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Zinc chloride
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Zinc Chloride is a highly versatile, white crystalline inorganic compound known for its strong hygroscopic nature and high solubility in water. It serves multiple industrial roles including fluxing, dehydrating, catalysis, and preservation. With applications across metallurgy, pharmaceuticals, textiles, water treatment, and chemical synthesis, Zinc Chloride is valued for its reactivity and binding properties.
Description
Zinc chloride
Primary Uses
Metallurgical Industry
- Flux Agent: Used in galvanizing, soldering, and tinning to remove oxides and promote metal adhesion.
- Electroplating: Acts as an electrolyte in zinc electroplating processes.
Chemical Industry
- Catalyst: Promotes reactions such as Friedel-Crafts alkylation and polymerizations.
- Dehydrating Agent: Used in organic synthesis to remove water and drive chemical reactions forward.
Textile Industry
- Mercerization & Printing: Aids in treating fabrics to enhance strength and dye uptake.
- Textile Fiber Dissolution: Used to dissolve cellulose in viscose rayon production.
Water Treatment
- Corrosion Inhibitor: Added to industrial water systems to prevent pipe corrosion.
Petroleum Industry
- Oil Refining: Acts as a catalyst in hydrocracking and other refining processes.
Secondary Uses
Pharmaceutical Industry
- Astringent & Disinfectant: Used in topical formulations and antiseptic preparations (in limited, regulated concentrations).
Wood Preservation
- Preservative Agent: Protects timber from rot and insects when used in treating wood.
Batteries & Electronics
- Electrolyte Additive: Used in Leclanché (dry cell) batteries to maintain ionic conductivity.
Rubber & Adhesives
- Activator: Enhances vulcanization and adhesive bonding in some specialty applications.
Laboratory Use
- Reagent Grade Chemical: Widely used in qualitative analysis and synthesis in research labs.
Deodorants & Personal Care
- Odor Neutralizer (Historic Use): Formerly used in some formulations for its astringent properties. (Now limited due to safety concerns.)
KEY PRODUCT FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): Zinc chloride
- Common/Trade Name: Zinc Chloride
- CAS Number: 7646-85-7
- HS Code: 2827.39.00
- Synonyms: Zinc dichloride, ZnCl₂
Physical & Chemical Properties
- Physical State: White crystalline solid or powder
- Color & Odor: White; odorless
- Melting Point: ~290 °C
- Boiling Point: Sublimes at 732 °C (decomposes)
- Density: 2.91 g/cm³
- Solubility: Highly soluble in water, ethanol, and glycerol
- Hygroscopicity: Strongly hygroscopic
Safety & Hazard Attributes
- GHS Classification:
- Corrosive to skin and eyes
- Harmful if swallowed or inhaled
- Toxicity: Moderate; causes burns and mucosal irritation
- Exposure Limits: Follow OSHA and ACGIH guidelines
Storage & Handling Attributes
- Storage Conditions: Store in tightly closed containers, in a cool, dry, well-ventilated area
- Container Type: Plastic-lined drums or sealed HDPE containers
- Shelf Life: Up to 2 years under optimal conditions
- Handling Precautions: Avoid moisture exposure; use PPE due to corrosive nature
Regulatory & Compliance Attributes
- Complies with REACH, TSCA, and OSHA chemical regulations
- Listed on international chemical inventories (EINECS, DSL, etc.)
- Subject to restrictions in food/pharma use; follow country-specific guidelines
- Manufactured under ISO 9001 and ISO 14001 standards when applicable
Environmental & Health Impact
- Biodegradability: Not applicable (inorganic compound)
- Ecotoxicity: Toxic to aquatic life; must be prevented from entering water bodies
- Bioaccumulation: Low; zinc is an essential but potentially toxic trace element
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves, eye protection, dust mask or respirator
- Handling Guidelines: Use in well-ventilated areas; avoid contact with skin and mucous membranes
- Storage Measures: Keep containers sealed and protected from moisture
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical help if respiratory symptoms occur
- Skin Contact: Rinse with water for 15 minutes; remove contaminated clothing
- Eye Contact: Rinse with plenty of water for at least 15 minutes; seek urgent medical care
- Ingestion: Do not induce vomiting; seek medical attention immediately
Firefighting Measures
- Fire Hazards: Non-flammable, but decomposes at high temperature to release toxic fumes
- Extinguishing Media: Use suitable extinguishing agents for surrounding fire (e.g., water spray, dry powder)
- Hazardous Combustion Products: Hydrogen chloride, zinc oxide fumes
Related products
Choline Chloride Powder
Choline Chloride Powder is a white to off-white crystalline powder containing 60% choline chloride, a quaternary ammonium salt essential as a nutrient in animal and poultry feed. It serves as a vital source of choline, an important component in fat metabolism, liver function, and cell membrane integrity. Produced through chemical synthesis, this powder form is highly soluble in water, making it easy to incorporate into feed premixes and supplements. Choline chloride is widely used in the agriculture industry to prevent choline deficiency, enhance growth performance, and improve overall health in livestock. Beyond animal nutrition, it finds applications in chemical manufacturing and pharmaceuticals.
