1.15228
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid
pKa (20 °C)7.15, ≥99% (alkalimetric)
别名:
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid, BES
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关于此项目
经验公式（希尔记法）:
C6H15NO5S
化学文摘社编号:
分子量:
213.25
UNSPSC Code:
12161703
EC Index Number:
233-465-5
NACRES:
NA.05
MDL number:
产品名称
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid, pKa (20 °C)7.15, ≥99% (alkalimetric)
SMILES string
[S](=O)(=O)([O-])CC[N+H](CCO)CCO
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
assay
≥99% (alkalimetric)
form
solid
pKa (20 °C)
7.15
storage temp.
2-30°C
Quality Level
Analysis Note
Assay (alkalimetric): ≥ 99 %
Identity (IR-spectrum): passes test
UV-Absorption (250 nm, 50 g/l, 1 cm, water): ≤ 0.05
Chloride (Cl): ≤ 0.005 %
Sulphate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Loss on Drying (105°C): ≤ 0.5 %
Biological buffer, pKa at 20 °C: 7.15
Identity (IR-spectrum): passes test
UV-Absorption (250 nm, 50 g/l, 1 cm, water): ≤ 0.05
Chloride (Cl): ≤ 0.005 %
Sulphate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Loss on Drying (105°C): ≤ 0.5 %
Biological buffer, pKa at 20 °C: 7.15
General description
buffer substance BES
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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