H7637
HEPES hemisodium salt
≥99% (titration)
Synonym(s):
4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid hemisodium salt, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) hemisodium salt
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About This Item
SMILES string
[Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O
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% (titration)
form
powder
pH
7.4-7.7 (25 °C, 0.1 M in water)
useful pH range
6.8-8.2
pKa
7.5
solubility
water: soluble 0.5 g/mL
application(s)
diagnostic assay manufacturing
storage temp.
room temp
Quality Level
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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