Acidulants
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Sodium Sulphide 25kg
Whatsapp Order
Sodium Sulphide (Naâ‚‚S) is a yellow to red-yellow crystalline solid or powder with a characteristic odor of hydrogen sulfide. It is highly soluble in water, forming strongly alkaline solutions. This 25kg packaged product is widely used in the chemical, leather, pulp and paper, and textile industries as a reducing agent, sulfur donor, and in flotation processes. Due to its strong reducing properties and reactivity, it must be handled with care under proper safety measures.
Description
Uses
Primary UsesÂ
Leather Industry
- Dehairing Agent: Used in the liming and dehairing steps of leather processing to remove hair and other unwanted components.
- Tanning Agent: Facilitates sulfide tanning processes.
Pulp & Paper Industry
- Kraft Pulping: Acts as a reducing agent and chemical in the kraft process to break down lignin and facilitate pulp production.
- Deinking Process: Used to remove inks and other contaminants from recycled paper.
Chemical Industry
- Sulfur Source: Provides sulfide ions for the synthesis of various sulfur-containing chemicals.
- Flotation Agent: Used in mineral processing to separate ores via flotation techniques.
- Redox Reactions: Employed as a reducing agent in organic and inorganic chemical syntheses.
Textile Industry
- Bleaching and Dyeing: Used in vat dyeing and as a bleaching agent to remove excess dye.
- Reducing Agent: Maintains reducing environments during dyeing processes.
Water Treatment
- Oxygen Scavenger: Removes dissolved oxygen from boiler water to prevent corrosion.
Environmental Applications
- Wastewater Treatment: Used to precipitate heavy metals and neutralize acidic wastes.
Secondary Uses
Pharmaceutical Industry
- Intermediate: Used in small quantities for synthesis of some pharmaceutical compounds.
Mining Industry
- Ore Processing: Employed in the flotation and extraction of sulfide ores.
Laboratory & Research
Reagent: Utilized as a reducing agent in various analytical and synthetic procedures.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): Sodium sulfide
- Common/Trade Name: Sodium sulphide, Sodium sulfide nonahydrate (if hydrated)
- CAS Number: 1313-82-2
- HS Code: 2830.20.00
- Synonyms: Sodium sulfide, Disodium sulfide, Sodium sulfide hydrate (depending on form)
Physical & Chemical Properties
- Physical State: Yellow to red-yellow crystalline solid or powder
- Color & Odor: Yellow; strong odor of Hâ‚‚S (hydrogen sulfide)
- Solubility: Highly soluble in water, releasing alkaline and sulfide ions
- Density: 1.856 g/cm³ (anhydrous)
- Melting Point: 1180 °C (decomposes)
- pH (aqueous solution): Strongly alkaline (pH ~11-14)
- Appearance: Crystalline or granular solid, hygroscopic
Safety & Hazard Attributes
- GHS Classification:
- Acute Toxicity (Oral) Category 4
- Skin Corrosion/Irritation Category 1B
- Serious Eye Damage/Eye Irritation Category 1
- Acute Toxicity (Inhalation) Category 3
- Hazardous to the Aquatic Environment (Chronic) Category 2
- Toxicity: LDâ‚…â‚€ (oral, rat) ~ 207 mg/kg
- Exposure Limits: OSHA PEL: 5 mg/m³ (as sulfide dust/mist)
- Corrosivity: Strongly corrosive to skin and eyes
- Odor Warning: Emits toxic and flammable hydrogen sulfide gas when exposed to moisture or acids
Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from moisture, acids, and oxidizers
- Container Type: 25kg HDPE drums or lined bags, tightly sealed
- Shelf Life: 12 months under proper storage
- Handling Precautions: Use personal protective equipment; avoid contact with skin, eyes, and inhalation; store separately from acids and moisture sources
Regulatory & Compliance Attributes
- REACH Registered
- Complies with OSHA Hazard Communication Standard
- UN Number: UN 1829 (Sodium Sulfide, solid, toxic)
- Transport Classification: Class 6.1 Toxic substances
Environmental & Health Impact
- Biodegradability: Not biodegradable
- Ecotoxicity: Toxic to aquatic life; LCâ‚…â‚€ (fish) approx. 10 mg/L
- Bioaccumulation: Not expected
Aquatic Impact: Harmful if released into water bodies
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Chemical-resistant gloves, goggles, face shield, respiratory protection in dusty or fume conditions
- Handling Guidelines: Use in well-ventilated areas; avoid moisture contact; use spill containment measures
- Storage Measures: Keep containers tightly closed; isolate from incompatible substances
First Aid Measures
- Inhalation: Move to fresh air immediately; seek urgent medical attention for breathing difficulties
- Skin Contact: Rinse immediately with plenty of water for at least 15 minutes; remove contaminated clothing; seek medical help
- Eye Contact: Rinse thoroughly with water for at least 15 minutes; get immediate medical attention
- Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical attention
Firefighting Measures
- Fire Hazards: May release toxic hydrogen sulfide gas when exposed to acids or moisture
- Extinguishing Media: Use water spray, dry chemical, or foam; avoid dry powders that react violently
- Hazardous Combustion Products: Hydrogen sulfide (Hâ‚‚S), sulfur oxides (SOx)
Related products
Mono Ethanol Amine
Mono Ethanol Amine (MEA) is a clear, colorless, hygroscopic liquid with an ammonia-like odor. It is an organic chemical compound combining both amine and alcohol functional groups. MEA is widely used as a versatile chemical intermediate and is especially important in gas treatment, detergents, and chemical manufacturing due to its alkalinity and solubility in water and organic solvents.
