Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), BAKER ANALYZED® ACS, J.T.Baker®

Supplier: Avantor
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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

X171-03EA 0 INR
X171-03 X171-07 X171-05
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), BAKER ANALYZED® ACS, J.T.Baker®
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)
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
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Specification Test Results

Meets ACS Reagent Chemical Requirements 99.8 - 100.1 %
For Laboratory,Research,or Manufacturing Use 99.8 - 100.1 %
Assay (C₄H₁₁NO₃) (dried basis) 99.8 - 100.1 %
Absorbance of a 40% Solution: Passes Test
Water (H₂O)(by Karl Fischer titrn) ≤2 %
Insoluble Matter ≤0.005 %
Trace Impurities - ACS - Heavy Metals (as Pb) ≤5 ppm
Trace Impurities - Iron (Fe) ≤5 ppm
pH of 0.1M Solution at 25°C, For Information Only
Meets Reagent Specifications for testing USP/NF monographs

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