5310-OP
HEPES
OmniPur® Grade, >= 99%, Free Acid
Synonym(s):
HEPES, N-2-Hydroxyethylpiperazine-N′-2-ethanesulfonic acid, 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)
About This Item
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Quality Level
form
fine powder
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
useful pH range
6.8-8.2
pKa (25 °C)
7.5
shipped in
ambient
storage temp.
10-30°C
SMILES string
OCCN1CCN(CC1)CCS(O)(=O)=O
InChI
1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)
InChI key
JKMHFZQWWAIEOD-UHFFFAOYSA-N
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General description
Molecular Biology grade
A260 (0.1 M, water): ≤0.05 AU
A280 (0.1 M, water): ≤0.05 AU
Assay (dried basis): ≥99
DNase: None detected
Heavy metals (as Pb): ≤0.001%
Phosphatase: None detected
pKa at 25°C: 6.80-8.20
Protease: None detected
RNase: None detected
Intended for laboratory and manufacturing use only. Not for drug, food, or household use.
Legal Information
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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