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MES, free acid

crystalline powder

For further processing only.

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Order information
MES, free acid material number and pack size:
Material Number Pack Size
04808177103 custom fill
Will be supplied as "4-Morpholineethane Sulfonic Acid (Mes)". Unit of measure is "kg".
Buffer for a variety of diagnostic tests, such as glucose test.
Use MES as a buffer in reagents that require a pH of approximately 6.
Nomenclature: 4-Morpholineethane sulphonic acid
Formula: C6H13NO4S
Molecular weight: 195.2 D
Suggested pH range: 5.5-6.7
Appearance: White, crystalline powder
Solubility: Clear, colorless solution in water (20 mg/mL)
Identity (NIR): Corresponds to reference
PVS/IgI screening: ≤1 ppm
MES (alkalimetric, based on dry weight): ≥98.0%
Water (K. Fischer): ≤10.0%
Na (flame photometric): ≤20 ppm
Stability: At +15 to +25°C within specification range for 24 months.