Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)

Supplier: MP BIOMEDICALS (FKA ICN BIOMED

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76177-328EA 71.29 USD
76177-328 76177-330 76177-332
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)

Tris is an excellent biochemical and biological buffer for all applications where ultra high purity is required. Tris(hydroxymethyl)aminomethane is used as buffers in biochemistry and molecular biology laboratories. It is used as a primary standard to standardize acid solutions for chemical analysis. It finds application in cell membranes to increase its permeability. As an alternative to sodium bicarbonate, it used in the treatment of metabolic acidosis.
Store at Room Temperature (15-30 °C). Desiccate.


  • USP Grade
  • Presentation: White Crystalline Powder
  • Vapor Pressure: Low at ambient temperatures.(Lit.)

Formula: NH₂C(CH₂OH)₃
Boiling Pt: 219…220 °C (10 mmHg)) (lit.)
Melting Pt: 168…172 °C
Storage Temperature: Ambient
MDL Number: MFCD00004679
CAS Number: 77-86-1
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Specification Test Results

Identity Test A Passes
Identity Test B Passes
Identity Test C Passes
Assay 99.0-101.0%
Melting Point 168-172°C
pH (5% aq soln) 10.00-11.5
Loss on Drying (3 hr, 105°C) ≤1.0%
Residue on Ignition ≤0.1%
Heavy Metals ≤0.001%

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