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TES BUFFER For Biochemistry

N-tris (hydroxymethyl) Methyl-2-aminoethane Sulphonic Acid

COAs

Packings

5 g (00005)

25 g (00025)

100 g (00100)

1GBA000015 1GBA000015 1GBA000450
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Article No. 6215F Grade For Biochemistry
Purity 99% CAS No. 7365-44-8
Molecular Formula C6H15NO6S Molecular Weight 229.25
H.S. Code 2922.1990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless Melting point/ Freezing point [°C] 225 °C
Solubility in water [% weight] 229.3 g/l at 20 °C

Specifications

Appearance White crystalline powder Assay (alkalimetric) Min 99%
Identity (IR) Passes test UV absorbance (at 250 nm; 5%; 1 cm; water) Max 0.05
Chloride (Cl) Max. 0.005% Sulphate (SO4) Max 0.005%
Heavy metal (as Pb) Max 0.0005% Sodium (Na) Max 0.005%
Loss on drying (at 105°C) Max 0.2% Biological buffer, pKa at 20°C 7.50

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date: 25-Oct-2013

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