Tris(hydroksymetylo)aminometan ≥99.9% buffer substance, for analysis and biochemical purposes
Dostawca: VWR Chemicals
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Uwaga
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Synonim:
Tris (Hydroxymethyl) Aminomethane
, Trometamol
, 2-Amino-2-(hydroxymethyl)propane-1,3-diol
28808.440EA
8550
PLN
28808.440
28808.294
Tris(hydroksymetylo)aminometan ≥99.9% buffer substance, for analysis and biochemical purposes
Tris(hydroksymetylo)aminometan
Formuła:
NH₂C(CH₂OH)₃ MW: 121,14 g/mol Temp. Wrzenia: 357 °C (1013 hPa) Temp. topnienia: 169…172 °C Gęstość: 1,328 g/cm³ (20 °C) Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00004679 Numer CAS: 77-86-1 Numer WE (dawny EINECS): 201-064-4 Klasyfikacja Merck : 12,09902 |
Wyniki testów specyfikacyjnych
Assay (calculated on dried substance) | Min. 99.9 % |
Colouration (20 %; water) | Max. 20 APHA |
Melting point | Min. 170 °C |
pH (20°C; 5 %) | 10.0 - 11.5 |
Heavy metals (as Pb) | Max. 1 ppm |
Insolubility in water | Max. 50 ppm |
Water | Max. 0.2 % |
Absorbance (260 nm) (1 mol/l) | Max 0.05 |
Absorbance (280 nm) (1 mol/l) | Max. 0.03 |
Absorbance (430 nm) (1 mol/l) | Max. 0.004 |
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