N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid (BES)

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Product description

Chinese name: N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid
English name: N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid
CAS Number: 10191-18-1
Molecular formula: C6H15NO5S
Molecular weight: 213.25
EINECS number: 233-465-5
Melting point: 150-155°C
Density: 1.210 (estimate)
Refractive index: 1.5500 (estimate)
Storage conditions: room temperature, sealed and protected from light
Packing: 25KG cardboard drum
Solubility H2O: 1Mat20°C, clear, colorless
Form: white powder
PH value: 2.5-5.0 Chemicalbook (25℃, 1MinH2O)
PH range of acid-base indicator discoloration: 6.4-7.8
Acidity coefficient (pKa):7.1(at25℃)7.15(at20℃)
Water solubility: easily soluble in water
Maximum wavelength (λmax)λ: 260nm Amax: 0.095λ: 280nm Amax: 0.080

Uses: Biological buffer, can also be used in laboratory research and development and chemical medicine synthesis process.

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