Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.8-100.5%, AnalaR NORMAPUR® analytical reagent
:77-86-1
:
:NH₂C(CH₂OH)₃
:MFCD00004679
:121.14 g/mol
:13,09842
:357 °C (1013 hPa)
:169…172 °C
:1,328 g/cm³ (20 °C)
:201-064-4
:GHS07
:Ambient
- 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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