What is sodium sulfide?

Sodium sulfide is a versatile chemical compound renowned for its remarkable cleaning properties. Whether you’re in the industrial, manufacturing, or household sector, sodium sulfide offers unparalleled benefits for your cleaning needs.

Our sodium sulfide used is commonly in various industries, including the production of dyes, in the paper and pulp industry, and in water treatment.

It has a pungent smell, similarly to rotten eggs, due to the release of hydrogen sulfide gas when it comes into contact with acids.Please note that sodium sulphide can be hazardous if not handled properly. In addition, it’s important to follow safety guidelines when working with this compound.

How is sodium sulfide made?

Sodium sulphid (Na2S)  production is through a chemical reaction between sodium hydroxide (NaOH) and elemental sulfur (S). Here’s a simplified outline of the process:

Preparation of Sodium Hydroxide (NaOH): Sodium hydroxide is a key starting material therefore Its production is through the electrolysis of a solution of sodium chloride (common table salt).

Preparation of Elemental Sulfur (S): Sulfur obtained is from natural deposits or as a byproduct of various industrial processes, like refining petroleum.

Reaction: The sodium hydroxide and elemental sulfur will mix in a reactor vessel. The chemical reaction can be represented as:2NaOH+S→Na2S+H2O

This reaction forms sodium sulfide and water as products.

Separation and Purification: The mixture process is then to separate the sodium sulfide from any impurities, however This may involve filtration, crystallization, or other separation techniques.

Drying: The resulting sodium sulfide is often in the form of a solution. It will commonly dry to obtain the solid compound.

Keep in mind that this is a simplified explanation and industrial production may involve additional steps and optimizations. Above all chemical processes should only be carried out in controlled environments, therefore by trained professionals due to potential hazards associated with certain chemicals.

Sodium Sulfide (Na2S) Exporting and Manufacturing for different usages involves several steps by us as below:

Regulatory Compliance: Ensure you comply with all local and international regulations regarding the export of sodium sulfide therefore, this may involve obtaining licenses or permits.

Market Research: Identify potential markets and buyers for (Na2S). Consider factors like demand, competition, and pricing.

Quality Control

Ensure that the (Na2S) we’re exporting meets the required quality standards. This may involve testing and certification.

Packaging

Properly package the sodium sulfide to prevent leakage or contamination during transit. This usually involves using sturdy, leak-proof containers. It can be Jumbo bag or 25kg bag.

Labeling and Documentation

Clearly label the packages of sodium sulfide with relevant information, including chemical composition, hazard warnings, and handling instructions.

Prepare all necessary export documentation, including invoices, packing lists, and certificates of origin therefore, we labelling according to customer request.

Transportation

Arrange for suitable sodium sulfide transportation, considering factors like distance, mode of transport (sea, air, or land), and any special handling requirements therefore, We use the best and most competitive price lines.

Customs Clearance

Ensure that all necessary (Na2S) customs paperwork is in order. This includes import/export declarations, customs invoices, and any required permits.

Shipping and Logistics

Coordinate the logistics of the sodium sulfide shipment, including booking cargo space, arranging for transport to the port, and handling any intermediate storage or transshipment.

Insurance

Consider sodium sulfide insuring the shipment against any potential damage, loss, or theft during transit.

Payment and Financing

Establish a clear payment method with your buyer. This might include letters of credit, open account terms, or other financial arrangements.

Incoterms

Decide on the Incoterms (International Commercial Terms) that will govern the transaction. These terms specify the responsibilities of the buyer and seller regarding shipping sodium sulfide, risk, and costs.

After-sales Support

We provide any necessary support to the buyer about sodium sulfide.

Such as technical information, safety data sheets, or guidance on handling and storage.

Remember, it’s crucial to have a good understanding of the legal, logistical, and safety aspects of exporting chemicals like sodium sulfide. Consulting with our experts or agencies specializing in chemical exports can be highly beneficial.

Sodium sulfide usages

Application of Sodium sulfide

Pulp and Paper Industry: (Na2S) usage is in the papermaking process to remove lignin from wood pulp, which helps in separating cellulose fibers and producing high-quality paper.

Textile Industry

Its usage is in the production of textiles either, particularly in dyeing processes. It helps to fix dyes on fabrics, allowing for more vibrant and long-lasting colors.

Leather Industry

Sodium sulfide employ is in leather processing to remove hair and other impurities from animal hides and skins therefore, it is good for this industry.

Water Treatment

(Na2S) usage is in wastewater treatment either, as a reducing agent to remove heavy metals from effluents.

Chemical Manufacturing: Sodium sulfide is a precursor for the production of other chemicals, For instance, sodium hydrosulfide, sulfur dyes, and certain types of sulfur compounds.

