic salt widely implemented across heavy industrial operations. Key applications include copper ore beneficiation, Kraft pulping processes, depilatory treatment in leather processing, and heavy metal removal in municipal sewage systems. Its high solubility in water renders it a potent reducing agent, facilitating optimal chemical processes at varying thermal thresholds.
For chemical procurement departments, locating a certified manufacturer is crucial. Since industrial-grade Sodium Sulphide is classified under UN Number 1849 (Corrosive Solid, Basic, Inorganic, N.O.S.), strict compliance with trans-regional maritime shipping regulations, European chemical requirements, and environmental safety directives is mandatory.
The utility of Sodium Sulphide is dictated by its purity, crystallization level, and particularly its iron content. The chemical is typically available in yellow flakes (often low-iron grade, containing 10ppm to 30ppm of Fe) and red flakes (standard grade containing 80ppm to 150ppm of Fe).
High-end paper production and delicate leather processing demand low-iron yellow flakes. The presence of excess iron can stain pulp yellow or degrade the structural fibers of premium bovine hides during the unhairing phase. Consequently, maintaining tight quality control limits over trace elements is a key differentiator for premium global suppliers.
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.
We uphold 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.
Technical analysis and grades of Sodium Sulphide manufactured under CE certification. Standard parameters verify suitability across applications.
| Analytical Parameter | Yellow Flakes (Low-Iron Grade) | Red Flakes (Standard Grade) | Methodology / Standard |
|---|---|---|---|
| Sodium Sulphide ($Na_2S$) Content | ≥ 60.0% min | ≥ 60.0% min | GB/T 10500-2009 Titration |
| Iron ($Fe$) Concentration | ≤ 10 ppm - 30 ppm max | ≤ 80 ppm - 150 ppm max | ICP-OES Spectrometry |
| Sodium Carbonate ($Na_2CO_3$) | ≤ 1.5% max | ≤ 2.0% max | Standard Acid-Base Titration |
| Sodium Sulphite ($Na_2SO_3$) | ≤ 1.0% max | ≤ 1.5% max | Iodometric Analysis |
| Water Insolubles | ≤ 0.10% max | ≤ 0.20% max | Gravimetric Method |
| Visual Appearance | Bright Yellow Flakes / Crystals | Red / Pink Flakes or Solid Cakes | Visual Inspection |
How Shandong Pulisi Chemical advances manufacturing methods to minimize carbon footprints while improving product stability.
How our customized Sodium Sulphide products resolve operational bottlenecks across primary global market sectors.
With strategic warehouse infrastructure at major logistics gateways, Shandong Pulisi guarantees prompt order fulfillment and optimized transport routes.
Six fundamental reasons why global chemical buyers and mining operations choose us for high-grade chemical raw materials.
High-purity chemical variants produced under strict quality control guidelines.
Shandong Pulisi complies with major chemical quality systems and regional environmental standards.
ISO Certificate (valid to 2028)
FAM-1134
Kosher Certificate
Halal Certificate
ISO 9001 Certificate
Acetic Acid SGS
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Sodium Formate SGS
Sodium Hydrosulfide SGS
Celebrating key milestones and official recognition received throughout our operational history.
We regularly connect with global partners, clients, and technical experts at major international chemical trade fairs.
Collaborations with leading enterprises reflect our dedication to quality, regulatory compliance, and consistent supply.
Technical and logistics details concerning Sodium Sulphide procurement, compliance, shipping, and quality assurance.
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