Tris-(hydroxymethyl)-aminomethaan (TRIS) 99.8-100.5%, AnalaR NORMAPUR® analytical reagent
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
103156XEA
98.3
EUR
103156X
10315AC
103157P
103154M
Tris-(hydroxymethyl)-aminomethaan (TRIS) 99.8-100.5%, AnalaR NORMAPUR® analytical reagent
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 anhydrous) | 99.8 - 100.5 % |
| Appearance | White crystalline powder |
| Identification | Passes test |
| Heavy metals (as Pb) | Max. 5 ppm |
| Ignition residue (SO4) | Max. 100 ppm |
| Insolubility in water | Max. 30 ppm |
| Water | Max. 0.1 % |
| Cl (Chloride) | Max. 5 ppm |
| SO4 (Sulphate) | Max. 5 ppm |
| As (Arsenic) | Max. 0.2 ppm |
| Ca (Calcium) | Max. 10 ppm |
| Cd (Cadmium) | Max. 0.1 ppm |
| Cu (Copper) | Max. 0.1 ppm |
| Fe (Iron) | Max.1 ppm |
| K (Potassium) | Max. 1 ppm |
| Mg (Magnesium) | Max. 0.3 ppm |
| Na (Sodium) | Max. 5 ppm |
| Pb (Lead) | Max. 0.1 ppm |
| Absorbance (280 nm) (0.5 mol/l) | Max. 0.05 |
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