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TAPS BUFFER For Biochemistry

N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid

COAs

Packings

25 g (00025)

100 g (00100)

1PW1200060 1PW1200200
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Article No. 06194 Grade For Biochemistry
Purity 99% CAS No. 29915-38-6
Molecular Formula C7H17NO6S Molecular Weight 243.28
H.S. Code 2922.1990 Shelf Life 36 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless Melting point/ Freezing point [°C] 230 - 235 °C
Flash point [°C] > 110 °C Solubility in water [% weight] 121.6 g/l at 20 °C

Specifications

Appearance White crystalline powder Assay (alkalimetric) Min 99%
UV absorbance (at 250 nm; 20 g/l; 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 8.40
Revision Date: 26-Oct-2013

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