Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), Ultrapure for molecular biology
Supplier: Thermo Scientific
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Warning
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J75825.A1
J75825.A9
J75825.A7
J75825.36
ALFAJ75825.A1EA
582
SGD
ALFAJ75825.A1
ALFAJ75825.A9
ALFAJ75825.A7
ALFAJ75825.36
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), Ultrapure for molecular biology
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)
Formula:
NH₂C(CH₂OH)₃ Boiling Pt: 219…220 °C (10 mmHg) Melting Pt: 171…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: 14,09772 |
Specification Test Results
Assay (unspecified) - Dry Basis | 99.8 - 100.1% |
Assay (unspecified) - Absorbance (250 nm, 1 M, 1 cm) | ≤0.1 |
Assay (unspecified) - Absorbance (290 nm, 40%, 1 cm) | ≤0.2 |
Identification (FTIR) | Conforms |
Residue on Ignition | ≤0.1% |
Insoluble Material | ≤0.005% |
Water Content (Karl Fischer Titration) | ≤1% |
Loss on Drying | ≤1% |
pH (5%, H₂O) | 10.0 - 11.5 |
pKa (20 °C) | 8.30 ±0.15 |
Arsenic (As) | ≤1 ppm |
Barium (Ba) | ≤1 ppm |
Cadmium (Cd) | ≤1 ppm |
Calcium (Ca) | ≤1 ppm |
Iron (Fe) | ≤1 ppm |
Lead (Pb) | ≤1 ppm |
Magnesium (Mg) | ≤1 ppm |
Manganese (Mn) | ≤1 ppm |
Zinc (Zn) | ≤1 ppm |
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