Sodium hidroksida atau disebut juga : Soda caustik ini memiliki beberapa informasi teknis yang harus diperhatikan sebelum pemakaian.
| Informasi | Keterangan |
| Massa molar | 40 g/mol |
| Rumus kimia | NaOH |
| Densitas | 2.13 g/cm3 |
| Titik leleh | 319 °C - 322 °C |
| pH | > 14 |
| Solubilitas | 1090 g/l |
| Penyimpanan | Simpan pada suhu 5°C - 30°C |
| Assay (acidimetric,NaOH) | ≥ 99.0 % |
| Carbonate (as Na₂CO₃) | ≤ 1.0 % |
| Chloride (Cl) | ≤ 0.012 % |
| Phosphate (PO₄) | ≤ 0.0005 % |
| Silicate (SiO₂) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.010 % |
| Total nitrogen (N) | ≤ 0.0003 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Al (Aluminium) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.0001 % |
| Ca (Calcium) | ≤ 0.0005 % |
| Cu (Copper) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.050 % |
| Mg (Magnesium) | ≤ 0.0005 % |
| Ni (Nickel) | ≤ 0.00025 % |
| Pb (Lead) | ≤ 0.0005 % |
| Zn (Zinc) | ≤ 0.001 % |