VWR Zinc sulphate heptahydrate ≥99.5%, AnalaR NORMAPUR® analytical reagent
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Formula: ZnSO₄·7H₂O
CAS Number: 7446-20-0
Specifications:
Application | Analytical Chemistry | ||
Storage Temperature | Ambient | ||
Product Type | Laboratory Chemical | Forms | Powder |
Product Brand | VWR | ||
Product Grade | Analytical grade | Formula | ZnSO₄·7H₂O |
VWR Zinc Sulphate Heptahydrate (ZnSO₄·7H₂O) is a high-purity inorganic salt with an assay of ≥99.5%, meeting stringent analytical and pharmaceutical requirements. Supplied under the AnalaR NORMAPUR® label, it is ideal for quantitative analysis, chemical synthesis, trace metal determinations, and preparation of standard zinc solutions.
This product is provided as a stable, crystalline hydrate and is widely used in analytical laboratories, water treatment, nutritional testing, and agricultural research. It is corrosive and environmentally hazardous, requiring safe handling and proper storage.
Product Specifications
Property | Value |
---|---|
Product Name | Zinc Sulphate Heptahydrate |
Grade | AnalaR NORMAPUR®, Analytical Reagent |
Chemical Formula | ZnSO₄·7H₂O |
Molecular Weight | 287.54 g/mol |
CAS Number | 7446-20-0 |
MDL Number | MFCD00149894 |
Merck Index | 12,10293 |
EINECS Number | 231-793-3 |
UN Number | 3077 |
ADR Classification | Class 9 (Environmentally Hazardous), PG III |
GHS Classification | GHS05 (Corrosive), GHS07 (Irritant), GHS09 (Environmental hazard) |
Melting Point | 100 °C |
Density (20 °C) | 1.97 g/cm³ |
Storage Temperature | Ambient |
Physical Form | Colorless crystalline solid (heptahydrate) |
Packaging Options
Catalog Number | Pack Type | Pack Size |
---|---|---|
29253.236 | Plastic bottle (solids) | 250 g |
29253.260 | Plastic bottle (solids) | 500 g |
29253.293 | Plastic bottle (solids) | 1 kg |
29253.460 | Plastic bucket | 25 kg |
Applications
- Preparation of zinc standard solutions for calibration and titration
- Analytical testing in pharmaceutical, food, and water laboratories
- Trace metal analysis and atomic absorption spectrometry (AAS)
- Reagent in chemical synthesis and formulation
- Nutritional studies and fertilizer composition testing
- pH buffer component in industrial and academic research
- Corrosion studies and galvanic cell testing
Safety and Handling
- Corrosive – causes severe eye and skin irritation
- Irritant – avoid inhalation or direct contact
- Environmental hazard – toxic to aquatic life with long-lasting effects
- Use with gloves, safety goggles, and protective clothing
- Store in dry, well-sealed containers at ambient temperature
- Dispose of contents in accordance with local and national regulations
- Refer to the SDS for full hazard and handling instructions
VWR Zinc Sulphate Heptahydrate ≥99.5%, AnalaR NORMAPUR®, is a high-quality analytical reagent used in quantitative chemistry, water testing, nutrient analysis, and industrial formulation. Its reliable purity and crystalline form ensure precision and consistency across a wide range of applications in regulated laboratories and manufacturing environments.
- Pack Size: 250g 1kg 500g Plastic bucket, 25kg