Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99.0%, Molecular Biology Grade Molecular biology grade, Calbiochem®

Supplier: MilliporeSigma

Irritant Warning

Warning

Synonyms: 2-Amino-2-(hydroxymethyl)propane-1,3-diol(tris), Tromethamine, Tris(hydroxymethyl)methylamine, 2-Amino-2-(hydroxymethyl)propane-1,3-diol, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, Trizma(R) base, TRIS base, THAM

648310-2.5KG 648310-500GM

CA80503-540EA 1739.19 CAD

CA80503-540 CA80503-542

Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99.0%, Molecular Biology Grade Molecular biology grade, Calbiochem®

Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)

TRIS base is useful in the pH range of 7.0-9.0. Has a pK_a of 8.1 at 25°C.

Formula: NH₂C(CH₂OH)₃
MW: 121.14 g/mol
Boiling Pt: 357 °C (1013 hPa)
Melting Pt: 169…172 °C
Density: 1.328 g/cm³ (20 °C)
Storage Temperature: Ambient

MDL Number: MFCD00004679
CAS Number: 77-86-1
EINECS: 201-064-4
Merck Index: 13,09842

https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=11a03d1ab6b2c11b9a2c83f0a73fc4264cec0110&vid=5ce890cdf298a59a7900a07fee1c857a5e5e61e0&prid=web&clid=SAPDAM

Specification Test Results

pKa	8.30 at 20°C
Purity	≥99% by titration test (perchloric acid titration)
Absorbance (260/280 nm)	≤0.03/≤0.02
Heavy metals	≤0.0005%
RNases, DNases, proteases	none detected
Storage	15 to 30 °C

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