High-Purity USP Grade Zinc Sulfate Heptahydrate for Regulated North American & Global Markets
USP Grade Zinc Sulfate Heptahydrate is a premium trace mineral ingredient formulated to meet the rigorous monograph standards of the United States Pharmacopeia. Unlike generic industrial or low-grade zinc sulfate variants, this USP-compliant material is engineered for regulated manufacturing environments, including prescription drug production, over-the-counter (OTC) remedies, and FDA-compliant dietary supplements. Featuring ultra-low contaminant levels, consistent crystalline structure, and verified biological compatibility, our USP-grade zinc sulfate heptahydrate serves as a reliable foundational raw material for manufacturers targeting North American, Australian, and global regulated markets. Every production batch undergoes standardized analytical testing to guarantee full USP compliance, making it the ideal choice for brands prioritizing product safety, regulatory adherence, and market eligibility.
Verified USP Grade Specifications & Analytical Criteria
Our USP Grade Zinc Sulfate Heptahydrate adheres strictly to all current USP monograph requirements, with every physical and chemical indicator verified through third-party laboratory testing. We eliminate batch-to-batch inconsistencies common with non-standardized suppliers, delivering uniform quality for commercial-scale production and research applications. Key verified specifications are tailored to meet pharmaceutical and supplement industry compliance demands:
- Standard Compliance: Full USP monograph compliance (latest edition), compatible with FDA cGMP production guidelines.
- Chemical Identity: Heptahydrate zinc sulfate (ZnSO₄·7H₂O), CAS 7446-20-0, verified via IR spectroscopy and titration.
- Assay Purity: 99.0%–103.0% compendia range, strictly calibrated for USP regulatory tolerance.
- Physical Form: Transparent crystalline granules or free-flowing white powder, lump-free and uniform in particle size.
- Aqueous Solubility: Complete and clear dissolution in purified water, no suspended particles or sediment.
- Trace Impurity Control: Rigorous limit on heavy metals, iron, chloride, and sulfate residues to meet USP safety thresholds.
- Loss on Ignition: Precisely calibrated water content consistent with heptahydrate molecular structure requirements.
- Microbial Safety: Low bioburden, free from harmful microbes, suitable for oral-grade formulations.
Each shipment is accompanied by a full analytical report, including identity confirmation, purity assay, impurity screening, and compliance statements. This comprehensive documentation simplifies FDA registration, third-party audits, and cross-border customs clearance for global manufacturers.
Key Industrial & Formulation Applications of USP Grade Material
USP grade materials are legally required for all ingestible health products and prescription pharmaceuticals sold in the United States and many international regions. Our standardized zinc sulfate heptahydrate is purpose-built for regulated formulation scenarios where non-pharma grades are prohibited, covering core commercial applications below:
OTC & Prescription Zinc Supplement Formulations
Zinc is an essential micronutrient for human immune function, cellular repair, and metabolic health. Our USP grade zinc sulfate is the preferred ingredient for manufacturing OTC zinc tablets, chewable supplements, liquid zinc drops, and adult/paediatric zinc supplementation formulas. Its purified composition eliminates filler contaminants that could compromise formulation stability, ensuring safe, consistent, and bioavailable zinc absorption for daily nutritional support and deficiency correction.
Pharmaceutical Oral & Topical Drug Formulas
Widely utilized in compound pharmacy preparations and finished pharmaceutical drugs, the material supports the production of oral medications for zinc deficiency treatment and adjuvant therapies for skin and mucosal disorders. Thanks to its mild astringent and antimicrobial properties, it is also formulated into medicinal topical solutions, skin care pharmaceuticals, and ophthalmic irrigation products, meeting the high safety standards for direct human tissue contact.
Fortified Nutraceutical & Functional Food Ingredients
As a FDA-recognized safe zinc fortifier, USP grade zinc sulfate heptahydrate is widely added to fortified beverages, functional powders, and specialty nutritional formulas. It is particularly suitable for high-standard infant nutritional auxiliary formulas and sports nutrition products, where strict ingredient purity and regulatory compliance are mandatory to protect vulnerable consumer groups.
Clinical & Pharmaceutical Research Use
Research institutions and pharmaceutical R&D teams rely on our USP-compliant zinc sulfate for formulation trials, pharmacological testing, and new drug development. The consistent chemical properties and verified purity eliminate experimental variables caused by impure raw materials, ensuring accurate, repeatable research data for academic and commercial drug innovation projects.
Unique Advantages of Our USP Grade Zinc Sulfate Heptahydrate
1. 100% USP Regulatory Compliance
Many suppliers sell mixed-grade or industrial repackaged zinc sulfate falsely labeled as pharma grade. Our product is strictly produced under cGMP-aligned production protocols, fully matching USP monograph testing indicators. It passes all standard regulatory screenings, supporting clients'product registration, market listing, and third-party quality audits without compliance risks.
2. Superior Formulation Stability
Our refined crystallization process produces uniform, stable crystals with low deliquescence tendency. The material maintains stable physical and chemical properties during long-term storage and high-temperature formulation processing, preventing formula discoloration, precipitation, or efficacy attenuation. This stability significantly reduces finished product rejection rates for manufacturers.
3. Audit-Ready Full Documentation
We provide complete export and compliance documents, including batch-specific COA, official MSDS, USP compliance certificate, and origin documents. All files are standardized for North American and global regulatory reviews, helping clients save audit preparation time and accelerate product market launch progress.
4. Scalable Bulk Supply & Customized Support
We offer flexible supply solutions ranging from small trial samples to full container bulk shipments. Custom packaging options include moisture-proof pharmaceutical-grade sealed packaging and standard export industrial packaging. Our stable production capacity ensures continuous supply for long-term manufacturer cooperation, with fast lead times for urgent order demands.
Packaging, Storage & Handling Guidelines
To preserve the USP-grade purity and structural stability of zinc sulfate heptahydrate, professional packaging and storage protocols are implemented. Standard packaging adopts double-layer sealed design with inner sterile PE bags and outer moisture-proof woven bags, effectively isolating moisture and external contaminants during transit. For pharmaceutical sterile applications, customized dust-free packaging is available.
For optimal storage, place the product in temperature-controlled, dry, and well-ventilated indoor warehouses, avoiding direct sunlight, high humidity environments, and contact with alkaline chemical materials. Sealed storage is recommended after partial use to prevent crystal efflorescence and performance degradation. Standard industrial safety handling procedures apply; avoid prolonged direct skin and eye contact during operation.
Partner With Us for Reliable USP Grade Raw Material Supply
As a specialized supplier focused on USP-compliant pharmaceutical raw materials, we prioritize regulatory compliance, product stability, and customer service. Our USP Grade Zinc Sulfate Heptahydrate has gained widespread recognition among North American pharmaceutical manufacturers, nutraceutical brands, and research laboratories for its reliable quality and full compliance advantages. Whether you need trial batch samples, regular bulk supply, or customized technical support, we can provide tailored raw material solutions for your business.
Request your free sample and customized quotation today to verify our USP standard quality!
Hot Tags: usp grade zinc sulfate heptahydrate, China usp grade zinc sulfate heptahydrate manufacturers, suppliers, factory
