0
VWR di-Ammonium oxalate monohydrate 99.5-101.0%, AnalaR NORMAPUR® analytical reagent
Catalog No :
CAS Number :
Brand :
In Stock
Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | (NH₄)₂C₂O₄·H₂O |
VWR Di-Ammonium Oxalate Monohydrate ((NH₄)₂C₂O₄·H₂O) is a high-purity oxalate salt, supplied under the AnalaR NORMAPUR® label, with an assay range of 99.5–101.0%, ideal for analytical and laboratory-grade applications. This reagent-grade product is used in complexometric titrations, metal precipitation reactions, analytical separation methods, and qualitative analysis of calcium and rare earth elements.
It is a water-soluble, colorless crystalline solid with excellent purity, low impurity levels, and consistent performance in quantitative chemistry, ion analysis, and research-based formulations.
Product Specifications
| Property | Value |
|---|---|
| Product Name | Di-Ammonium Oxalate Monohydrate |
| Chemical Formula | (NH₄)₂C₂O₄·H₂O |
| Molecular Weight | 142.11 g/mol |
| CAS Number | 6009-70-7 |
| MDL Number | MFCD00149694 |
| Merck Index | 13,00541 |
| EINECS Number | 214-202-3 |
| UN Number | 3288 |
| ADR Classification | Class 6.1 (Toxic), Packing Group III |
| GHS Classification | GHS07 (Irritant) |
| Melting/Boiling Point | 70 °C |
| Density (20 °C) | ~1.5 g/cm³ |
| Storage Temperature | Ambient |
| Solubility | Water-soluble |
| Assay (on dried basis) | 99.5–101.0% |
Purity and Impurity Limits
| Impurity | Max. Limit |
|---|---|
| Heavy Metals (Pb) | 5 ppm |
| Iron (Fe) | 5 ppm |
| Calcium (Ca) | 20 ppm |
| Magnesium (Mg) | 10 ppm |
| Potassium (K) | 100 ppm |
| Sodium (Na) | 50 ppm |
| Sulphate (SO₄²⁻) | 20 ppm |
| Chloride (Cl⁻) | 20 ppm |
| Nitrate (NO₃⁻) | 20 ppm |
| Ignition Residue | 0.02% |
| Water Insolubles | 50 ppm |
Packaging Options
| Catalog Number | Pack Type | Pack Size |
|---|---|---|
| 21289.236 | Plastic bottle (solid) | 250 g |
| 21289.293 | Plastic bottle (solid) | 1 kg |
Applications
- Complexometric and redox titration systems
- Gravimetric analysis and precipitation of calcium, strontium, or rare earths
- Reagent in metal separation and identification tests
- Oxalate-based coordination chemistry
- Buffer and reagent preparation for trace metal studies
- Precursor in the synthesis of oxalate complexes in materials chemistry
Safety and Handling
- Harmful if swallowed or inhaled – use with proper ventilation
- Avoid direct contact with eyes, skin, or clothing
- Wear gloves, goggles, and lab coat during handling
- Store in a dry, well-ventilated area away from acids and oxidizers
- Refer to the SDS for complete handling, transport, and disposal guidance
VWR Di-Ammonium Oxalate Monohydrate 99.5–101.0%, AnalaR NORMAPUR®, is a precise and reliable analytical reagent essential for metal ion precipitation, quantitative titrations, and coordination chemistry. Its low impurity profile, fine solubility, and adherence to quality standards make it suitable for high-precision laboratory applications in academic, industrial, and environmental chemistry settings.
- Pack Size: 250g 1kg