1.15231
2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid sodium salt
pKa (20 °C)7.55, ≥99% dry basis (perchloric acid titration)
别名:
2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid sodium salt
产品名称
2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid sodium salt, pKa (20 °C)7.55, ≥99% dry basis (perchloric acid titration)
InChI
1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1
InChI key
RDZTWEVXRGYCFV-UHFFFAOYSA-M
assay
≥99% dry basis (perchloric acid titration)
form
solid
pKa (20 °C)
7.55
storage temp.
2-30°C
Analysis Note
Assay (perchloric acid titration, calculated on dried substance): ≥ 99
Identity (IR-spectrum): passes test
UV-Absorption (250 nm, 20 g/l, 1 cm, water): ≤ 0.06
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Loss on Drying (105 °C): ≤ 6.0
Biological buffer, pKa at 20 °C: 7.55
Identity (IR-spectrum): passes test
UV-Absorption (250 nm, 20 g/l, 1 cm, water): ≤ 0.06
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Loss on Drying (105 °C): ≤ 6.0
Biological buffer, pKa at 20 °C: 7.55
General description
buffer substance HEPES-Na
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_c
Not applicable
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