Ammonium Formate AR -250g
Ammonium formate (NH₄HCOO) is a white‑to‑off‑white crystalline solid that readily dissolves in water and polar organic solvents. Supplied in Analytical‑Reagent (AR) grade, it offers high purity for chromatographic work, spectroscopy, and synthetic chemistry.
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Key features
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Chemical formula: NH₄HCOO
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Molar mass: 63.06 g mol⁻¹
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Appearance: Hygroscopic crystals or free‑flowing powder, faint formic‑acid odour
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Solubility: Miscible with water, methanol, acetonitrile; useful for LC‑MS buffers
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pH (0.1 M): ≈ 6.4 (near‑neutral)
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Thermal behaviour: Decomposes on heating to formamide, then H₂ + CO₂ at higher T
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Grade: AR – minimal metal and UV‑absorbing impurities
Typical applications
| Area | Representative uses |
|---|---|
| Chromatography (HPLC/LC‑MS) | Volatile buffer/ion‑pair additive—enhances peak shape and MS sensitivity |
| Organic synthesis | Mild reducing environment (transfer‑hydrogenation with Pd/C); source of formyl or ammonium ions |
| Peptide & protein work | Volatile buffering agent prior to mass‑spectrometric analysis |
| Spectroscopy | Matrix or pH adjuster in FTIR/NMR samples where inorganic salts would interfere |
| Catalysis & fuel cells | Feed for formic‑acid fuel cells, R&D on hydrogen‑storage materials |
Handling & safety
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Low hazard but may cause mild irritation; avoid inhaling dust.
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Store in a tightly closed bottle, in a cool, dry place; protect from moisture.
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PPE: Gloves, goggles, lab coat in routine handling.
| Weight | 1 kg |
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