Product
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Sodium Acetate
Product Parameters
Basic Properties
Physical Properties
Appearance: Colorless to white crystals or powder.
Odor: Slightly acetic acid odor or almost odorless.
Solubility: Very soluble in water, soluble in ethanol.
pH: Its aqueous solution is weakly alkaline. This is because the acetate ion undergoes hydrolysis: CH₃COO⁻ + H₂O ⇌ CH₃COOH + OH⁻.
Melting Point: The trihydrate melts in its own water of crystallization at approximately 58°C.
Hygroscopicity: Anhydrous sodium acetate is hygroscopic.
Chemical Properties
Weak Salt Acid: As a salt formed from a weak acid (acetic acid) and a strong base (sodium hydroxide), its aqueous solution has buffering capacity.
Thermal Stability: Upon heating, the trihydrate melts first, dehydrating to anhydrous form. Under strong heat (above approximately 324°C), anhydrous sodium acetate decomposes into sodium carbonate and acetone.
Main Applications
1. Industrial Applications
Textile Dyeing: Used as a neutralizing agent and buffer in the textile industry to ensure the dye bath operates under stable pH conditions, improving dyeing results and uniformity.
Electroplating Process: Used as a buffer in electroplating solutions to stabilize pH values.
Concrete Additive: Used as an antifreeze and retarder in concrete, aiding in concrete construction at low temperatures.
Rubber Industry: Used as a coagulant in the production of synthetic rubber (such as neoprene).
2. Food Industry
Preservatives: Inhibit microbial growth by adjusting pH values, extending the shelf life of food.
Acidity Regulators: Used to adjust the acidity or alkalinity of food, improving flavor and stability.
Flavoring Agents: Can be used as seasonings to provide a slight saltiness or enhance flavor; commonly used in potato chips, snacks, etc.
3. Medical and Biochemical Applications
Hemodialysis Fluid: An important component of hemodialysis fluid, used to correct acidosis and replenish the body's buffering system.
Buffers: Used in pharmaceutical and biological laboratories to prepare buffer solutions and maintain pH stability in reaction systems.
4. Other Applications
Heat Packs: Utilize the supersaturated properties of sodium acetate trihydrate. Crystallization is triggered by twisting a metal sheet; the released heat of crystallization (heat of fusion) can provide a temperature of approximately 50-60°C, used in hand warmers, body heat packs, etc.
Defrosting Agents: As an environmentally friendly defrosting agent, it is less corrosive to concrete and metals than sodium chloride (table salt), but its potential environmental impact (eutrophication) still needs attention.
Safety Precautions
Health Hazards
Irritation: Mildly irritating to eyes, skin, and respiratory tract. Dust may cause sneezing.
Ingestion: Large amounts may cause nausea, vomiting, and abdominal pain. Although low toxicity, industrial-grade products should not be intentionally ingested.
Inhalation: Avoid inhaling dust, which may irritate the respiratory tract.
Environmental Hazards
Sodium acetate itself has low toxicity but decomposes in water. Large releases into the environment may cause changes in water pH and deplete oxygen in the water, indirectly affecting aquatic life.
Safe Handling and Storage
Handling: Handle in a well-ventilated area to avoid dust generation. Wear appropriate protective equipment such as dust goggles, gloves, and a mask.
Storage: Store in a cool, dry, well-ventilated place. Sodium acetate trihydrate should be stored in a sealed container to prevent efflorescence (loss of water of crystallization). Anhydrous sodium acetate requires strict moisture protection.
First Aid Measures
Eye Contact: Immediately flush with plenty of water for at least 15 minutes and seek medical attention.
Skin contact: Wash thoroughly with soap and water.
Inhalation: Move to fresh air.
Ingestion: Rinse mouth, drink plenty of water, do not induce vomiting. If discomfort persists, seek medical attention immediately.
Stability and Reactivity
Stability: Stable under normal conditions.
Incompatible substances: Reacts with strong oxidizing agents and strong acids.
Decomposition products: Decomposition at high temperatures may produce carbon monoxide, carbon dioxide, and toxic fumes.
Company Profile
Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.
The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.
Company advantages
One-Stop Procurement
Platform
We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.
Professional Team TechnicalEmpowerment
Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.
Global supply ChainSecurity
We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.
Deep Win-Win CooperationConcept
Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.
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