N,N-双(2-羟乙基)-2-氨基乙磺酸，BES；BioXtra, ≥99.0% (titration)

产品线

BioXtra

质量水平

400

测定

≥99.0% (titration)

形式

crystalline

杂质

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

灼烧残渣

≤0.2%

pH值（酸碱度）

2.5-5.0 (25 °C, 213.3 g/L)

useful pH range

6.4-7.8

pKa (25 °C)

7.1

溶解性

H₂O: 1 M, clear, colorless

痕量阴离子

chloride (Cl^-): ≤0.05%
sulfate (SO₄^2-): ≤0.05%

痕量阳离子

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH₄⁺: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

吸光度

≤0.080 at 280 in H₂O at 1 M
≤0.095 at 260 in H₂O at 1 M

SMILES string

OCCN(CCO)CCS(O)(=O)=O

InChI

1S/C6H15NO5S/c8-4-1-7(2-5-9)3-6-13(10,11)12/h8-9H,1-6H2,(H,10,11,12)

InChI key

AJTVSSFTXWNIRG-UHFFFAOYSA-N