TES BUFFER For Biochemistry

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

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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
MSDS
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Certificate of Analysis (COAs)
 

 

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

Packings

  • 1GBA000015

    5 g (00005)

  • 1GBA000015

    25 g (00025)

  • 1GBA000450

    100 g (00100)

 

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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