Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 68,0 - 70,0% (by acidimetry), AR® ACS, Macron Fine Chemicals™

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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

MACR1409-46EA 0 INR
MACR1409-46 MACR1409-04
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 68,0 - 70,0% (by acidimetry), 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
UN: 2031
ADR: 8,II
Merck Index: 13,09842
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Specification Test Results

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use
Appearance Passes Test
ACS - Assay (HNO₃) (by acidimetry) 68.0 - 70.0 %
ACS - Color (APHA) ≤10
ACS - Residue after Ignition ≤5 ppm
ACS - Chloride (Cl) ≤0.5 ppm
ACS - Sulfate (SO₄) ≤1 ppm
ACS - Arsenic (As) ≤0.010 ppm
ACS - Heavy Metals (as Pb) ≤0.2 ppm
Trace Impurities - ACS - Iron (Fe) ≤0.200 ppm

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