Anhydrous Ammonia
NH₃CAS Number: 7664-41-7
High-purity bulk anhydrous ammonia sourced from Nigeria and Germany. Used in refrigeration systems, fertilizer production, water treatment, and industrial chemical synthesis.
Specifications
| Chemical Formula | NH₃ |
| Country of Origin | Nigeria / Germany |
| Purity (typical) | 99.95% (per COA) |
| Appearance | Clear |
| Moisture | ≤ 0.02% |
| Oil | ≤ 5 PPM |
| Boiling Point | −33°C |
| Melting Point | −77°C |
| Specific Gravity (Water = 1) | 0.682 @ −33°C |
| Solubility in Water | High |
| Vapour Density (Air = 1) | 9.547 Kg/m³ @ 32°F |
| pH (1.0N aq. Sol) | 11.6 (Highly Alkaline) |
| Percent Volatility by Volume | 100% |
| Auto Ignition Temperature | 651°C |
| Vapour Pressure | 1.499 Kg/cm² @ 38°C |
| Flash Point | Not Flammable |
Packaging Options
- Bulk tanker
- Pressure cylinders
Available Incoterms
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What is it used for?
Applications & Reactions
How Anhydrous Ammonia (NH₃) is used across industries, with the key chemistry explained simply.
Fertiliser Production
Reacts with sulphuric acid to produce ammonium sulphate, one of the world's most widely used nitrogen fertilisers. Feeds crops, supports yields.
Ammonium sulphate synthesis
2NH₃ + H₂SO₄ → (NH₄)₂SO₄
Industrial Refrigeration
Excellent thermodynamic properties make NH₃ the refrigerant of choice in large cold-storage facilities, breweries, and food processing plants. No ozone depletion.
Water Treatment (Chloramination)
Added after chlorination to form stable chloramines, a longer-lasting disinfectant that protects entire water distribution networks from bacterial regrowth.
Chloramine formation
NH₃ + HOCl → NH₂Cl + H₂O
Nitric Acid Manufacture
Catalytically oxidised over platinum to produce nitric oxide, the first step in the Ostwald process for industrial nitric acid production.
Ostwald process (step 1)
4NH₃ + 5O₂ → 4NO + 6H₂O