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

Supplier: THERMO SCIENTIFIC CHEMICALS INC MS

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101170-476EA 646.75 USD

101170-476 101175-052 101170-478 101173-706

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

HEPES (4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid)

White crystalline powder

Formula: C₈H₁₈N₂O₄S
MW: 238.31 g/mol
Melting Pt: ∼ 236 °C (dec.)
Storage Temperature: Ambient

MDL Number: MFCD00006158
CAS Number: 7365-45-9
EINECS: 230-907-9
Merck Index: 14,4654

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

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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