Phosphoric acid Technical Grade
Product Description
Phosphoric Acid Technical Grade is a concentrated, inorganic acid primarily used in industrial applications. It typically contains minor impurities compared to food or pharmaceutical grades but maintains excellent performance as an acidulant, rust remover, and intermediate chemical. This grade is widely used in manufacturing fertilizers, detergents, metal treatment, and other industrial processes where high purity is not critical but effective acidic properties are required.
Sodium Hexametaphosphate (SHMP)
Sodium Hexametaphosphate (SHMP) is a white, granular or powdery inorganic compound composed of sodium and metaphosphoric acid polymers. It is highly soluble in water and acts as an effective sequestrant, dispersing agent, and water softener. SHMP is widely used across various industries including food processing, water treatment, detergents, ceramics, and metallurgy. It helps control hardness, prevent scale formation, and stabilize formulations, making it valuable in both industrial and consumer applications.
Sodium Hexametaphosphate (SHMP)
Sodium Hexametaphosphate (SHMP) is a white, granular or powdery inorganic compound composed of sodium and metaphosphoric acid polymers. It is highly soluble in water and acts as an effective sequestrant, dispersing agent, and water softener. SHMP is widely used across various industries including food processing, water treatment, detergents, ceramics, and metallurgy. It helps control hardness, prevent scale formation, and stabilize formulations, making it valuable in both industrial and consumer applications.
Sodium Metasilicate Anhydrous
Sodium Metasilicate Anhydrous is a white crystalline solid known for its alkaline properties and high solubility in water. It is widely used in industrial cleaning, detergent formulations, water treatment, and as a corrosion inhibitor. The anhydrous form is preferred where moisture sensitivity is a concern. It acts as a strong alkaline builder, improving the effectiveness of detergents and degreasers. This product is also used in adhesives, cement, and ceramics due to its binding and strengthening properties.
Sodium Metasilicate Pentahydrate
Sodium Metasilicate Pentahydrate is a white crystalline solid containing five molecules of water of crystallization. It is widely used for its alkaline and detergent properties, making it effective in cleaning, water treatment, and as a corrosion inhibitor. The pentahydrate form is commonly preferred in detergent and industrial applications where controlled moisture content is beneficial. It dissolves readily in water, forming strongly alkaline solutions useful in various industries.
Sodium Nitrite
Sodium Nitrite is an inorganic white to slightly yellowish crystalline powder with the chemical formula NaNOâ‚‚. This versatile chemical serves as a powerful reducing agent, corrosion inhibitor, and food preservative, widely used in meat curing, pharmaceutical synthesis, and industrial applications. Its oxidative properties make it valuable for dye manufacturing and rubber processing while requiring careful handling due to its toxicity.
Sulphonic Acid (LABSA) 90%
Sulphonic Acid, commonly known as Linear Alkyl Benzene Sulphonic Acid (LABSA) 90%, is a high-quality anionic surfactant widely used as a key raw material in the detergent and cleaning products industry. It is produced by sulfonation of linear alkyl benzene, resulting in a biodegradable, highly effective wetting and foaming agent. The 90% concentration grade offers excellent performance in formulation of powders, liquids, and specialty detergents.
