Tris-(hydroksymetyl)aminometan ≥99.9% buffer substance, for analysis and biochemical purposes

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

28808.440EA 0 NOK
28808.440 28808.294
Tris-(hydroksymetyl)aminometan ≥99.9% buffer substance, for analysis and biochemical purposes
Tris-(hydroksymetyl)aminometan
Formel: NH₂C(CH₂OH)₃
MW: 121,14 g/mol
Kokepunkt: 357 °C (1013 hPa)
Smeltepunkt: 169…172 °C
Tetthet: 1,328 g/cm³ (20 °C)
Lagringstemperatur: Romtemperatur
MDL nummer: MFCD00004679
CAS-nummer: 77-86-1
EINECS: 201-064-4
Merck Indeks: 13,09842
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Spesifikasjon Testresultater

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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