69890
MES hydrate
BioUltra, ≥99.5% (T)
Synonym(s):
2-(N-Morpholino)ethanesulfonic acid hydrate, 4-Morpholineethanesulfonic acid
About This Item
Recommended Products
product line
BioUltra
Quality Level
assay
≥99.5% (T)
form
powder or crystals
impurities
insoluble matter, passes filter test
ign. residue (900 °C)
≤0.05%
pH
2.5-4.0 (25 °C, 0.5 M in H2O)
useful pH range
5.5-6.7
pKa
6.1
solubility
H2O: 0.5 M at 20 °C, clear, colorless
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This Item | M2933 | M5287 | RDD030 |
---|---|---|---|
product line BioUltra | product line - | product line BioXtra | product line Redi-Dri™ |
Quality Level 200 | Quality Level 400 | Quality Level 400 | Quality Level 100 |
form powder or crystals | form crystalline powder | form crystalline powder | form - |
solubility H2O: 0.5 M at 20 °C, clear, colorless | solubility water: 335.3 g/L at 20 °C | solubility H2O: 0.5 M, clear, colorless, water: 335.3 g/L at 20 °C | solubility - |
pH 2.5-4.0 (25 °C, 0.5 M in H2O) | pH - | pH 2.5-4.0 (0.5 M in H2O) | pH - |
General description
Preparation Note
Other Notes
Sterilization: Sterilization should be by filteration through 0.2μM filters. Autoclaving is not recommended by any sulfonic acid buffers. If buffers must be nuclease-free, it is best to treat the water, then add the buffer solids after autoclaving. When MES solutions are autoclaved, they turn yellow (although pH does not change measurably. The identity of the yellow breakdown product is unknown.
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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