Disodium Hydrogen Phosphate
Disodium Hydrogen Phosphate, also known as sodium phosphate dibasic, is an inorganic salt widely used as a buffering agent, emulsifier, and food additive. It appears as a white, odorless crystalline powder or granules that are highly soluble in water and alkaline in nature. It plays a crucial role in maintaining pH balance, stabilizing formulations, and supplying essential sodium and phosphate ions in various industries including food, pharmaceuticals, water treatment, and agriculture.
Ellagic Acid
Ellagic Acid is a naturally occurring polyphenolic compound found in numerous fruits, nuts, and vegetables such as pomegranates, strawberries, raspberries, walnuts, and cranberries. It is a potent antioxidant known for its ability to scavenge free radicals and chelate metal ions. Due to its significant anti-inflammatory, anti-carcinogenic, and anti-viral properties, Ellagic Acid has gained extensive interest in pharmaceutical, nutraceutical, cosmetic, and food industries. It appears as a yellow to light brown crystalline powder, insoluble in water but soluble in organic solvents like ethanol and DMSO.
Ferric Ammonium Citrate
Ferric Ammonium Citrate is a dark green to black crystalline or granular inorganic compound composed of iron, ammonium ions, and citrate ions. It is a complex salt of citric acid with ferric iron (Fe³⁺) and ammonium. This compound is highly soluble in water, forming a greenish solution, and is widely utilized as a source of iron in various chemical, pharmaceutical, photographic, and food applications. It acts as a mild oxidizing agent and an iron supplement, valued for its bioavailability and ease of incorporation into formulations. Ferric Ammonium Citrate is typically available in different formulations distinguished by their water and ammonium content, such as green and brown types.
Ferrous Sulphate Heptahydrate
Ferrous Sulphate Heptahydrate, also known as iron(II) sulfate heptahydrate, is a pale green crystalline solid containing seven molecules of water of crystallization (FeSO₄·7H₂O). It is a widely used inorganic iron compound characterized by its high iron content (approximately 20% Fe) and good solubility in water. This hydrated salt is commonly used in agriculture, pharmaceuticals, water treatment, and various industrial processes. The heptahydrate form is preferred for many applications due to its stability, ease of handling, and cost-effectiveness.
High Gluten Wheat Flour
High Gluten Wheat Flour is a finely milled powder derived from hard wheat varieties known for their high protein content, typically ranging from 12% to 14.5%. This flour has a superior gluten-forming capacity which imparts strong dough elasticity and excellent gas retention properties. It appears as an off-white to pale yellow powder with a neutral to slightly nutty aroma. High Gluten Wheat Flour is prized in baking industries and food manufacturing for producing products with enhanced chewiness, volume, and texture. It is essential for applications requiring strong dough structure and resilience.
Liquid Glucose
Liquid Glucose is a viscous, clear to pale amber syrup primarily composed of glucose and other saccharides. It is produced by the enzymatic hydrolysis of starch derived from corn, wheat, or potatoes. Known for its high sweetness and excellent moisture-retention properties, Liquid Glucose is widely used in the food and beverage industry to enhance texture, sweetness, and shelf life. It also acts as a humectant and crystallization inhibitor, improving the quality and consistency of various processed foods.
Polydextrose
Polydextrose is a synthetic, highly branched polymer of glucose used primarily as a soluble dietary fiber, bulking agent, and low-calorie sweetener. It is produced through the polycondensation of dextrose with sorbitol and citric acid. Polydextrose offers numerous health and functional benefits, such as improving texture, replacing sugar or fat, and supporting digestive health. It is extensively used in food, beverages, pharmaceuticals, and nutraceuticals for its fiber enrichment properties and technological versatility.
