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VWR® Calcium carbonate 98.5-100.5%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent low in alkali, precipitated
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Specifications:
| Application | Analytical Chemistry, Organic Synthesis | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | CaCO₃ |
VWR® Calcium Carbonate, 98.5–100.5%, AnalaR NORMAPUR® is a high-purity precipitated calcium carbonate analytical reagent that conforms to Reag. Ph. Eur. requirements. It is supplied as a laboratory-grade calcium carbonate suitable for pharmaceutical, analytical, quality control, and research applications requiring controlled purity and low alkali content.
Also known as marble, calcium carbonate is widely used in laboratory workflows involving reagent preparation, neutralisation, carbonate chemistry, formulation studies, and pharmaceutical quality control testing. This grade provides defined impurity specifications, including limits for heavy metals, chloride, sulphate, arsenic, iron, magnesium, sodium, potassium, and strontium.
Key Features
- High-purity precipitated calcium carbonate
- AnalaR NORMAPUR® analytical reagent grade
- Conforms to Reag. Ph. Eur. specifications
- Assay: 98.5–100.5%, calculated on dried substance
- Low in alkali
- Suitable for pharmaceutical and analytical laboratory workflows
- Controlled trace metal and inorganic impurity limits
- Ambient storage
- Available in 250 g, 1 kg, and 25 kg pack sizes
- Supplied with Certificates and SDS
Applications
- Pharmaceutical quality control
- Analytical reagent preparation
- Carbonate chemistry studies
- Neutralisation reactions
- Buffering and pH-related applications
- Formulation studies
- Teaching and research laboratories
- General laboratory chemical workflows
- Raw material testing and method development
Product Specifications
| Parameter | Specification |
|---|---|
| Brand | VWR® |
| Product Name | Calcium carbonate |
| Grade | AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent |
| Type | Low in alkali, precipitated |
| Synonym | Marble |
| CAS Number | 471-34-1 |
| Molecular Formula | CaCO₃ |
| Molecular Weight | 100.09 g/mol |
| MDL Number | MFCD00010906 |
| Merck Index | 13,01658 |
| EINECS | 207-439-9 |
| REACH Number | 01-2119486795-18 |
| Melting Point | 825°C |
| Density | 2.71 g/cm³ at 20°C |
| Storage Temperature | Ambient |
Quality Specifications
| Test | Specification |
|---|---|
| Assay, calculated on dried substance | 98.5–100.5% |
| Identification A | Passes Ph. Eur. test |
| Identification B | Passes Ph. Eur. test |
| Heavy metals as Pb | ≤20 ppm |
| Insolubility in acetic acid | ≤0.2% |
| Insolubility in hydrochloric acid | ≤50 ppm |
| Loss on drying at 200°C | ≤1.0% |
| Magnesium and alkali metals | ≤1.5% |
| Total nitrogen | ≤10 ppm |
| Chloride | ≤50 ppm |
| Sulphate | ≤0.03% |
| Aluminium | ≤50 ppm |
| Arsenic | ≤4 ppm |
| Copper | ≤5 ppm |
| Iron | ≤10 ppm |
| Potassium | ≤50 ppm |
| Magnesium | ≤0.02% |
| Sodium | ≤0.2% |
| Lead | ≤5 ppm |
| Strontium | ≤0.1% |
| Conforms to Reag. Ph. Eur. | Passes test |
Ordering Information
| Catalogue Number | Pack Size | Pack Type |
|---|---|---|
| 22300.233 | 250 g | Plastic bottle for solids |
| 22300.290 | 1 kg | Plastic bottle for solids |
| 22300.460 | 25 kg | Plastic bucket |
VWR® Calcium Carbonate, 98.5–100.5%, AnalaR NORMAPUR® Reag. Ph. Eur. is a reliable precipitated calcium carbonate reagent for laboratories requiring pharmaceutical-grade analytical performance and low alkali content. Its Reag. Ph. Eur. conformance, controlled impurity profile, and multiple pack-size options make it suitable for pharmaceutical QC, analytical testing, formulation work, and routine laboratory chemical preparation.
- Pack Size: 250g 1kg