BES BUFFER For Biochemistry

N,N-bis (2-hydroxyethyl) 2-aminoethane sulphonic acid

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Article No.
1927D
Grade
For Biochemistry
Purity
99%
CAS No.
10191-18-1
Molecular Formula
C6H15NO5S
Molecular Weight
213.25
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 powder
pH value
2.5- 5.0
Melting point/ Freezing point [°C]
152 - 154 °C
Solubility in water [% weight]
213.3 g/l at 20 °C

Packings

  • 1PW1200060

    25 g (00025)

  • 1PW1200200

    100 g (00100)

 

Specifications

Appearance White 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 0.01%
Loss on drying (at 105°C) Max 0.5%
Biological buffer, pKa at 20°C 7.15

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H315-H319-H335
 Precaution Statement: P261-P305 + P351 + P338
Revision Date : 29-Nov-2018
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