Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.0-101.0% (dry basis)
Supplier: Thermo Scientific
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Warning
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J22674.A1
J22674.A7
J22674.36
ALFAJ22674.A1EA
415
SGD
ALFAJ22674.A1
ALFAJ22674.A7
ALFAJ22674.36
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.0-101.0% (dry basis)
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)
Formula:
NH₂C(CH₂OH)₃ Boiling Pt: 219…220 °C (10 mmHg) Melting Pt: 171…172 °C Storage Temperature: Ambient |
MDL Number:
MFCD00004679 CAS Number: 77-86-1 EINECS: 201-064-4 Merck Index: 14,09772 |
Specification Test Results
Assay (Dry Basis) | 99.0 - 101.0% |
Assay Absorbance (250 nm, 1 M, 1 cm) | ≤0.1 |
Assay Absorbance (290 nm, 40%, 1 cm) | ≤0.2 |
Loss on Drying | ≤1% |
pH (5%, H₂O) | 10.0 - 11.5 |
Identification (FTIR) | Conforms |
Residue on Ignition | ≤0.1% |
Insoluble Material | ≤0.005% |
Heavy Metals (Pb) | ≤5 ppm |
Iron (Fe) | ≤5 ppm |
pKa (20 °C) | 8.30 ±0.15 |
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