Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), Ultrapure for molecular biology

Supplier: Thermo Scientific
Warning

Synonyms: Tris (Hydroxymethyl) AminomethaneTrometamol2-Amino-2-(hydroxymethyl)propane-1,3-diol

J75825.36EA 69.7 EUR
J75825.36 J75825.A9 J75825.A1 J75825.A7
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.1% (dry basis), Ultrapure for molecular biology
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)
Formula: NH₂C(CH₂OH)₃
MW: 121,14 g/mol
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
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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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