Sodium Lignosulfonate (Sodium Lignin Sulfonate, Lignosulfonic Acid Sodium Salt) CAS 8061-51-6

Sodium lignosulfonate is a green, environmentally friendly, and cost-effective anionic surfactant and dispersant derived from a byproduct of the papermaking industry (sulfonated lignin produced by the sulfite process). It represents a high-value utilization of renewable biomass resources.

Phone :+86 13165319682
WhatsApp :+86 13165319682
Email :admin@sdhf-chemical.com
Send Inquiry →

Product Description

It possesses excellent dispersibility, chelation, and binding properties, and is widely used in concrete water-reducing agents, water treatment dispersants, dye/pigment dispersants, pesticide suspensions, coal-water slurry dispersants, ceramics/refractory materials, oil drilling, and feed additives. The product is available in multiple grades, including industrial grade (concrete water-reducing agent grade, water treatment grade, dye dispersant grade, oilfield grade, and feed grade) and refined modified grade. It strictly adheres to standards such as HG/T 4088-2009, supports small-batch trial orders and customized packaging, and leverages major ports such as Qingdao Port, Tianjin Port, and Shanghai Port for efficient and hassle-free export.

Product Information

ItemDescription
Product NameSodium Lignosulfonate (Sodium Lignin Sulfonate)
CAS No.8061-51-6
EINECS No.616-024-4
Molecular FormulaNo fixed molecular formula (polymer)
AppearanceYellowish-brown to dark brown powder with characteristic lignin odor
Main TypesIndustrial Grade (Concrete Water Reducer) : For concrete water reducers, coal-water slurry dispersants, refractory binders. Largest volume, most cost-effective grade.
Industrial Grade (Water Treatment/Dispersant) : For water treatment dispersants, dye dispersants, pesticide suspension agents, ceramic body strengtheners.
Industrial Grade (Oilfield/Drilling) : For drilling mud thinners, viscosity reducers, oil displacement agents.
Industrial Grade (Feed/Pellet Binder) : For animal feed pellet binders, powder granulation binders.
Refined/Modified Grade: Higher purity, lighter color, more stable performance. For high-end water treatment, specialty building materials, fine chemicals.
Key Physical & Chemical PropertiesAppearance: Yellowish-brown to dark brown powder; Bulk Density: approx. 0.5-0.7 g/cm³; Solubility: freely soluble in water, insoluble in ethanol, acetone; pH (1% solution): 7.0-9.5; Anionic surfactant properties (foaming, dispersing, emulsifying); Good dispersing, chelating and binding properties; Thermally stable; Renewable resource origin.
Typical SpecificationsLignosulfonate Content: ≥92%-95%; Reducing Substances: ≤3%-5%; Moisture: ≤5%-8%; pH (1% solution): 7.0-9.5; Water Insolubles: ≤0.5%-1.0%; Ca/Mg: ≤0.1%-0.5%; Sulfates (SO₄): ≤3%-5%; Chlorides (Cl): ≤0.1%-0.3%.
FeaturesExcellent dispersing performance for cement, pigments, dyes, pesticides, coal powder, ceramic powder; good chelating ability (Ca, Mg, Fe); good binding properties for granulation; anionic surfactant properties; green and eco-friendly (renewable, biodegradable); cost-effective.
Main ApplicationsConcrete Admixtures (largest application, ~40%-50%): As water reducer (reduces water by 8%-15%), improves workability and strength. Used in conventional concrete, precast, mass concrete, road/bridge projects.
Water Treatment Dispersant: As scale dispersant for industrial circulating cooling water, boiler water treatment, RO pretreatment; disperses calcium/magnesium scale, iron scale, silica scale; cost-effective alternative to synthetic polymers.
Dye/Pigment Dispersant: For dyes, pigments, color pastes production; improves grinding efficiency and storage stability; prevents particle sedimentation; widely used in reactive dyes, disperse dyes, vat dyes.
Pesticide Suspension Concentrate: As dispersant and suspension stabilizer for pesticide SC and WDG formulations; improves suspension rate and stability.
Coal-Water Slurry Dispersant: Reduces slurry viscosity, increases coal concentration and flowability; improves combustion efficiency.
Ceramics/Refractories: As body strengthener and water reducer; improves green body strength and slurry flowability.
Oil Drilling: As drilling mud thinner and viscosity reducer; improves rheological properties; used in oil displacement for enhanced oil recovery.
Feed Additive: As pellet binder; improves pellet formation rate and durability.
Others: Leather tanning auxiliaries, fertilizer granulation binder, carbon black binder, foundry binder, soil conditioner, electroplating additives.
Packaging25kg woven bags (PE liner, paper-plastic composite); 500kg/1000kg jumbo bags; custom packaging available.
Storage ConditionsStore in cool, dry, well-ventilated warehouse; keep sealed to prevent moisture; avoid strong oxidizers, acids, alkalis; shelf life 12 months.
Shipping RequirementsNon-hazardous cargo; protect from moisture and rain; handle with care.
Quality StandardsIndustrial Grade: GB/T 8077-2023 (Test methods for concrete admixtures) and HG/T 4088-2009 (Sodium lignosulfonate).


Factory Showcase

拼图_美图设计室-(1)

Quality Control Lab

实验室

Shipping And Transportation

拼图_美图设计室

FAQ

Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

Contact Us

Submit

Recommendation