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

Supplier: THERMO SCIENTIFIC CHEMICALS INC MS
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J75825-36 J75825-A1 J75825-A7 J75825-A9
101174-856EA 112.03 USD InStock
101174-856 101170-654 101173-310 101375-578
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: 357
Melting Pt: 171…172 °C
Storage Temperature: Ambient
 MDL Number: MFCD00004679
CAS Number: 77-86-1
EINECS: 201-064-4
Merck Index: 14,9772
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=11a03d1ab6b2c11b9a2c83f0a73fc4264cec0110&vid=b84ca1743f9dfe50eb47c249460ab41a6772ceb2&prid=web&clid=SAPDAM
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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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