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  • Zinc Sulfate
  • Zinc Sulfate
  • Zinc Sulfate
  • Zinc Sulfate

Zinc Sulfate

Shandong Junteng Chem Zinc Sulfate: High-purity Zinc Sulfate for agriculture, industry & feed—bulk Zinc Sulfate supply with custom specifications.
Tel: +86 18596277178
Tel: +86 15588955913
Tel: +86 17663494691
WhatsApp: +86 18806419898
Email: victoria@juntengchem.com

Product Parameters

CAS No. 7733-02-0
Molecular Weight 161.472
Density 1.957
Boiling Point 330ºC at 760 mmHg
Molecular Formula O4SZn

Basic Properties

  1. Appearance and Morphology: Zinc sulfate heptahydrate is a colorless, transparent prismatic crystal or white granular powder, odorless; zinc sulfate monohydrate is a white, free-flowing powder; anhydrous zinc sulfate is a white powder. All three are hygroscopic.

  2. Solubility: Extremely soluble in water, with a slight exothermic reaction upon dissolution; the aqueous solution is weakly acidic. Slightly soluble in methanol and ethanol, insoluble in acetone, benzene, and other organic solvents. Solubility increases significantly with increasing temperature (approximately 54 g/100 mL water at 20°C, reaching 96 g/100 mL water at 100°C).

  3. Melting Point and Decomposition: Zinc sulfate heptahydrate begins to lose its water of crystallization at approximately 60°C, and loses all its water of crystallization at 100°C, becoming anhydrous. Anhydrous zinc sulfate has a melting point of approximately 680°C, and decomposes into zinc oxide and sulfur trioxide at high temperatures (>930°C).

  4. Density and stability: The heptahydrate has a density of approximately 1.957 g/cm³, the monohydrate approximately 3.28 g/cm³, and the anhydrous approximately 3.54 g/cm³. It is stable under normal temperature and dry conditions, but it is prone to absorbing moisture and clumping, so it needs to be stored in a sealed container.

Main Applications

I. Agricultural Planting Sector (Core Agricultural Applications)

1. Zinc Fertilizer: Supplements soil with available zinc, prevents zinc deficiency-induced diseases such as small leaf disease and stunted growth in crops, promotes growth, and improves yield and quality. Foliar spraying can be used for emergency supplementation.

2. Feed Additive: Supplements livestock, poultry, and aquatic products with zinc, promotes growth, enhances immunity, and prevents zinc deficiency diseases. It is a core zinc source for feed.

3. Pesticide Raw Material: Used in the formulation of fungicides and acaricides to control downy mildew and brown spot diseases in fruits and vegetables, and also has a mild insecticidal effect.

II. Water Treatment Sector (Industrial Grade)

1. Flocculant: Can be used alone or in combination to adsorb impurities and phosphates in water, achieving phosphorus removal and turbidity reduction. Suitable for municipal and various industrial wastewater treatment.

2. Water Quality Stabilizer: Used in circulating cooling water to adjust pH value, prevent pipe scaling and corrosion, inhibit microbial growth, and improve water utilization.

III. Pharmaceutical and Chemical Industries (Food/Pharmaceutical Grade)

1. Pharmaceutical Zinc Supplements: Orally administered to prevent zinc deficiency; externally used as a raw material for ointments to treat skin eczema and ulcers, providing astringent and antibacterial effects.

2. Food Fortifiers: Added to various foods to supplement zinc, meeting national standards.

3. Chemical Raw Materials: Used in the production of zinc compounds; also used as a mordant in printing and dyeing, and a sizing agent in papermaking to improve product performance.

IV. Metallurgical and Electroplating Industries (Industrial Grade High Purity)

1. Electroplating Main Salt: A core raw material in the zinc plating process, providing zinc ions to ensure a uniform, dense, and strong coating; used for corrosion protection in steel and hardware zinc plating.

2. Metallurgical Additives: Improves the purity of metals during smelting; also used in the phosphating pretreatment of steel parts to enhance coating adhesion.

V. Other Industrial Uses

1. Leather Industry: Used in leather tanning and dyeing to improve softness and color uniformity, while also providing anti-corrosion and anti-mildew effects.

2. Glass and ceramics industry: As an additive, it adjusts the refractive index of products, improves surface smoothness and color uniformity, and is used in the production of specialty products.

3. Mineral processing reagents: During flotation, it activates sulfide ores and improves mineral processing recovery rates.

Safety Precautions

I. Health and Safety Precautions (Core Focus)

1. Skin Contact Protection: Industrial grade (especially anhydrous) is slightly corrosive; food/pharmaceutical grade has lower irritation. Avoid prolonged contact with both. Wear nitrile gloves during handling. In case of accidental contact, rinse with water for 5-10 minutes. If symptoms persist, seek medical attention.

2. Eye Protection: Splashes of powder or high-concentration solutions can cause severe irritation. Wear safety goggles. In case of accidental contact, rinse with water/saline solution for 10-15 minutes. If symptoms do not improve, seek immediate medical attention.

3. Respiratory Protection: The powder is easily airborne and inhalation can irritate the respiratory tract. Ensure ventilation and wear a dust mask when handling and weighing. If symptoms persist, move to a well-ventilated area. If symptoms do not improve, seek medical attention.

4. Ingestion Protection: Do not ingest. Excessive oral intake can cause poisoning. Wash hands after handling. Eating and drinking are strictly prohibited in the work area. Store items separately and away from children. If ingested, dilute with warm water. Do not induce vomiting. In severe cases, bring the label and seek medical attention.

II. Storage and Transportation Safety Precautions

1. Storage Requirements:

  • Store in a cool, dry, and well-ventilated warehouse (5℃~35℃), avoiding direct sunlight and moisture to prevent deliquescence and weathering.

  • Seal the packaging, and elevate it from walls when stacking to prevent damage, moisture, and leakage.

  • Strictly prohibit mixed storage with strong acids, strong alkalis, food, and pharmaceuticals. Store according to grade, with clear labels, and keep away from fire and heat sources.

  • The storage area should be equipped with emergency treatment and first aid supplies.

2. Transportation Requirements:

  • Vehicles should be clean and dry, with plastic film lining, and handled with care to prevent packaging damage.

  • Cover with tarpaulins to protect from rain and direct sunlight, and follow the regulations for the transportation of non-hazardous goods. Different grades must be strictly prohibited from being mixed.

  • Avoid sensitive areas, and transport during low-temperature periods in summer to prevent deliquescence and spoilage.

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.

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Company advantages

1

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.

2

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.

3

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.

4

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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