TES BUFFER For Biochemistry

TES BUFFER For Biochemistry

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Category: Biological Buffers

Description
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Description

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

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

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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

Packings

5 g	00005
25 g	00025
100 g	00100

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