Ammonium Sulphate AGR ACS
Ammonium sulphate, AGR grade, ACS specification. Purity ≥ 99.0%. Formula (NH₄)₂SO₄, molecular weight 132.14. Colourless crystals or white crystalline powder. pH 5.0–6.0 in 5% aqueous solution at 25 °C. Heavy metals ≤ 0.0005%, insoluble matter ≤ 0.005%, residue on ignition ≤ 0.005%. Chloride ≤ 0.0005%, nitrate ≤ 0.001%, phosphate ≤ 0.0005%, iron ≤ 0.0005%. Suitable for synthesis and analysis under ACS standard.
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Ammonium Sulphate AGR ACS | (NH₄)₂SO₄ Purity ≥ 99.0%
Ammonium sulphate, AGR grade, meeting ACS specifications. CAS 7783-20-2, EC number 231-984-1, molecular weight 132.14. Colourless crystals or white crystalline powder, water-soluble with a slightly acidic pH.
Technical Specifications
- Formula: (NH₄)₂SO₄
- Molecular weight: 132.14
- CAS: 7783-20-2
- EC: 231-984-1
- EC Index: 016-060-00-6
- TARIC: 31022100
- Appearance: Colourless crystals / white crystalline powder
- Purity (Assay): ≥ 99.0%
- pH (5% aq. solution, 25 °C): 5.0–6.0
- Insoluble matter: ≤ 0.005%
- Residue on ignition: ≤ 0.005%
- Heavy metals (ICP-OES): ≤ 0.0005%
- Chloride (Cl⁻): ≤ 0.0005%
- Nitrate (NO₃): ≤ 0.001%
- Phosphate (PO₄): ≤ 0.0005%
- Iron (Fe): ≤ 0.0005%
Typical Applications
Used in fractional protein precipitation (salting-out), buffer and culture media preparation, chemical synthesis and quantitative analysis. ACS grade ensures trace impurities do not interfere with results.
Nitrogen source in fermentation processes and reference reagent in analytical quality control.
Safety and Handling
Precautionary statements P102 + P202. Consult the Safety Data Sheet before use. Keep out of reach of children. Do not handle until all safety instructions have been read.
| Brand | Labkem |
|---|---|
| Grade | Analytical Grade |
| Assay | ≥ 99.5% |
| Density | 1,2 |
| M | 132.14 |
| CAS | 7783-20-2 |
| CEE | 016-060-00-6 |
| EINECS | 231-984-1 |
| formula | (NH4)2SO4 |
| Tarix Code (CODCN) | 31022100 |
| P | P102+P202 |
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