Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99%, Ultrapure

Supplier: MP Biomedicals

Synonyms: Tris (Hydroxymethyl) AminomethaneTrometamol2-Amino-2-(hydroxymethyl)propane-1,3-diol

ICNA04819620EA 120 EUR
ICNA04819620 ICNA04819638 ICNA04819623
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99%, Ultrapure
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)

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.

Formula: NH₂C(CH₂OH)₃
MW: 121,14 g/mol
MDL Number: MFCD00004679
CAS Number: 77-86-1
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