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HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid ≥99% (dry basis), powder, Ultrapure

Supplier: THERMO SCIENTIFIC CHEMICALS INC MS

J16926-A1 J16926-22 J16926-30 J16926-A7
101170-476EA 646.75 USD InStock
101170-476 101175-052 101170-478 101173-706
HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid ≥99% (dry basis), powder, Ultrapure
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid)
White crystalline powder


Formula: C₈H₁₈N₂O₄S
Melting Pt: ∼ 236 °C (dec.)
Density: 1.448 g/cm³ (20 °C)
Storage Temperature: Ambient
 MDL Number: MFCD00006158
CAS Number: 7365-45-9
EINECS: 230-907-9
Merck Index: 13,04672
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=4cdc09c866676149941b93b2cac8d453175059a2&vid=2209af1f39056d621b3c53488e816f5332a603f5&prid=web&clid=SAPDAM https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=cc04763bdb604a22b88a12360e93b1d1b17277e0&vid=72fcc850bfa92eaa75b004604d5e1dc9e7144633&prid=web&clid=SAPDAM
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Specification Test Results
Assay (Unspecified) ≥99.0% (Dry Basis)
Identification (FTIR) Conforms
pKa (20 °C) 7.55 ±0.15
A (250 nm, 1 M, 1 cm) ≤0.2
Loss on Drying ≤0.5%
Residue on Ignition ≤0.1%
Chloride (Cl) ≤0.005%
Phosphate (PO₄) ≤0.001%
Sulfate (SO₄) ≤0.01%
Iron (Fe) ≤5 ppm
Heavy Metals (Pb) ≤10 ppm
Assay (Unspecified) Absorbance (250 nm, 1 M, 1 cm) ≤0.2

 

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