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HEPES, Sodium Salt

Catalog# 17,120

Product: HEPES, Na Salt

Description: A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25C.

Synonyms: N-2-Hydroxyethylpiperazine-N′-2-ethanesulfonic Acid, Na

Molecular Formula: C8H17N2O4SNa

Molecular Weight: 260.3

CAS Number: 75277-39-3.

Appearance: White solid. Hygroscopic.

Purity: 99% by titration; chloride: <0.01%; sulfate: <0.05%. Heavy metals: <1 ppm. Absorbance (1.0 mM, H2O, 260 nm):<0.15.

Storage/Handling: Room temp (+20C)

Shipping: Express Courier

For laboratory use only

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Last updated: 06/20/06.