M9 Minimal Medium Preparation and Recipe

To prepare L  M9 Minimal Medium

Table 1. Recipe

NameAmountConcentrationFormula/M.W.CAS #
Sodium chloride4.967 g0.085 MNaCl/58.447647-14-5
0.246 g1 mMMgSO4·7H2O/246.4710034-99-8
Potassium dihydrogen phosphate2.993 g0.022 MKH2PO4/136.097778-77-0
7.879 g0.022 MNa2HPO4·12H2O/358.1410039-32-4
  1. Prepare 0.8 L of distilled water in a suitable container.
  2. Add 4.967 g of Sodium chloride to the solution.
  3. Add 0.246 g of Magnesium sulfate heptahydrate to the solution.
  4. Add 2.993 g of Potassium dihydrogen phosphate to the solution.
  5. Add 7.879 g of Sodium phosphate dibasic dodecahydrate to the solution.
  6. Add distilled water until the volume is 1 L.
  7. Autoclave for 15 min on liquid cycle. Store for up to 2 weeks at room temperature. Prewarm to the appropriate experimental temperature before use.