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VWR Antimony(III) Potassium Oxitartrate Trihydrate ≥99%, GPR RECTAPUR®, 250g
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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | C₈H₄K₂O₁₂Sb₂·3H₂O |
VWR Antimony(III) Potassium Oxitartrate Trihydrate—commonly known as tartar emetic—is a high-purity analytical reagent (≥99%) supplied under the GPR RECTAPUR® grade for reliable performance in research and quality-control laboratories. This compound is widely used in analytical chemistry, coordination chemistry studies, toxicology research, and as a reagent for mirror reactions, reducing sugars testing, and antimony-based assays.
Manufactured to stringent specifications, this salt offers excellent chemical consistency with controlled impurity levels, enabling accurate and reproducible results. Supplied in a durable, chemical-resistant plastic bottle for safe handling and long-term storage.
Properties
| Parameter | Value |
|---|---|
| Chemical Name | Antimony(III) potassium oxitartrate trihydrate |
| Synonyms | Tartar emetic; (R,R)-(+)-Antimony potassium tartrate trihydrate; Potassium antimonyl tartrate; L(+)-Antimony potassium tartrate; etc. |
| CAS Number | 28300-74-5 |
| Formula | C₈H₄K₂O₁₂Sb₂·3H₂O |
| Molecular Weight | 667.88 g/mol |
| MDL Number | MFCD00167056 |
| Merck Index | 13,00706 |
| Melting Point | ~100 °C |
| Density | 2.6 g/cm³ (20 °C) |
| EINECS | 229-436-1 |
| UN Number | 1551 |
| ADR Classification | 6.1, III (Toxic substance) |
Quality Specifications
| Test | Specification |
|---|---|
| Assay (as Sb salt) | Min. 99% |
| Chloride (Cl) | ≤ 100 ppm |
| Arsenic (As) | ≤ 0.025% |
| Iron (Fe) | ≤ 10 ppm |
Packaging
- Pack Size: 250 g
-
Container: Plastic bottle for solids (DIN 60 closure)
Applications
Antimony(III) potassium oxitartrate trihydrate is commonly used for:
- Classical analytical chemistry (e.g., Fehling’s solution, reducing sugar tests)
- Coordination chemistry and metal complex studies
- Toxicology and biochemical research
- Antimony standard preparation
- Glass, mirror, and surface chemistry reactions
Its high purity ensures suitability for demanding laboratory workflows.
Safety & Handling
- Classified as Toxic (ADR 6.1) and environmentally hazardous.
- Handle under appropriate laboratory safety protocols (gloves, lab coat, fume hood).
- Consult the SDS for full safety information.
VWR Antimony(III) Potassium Oxitartrate Trihydrate ≥99% is a premium, high-purity reagent ideal for analytical, chemical, and research applications requiring reliable and reproducible performance. With tightly controlled impurity levels and robust packaging, it provides an excellent balance of quality and value for routine and specialized laboratory use.