Zinc Sulfate Monohydrate USP | CAS 7446-19-7 | AuSaMicS Australia | Cat. No. ASC-8021
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Documentation
Zinc Sulfate Monohydrate (USP Grade)
High-Purity Zinc Source for Nutraceutical, Agricultural & Laboratory Applications | Cat. No. ASC-8021
ASC-8021 CAS 7446-19-7 USP Grade ⚠ Danger — DG UN3077 🇦🇺 Melbourne
CAS No.
7446-19-7
Mol. Weight
179.47 g/mol
Grade
USP
Assay
99.0–104.5%
📄 Full DocumentationCOA & SDS every batch
🇦🇺 Australian StockNo import delays
🎓 University TrustedInstitutional supply ready
🔬 Technical SupportDirect from our team
Overview
Zinc Sulfate Monohydrate (ZnSO₄·H₂O) is a high-purity, USP grade inorganic zinc salt widely used as a bioavailable source of zinc across nutraceutical, agricultural, animal feed, analytical, and industrial applications. Zinc is an essential trace element required for numerous enzymatic processes, immune function, and growth in humans, animals, and plants.
Zinc Sulfate Monohydrate is valued for its high water solubility, consistent purity, and well-established regulatory acceptance under the USP monograph — making it a dependable raw material for formulators, agronomists, and analytical laboratories alike.
Typical Applications
💊
Nutraceutical
Bioavailable zinc supplement source
🐄
Animal Feed
Micronutrient premix component
🌾
Agriculture
Zinc deficiency correction fertilizer
🔬
Analytical Chemistry
Laboratory reagent, reference standards
💧
Water Treatment
Coagulant aid
🏭
Industrial
Wood preservation, textile dyeing
FAQs
❓ What is zinc sulfate monohydrate used for?
Zinc sulfate monohydrate is used as a bioavailable zinc source in nutraceutical and dietary supplement formulation, as a micronutrient in animal feed premixes, as an agricultural fertilizer to correct zinc-deficient soils, and as a general laboratory reagent.
❓ Why is zinc sulfate monohydrate preferred over the heptahydrate form?
The monohydrate form carries proportionally more elemental zinc per gram of material than the heptahydrate, since it holds less water of crystallisation. This makes it more concentrated and often more cost-effective for formulations where minimising bulk or maximising zinc content per dose is important.
❓ Is zinc sulfate monohydrate classified as dangerous goods?
Yes. Zinc sulfate monohydrate is classified UN3077, Environmentally Hazardous Substance, Solid, N.O.S., Class 9, Packing Group III, due to its toxicity to aquatic life. This requires dangerous goods-compliant packaging, labelling, and shipping documentation.
Intended Use
⚠️ For use in accordance with applicable nutraceutical, agricultural, feed, and laboratory regulations. This substance is environmentally hazardous — see Safety Data tab before use, storage, or disposal.
Chemical & Physical Information
| Product Name | Zinc Sulfate Monohydrate (USP Grade) |
| Catalogue Number | ASC-8021 |
| CAS Number | 7446-19-7 |
| Chemical Formula | ZnSO₄ · H₂O |
| Molecular Weight | 179.47 g/mol |
| EC Number | 231-793-3 |
| Appearance | White crystalline powder or granules |
| Solubility | Freely soluble in water |
| Storage | Store in a cool, dry place; keep container tightly sealed |
Synonyms
Zinc sulphate monohydrate · Zinc monosulfate monohydrate · Sulfuric acid zinc salt monohydrate · ZnSO4 monohydrate
Typical Specifications (USP Monograph)
| Parameter | Typical Specification |
|---|---|
| Appearance | White crystalline powder or granules |
| Identification | Passes test for zinc and sulfate |
| Assay (ZnSO₄·H₂O) | 99.0–104.5% |
| pH (5% aqueous solution) | 4.4–5.6 |
| Heavy metals (as Pb) | ≤ 0.002% |
| Iron | ≤ 0.003% |
Exact analytical values for a given shipment are provided in the batch-specific Certificate of Analysis.
Quality & Supply Assurance
Supplied with Certificate of Analysis (COA) for every batch
Consistent batch-to-batch quality against USP monograph specifications
Technical support available from AuSaMicS Life Science
Consistent batch-to-batch quality against USP monograph specifications
Technical support available from AuSaMicS Life Science
⚠️ This substance is environmentally hazardous and classified as Dangerous Goods for transport. Read this section in full before handling, storing, or shipping. Full 16-section GHS SDS available — support@ausamics.com
Hazard Identification (GHS 7th Ed / WHS 2023)
!
AQUATIC
| Classification | Acute Toxicity (Oral) Category 4; Eye Damage Category 1; Aquatic Chronic Category 1 |
| Signal Word | Danger |
| Hazard Statements | H302 — Harmful if swallowed. H318 — Causes serious eye damage. H410 — Very toxic to aquatic life with long-lasting effects. |
Handling & PPE
| PPE | Chemical safety goggles/face shield (mandatory per H318), chemical-resistant gloves, lab coat; particulate respirator for bulk powder handling |
| Storage | Cool, dry place, tightly sealed, protected from moisture |
| Environmental | DO NOT discharge into sewers, waterways, or soil under any circumstances |
Transport — Dangerous Goods
⚠️ This product IS classified as Dangerous Goods. UN3077, "Environmentally Hazardous Substance, Solid, N.O.S. (Zinc sulfate monohydrate)", Class 9, Packing Group III. DG-compliant packaging, labelling, and documentation are required for shipment.
First Aid Summary
| Eyes | Rinse cautiously with water for several minutes. Seek immediate medical attention — do not delay. |
| Ingestion | Do NOT induce vomiting. Rinse mouth, call a Poison Centre or doctor immediately. |
| Skin | Wash with plenty of soap and water. |
| Inhalation | Remove to fresh air. Seek medical attention if symptoms occur. |
Quality Specifications
| Parameter | Typical Specification |
|---|---|
| Appearance | White crystalline powder or granules |
| Assay (ZnSO₄·H₂O) | 99.0–104.5% |
| pH (5% solution) | 4.4–5.6 |
| Heavy metals (as Pb) | ≤ 0.002% |
| Batch Documentation | Lot number, release date, and applicable QC results included |
Manufacturing & Documentation
Manufactured / repackaged by AuSaMicS Pty Ltd
36/25 Trafalgar Road, Epping, VIC 3076, Australia | ABN 56 676 640 467
✓ USP grade zinc source
✓ Batch QC — appearance, assay, pH, heavy metals
✓ COA and SDS included with every order
✓ Australian stock — same-week dispatch, no import delays
✓ Suitable for university and institutional procurement
36/25 Trafalgar Road, Epping, VIC 3076, Australia | ABN 56 676 640 467
✓ USP grade zinc source
✓ Batch QC — appearance, assay, pH, heavy metals
✓ COA and SDS included with every order
✓ Australian stock — same-week dispatch, no import delays
✓ Suitable for university and institutional procurement
Batch-Specific Certificate of Analysis
Every lot ships with its own Certificate of Analysis, documenting appearance, assay, pH, and heavy metals results before release.
Batch-specific COA: Contact support@ausamics.com quoting the catalogue number and lot number.