Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), AR® ACS, Macron Fine Chemicals™

Supplier: Avantor Performance Materials
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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

MACR1806-10EA 0 INR
MACR1806-10 MACR1806-11 MACR1806-57
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), AR® ACS, Macron Fine Chemicals™
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
For Laboratory,Research,or Manufacturing Use 99.8 - 100.1 %
ACS - Assay (NH₂C(CH₂OH)₃) (dried basis) 99.8 - 100.1 %
ACS - Insoluble Matter ≤0.005 %
ACS - Loss on Drying at 105°C ≤1.0 %
ACS - pH of 0.05M Solution at 25°C 10.3 - 10.5
ACS - Water (H₂O)(by Karl Fischer titrn) ≤2 %
ACS - Heavy Metals (as Pb) ≤5 ppm
ACS - Iron (Fe) ≤5 ppm
ACS - Absorbance Passes Test
Appearance (white crystalline granules or powder)

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