Antimony Potassium Tartrate 3H20 AR -250g
Antimony potassium tartrate trihydrate is a white‑to‑colourless crystalline salt traditionally known as tartar emetic. Supplied in Analytical‑Reagent (AR) grade, it provides a high‑purity source of antimony(III) and tartrate ions for use in analytical chemistry, catalyst research, and selected industrial processes.
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Key features
| Property | Value |
|---|---|
| Chemical formula | K(SbO)C₄H₄O₆ · 3H₂O |
| Molar mass | 333.92 g mol⁻¹ |
| Appearance | Colourless or white crystals / powder; effloresces slowly in dry air |
| Solubility | ≈ 12 g / 100 mL water (20 °C); insoluble in alcohol |
| pH (0.1 M) | ~ 4.2 (weakly acidic) |
| Grade | AR – heavy‑metal and chloride/sulfate impurities < 0.005 % |
| Decomposition | Above 115 °C loses water; strong heating yields Sb₂O₃, CO₂, CO |
Typical applications
| Field | Representative uses |
|---|---|
| Analytical chemistry | Reagent in the Kjeldahl nitrogen catalyst mixture; standardisation of iodine/thiosulfate solutions; antimony determinations |
| Catalysis & pigments | Precursor to antimony oxides for flame‑retardant studies and PET polycondensation catalysts |
| Electroplating & surface treatment | Brightener additive in some copper and steel plating baths |
| Textile & historic use | Former mordant and medicinal emetic (obsolete medically; listed for reference only) |
Handling & safety
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Toxicity: Highly toxic if ingested or inhaled; may cause skin/eye irritation.
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PPE: Gloves, goggles, lab coat; handle powders in a ventilated hood.
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First aid: If exposure occurs seek medical attention immediately.
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Storage: Tightly sealed HDPE or glass container, in a cool, dry, well‑ventilated place; segregate from strong acids and oxidisers.
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Disposal: Treat as toxic heavy‑metal waste according to local regulations.
Package details
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Net weight: 250 g
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Container: Chemical‑resistant bottle with tamper‑evident cap and AR‑grade labelling (CAS 28300‑74‑5, UN 1551 “Antimony compound, inorganic, solid, n.o.s.”).
| Weight | 1 kg |
|---|
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