Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99%, UltrapureSupplier: MP Biomedicals
Tris (Hydroxymethyl) Aminomethane
Biological buffer reagent.
- Synonyms: Tromethamine
- Heavy metals (as Pb): <5 ppm
- O.D. (260nm) of a 5% saturated solution: <0.1
- pKa at 20°C = 8.1
pH: As Tris solutions decrease in temperature from 25°C to 5°C, the pH value increases an average of 0.03 units per°C. As the solution increases in temperature from 25°C to 37°C, the pH decreases an average of 0.025 units per°C.
MW: 121,14 g/mol
CAS Number: 77-86-1