Tris-(hydroxymethyl)-aminomethaan (TRIS) ≥99.9% buffer substance, for analysis and biochemical purposes
Leverancier: VWR Chemicals
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Waarschuwing
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Synoniemen:
Tris (Hydroxymethyl) Aminomethane
, Trometamol
, 2-Amino-2-(hydroxymethyl)propane-1,3-diol
28808.440EA
2930
EUR
28808.440
28808.294
Tris-(hydroxymethyl)-aminomethaan (TRIS) ≥99.9% buffer substance, for analysis and biochemical purposes
Tris-(hydroxymethyl)-aminomethaan (TRIS)
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Formule:
NH₂C(CH₂OH)₃ MW: 121,14 g/mol Kookpunt: 357 °C (1013 hPa) Smeltpunt: 169…172 °C Dichtheid: 1,328 g/cm³ (20 °C) Opslagtemperatuur: Kamertemperatuur |
MDL-nummer:
MFCD00004679 CAS-nummer: 77-86-1 EINECS: 201-064-4 Merck Index: 12,09902 |
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Specificaties testresultaten
| 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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