Mining

In some cases, usage is as a flotation agent in mineral processing, helping to separate valuable minerals from gangue materials.

Photography

(Na2S) has historically usages in photographic processes, although modern alternatives have largely replaced it.

Oil and Gas Industry: Its usage can be for scavenging hydrogen sulfide (H2S) from natural gas streams.

Pharmaceuticals and Agrochemicals: It can be a component in certain chemical processes used to produce pharmaceuticals and agricultural chemicals.

Analytical Chemistry: In laboratories, (Na2S) usage can be as a reducing agent in various chemical reactions.

Remember, sodium sulfide (Na2S) is a chemical compound, and its handling requires appropriate safety measures.

In other words, it’s important to follow proper protocols for storage, transportation, and disposal, and to use personal protective.

Sodium sulfide (Na2S) history

Sodium sulfide (Na2S) has a history that dates back several centuries, therefor, Here are some key milestones in its historical development for instance:

Ancient Use of Sulfur Compounds: Sulfur, from which Sodium sulfide (Na2S) history is derived, has been known and used by humans for thousands of years.

Therefore, ancient civilizations, including the Egyptians, Greeks, and Chinese, were familiar with sulfur compounds for various purposes, for instance, medicinal and industrial applications.

Discovery of Alkali Metals

In the late 18th and early 19th centuries, chemists for instance, Sir Humphry Davy and Antoine Lavoisier made significant advances in the study of alkali metals,

including sodium, therefore, They isolated and characterized sodium as an element.

Synthesis of Sodium sulfide (Na2S) history

The synthesis of sodium sulfide as a chemical compound likely followed the isolation of sodium. The combination of sodium and sulfur would have been recognized as early chemists explored the reactions of these elements.

Industrial Applications Sodium sulfide (Na2S) history: By the late 19th and early 20th centuries, Sodium sulfide (Na2S) found practical applications in various industries, for instance, Its use in the pulp and paper industry, mining, textiles, and chemical synthesis became more widespread.

Advancements in Production Methods: Over time, advancements in chemical engineering and production methods.

improved the efficiency and safety of sodium sulfide production.

Modern Applications

Today, Sodium sulfide (Na2S) continues to be a crucial component in industries, for instance, mining, pulp and paper, textiles, chemicals, water treatment, and specialized applications,

Therefore, Its versatility and utility have solidified its importance in various industrial processes.

Throughout Sodium sulfide (Na2S) history, sodium sulfide’s applications have been driven by its unique chemical properties, particularly its ability to act as a reducing agent and its role in various chemical reactions. It has become an integral part of many industrial processes around the world.

Sodium sulfide (Na2S) specification

The specifications for sodium sulfide (Na2S) can vary depending on its intended use.

The industry standards to which it adheres, therefore, Here are some typical specifications for commercial-grade sodium sulfide:

Chemical Formula: Na2S

Molecular Weight: 78.04 g/mol

Physical Properties:

Appearance: Yellow to red-brown crystalline solid

Density: Approximately 1.86 g/cm³ (at 20°C)

Melting Point: Approximately 1180°C

Solubility: Highly soluble in water, producing a strongly alkaline solution.

Chemical Properties:

Sulfur Content: Typically around 60-62%

Sodium Hydroxide (NaOH) Content: Small amounts may be present due to the basic nature of sodium sulfide.

Iron (Fe) Content: Low levels of iron impurities are often specified.

Water Content: Generally kept low to prevent formation of hydrosulfide ions.

Purity and Grade

Commercial grades may vary in purity, typically ranging from 60% to 85% sulfur content, depending on the intended application.

Packaging

Available in various forms, including flakes, granules, and solution, therefore,

Typically packaged in drums, bags, or bulk containers.

Handling and Safety:

Sodium sulfide is a hygroscopic substance, meaning it absorbs moisture from the air,

Therefore, storage in a dry environment to prevent clumping and degradation is mandatory.

It is a strongly alkaline compound and should be handled with appropriate safety precautions, for instance, wearing protective equipment and ensuring proper ventilation.

Regulatory Compliance

Manufacturers and suppliers of sodium sulfide should provide Material Safety Data Sheets (MSDS) or Safety Data Sheets (SDS).

outlining handling, storage, and safety information in accordance with local regulations, therefore, you can contact us for further information.

It’s important to note that specific specifications may vary depending on the supplier, the intended use, and the industry standards applicable in a given region, in other words, Always refer to the product’s technical data sheet or consult the supplier for precise information on a particular grade of sodium sulfide.

Download MSDS of sodium sulfide

Download specification of sodium sulfide