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HEPES, Free Acid

Catalog# 17,110

Product: HEPES, Free Acid

Description: A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25C.

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

Molecular Formula: C8H18N2O4S

Molecular Weight: 238.3

CAS Number: 7365-45-9.

Appearance: White solid.

Purity: ≥ 99% by titration; Chloride: ≤0.01%; Sodium: ≤0.1%; Sulfate: ≤0.05%. Heavy metals: ≤1 ppm.

Storage/Handling: Room temp (+20C)

Shipping: Express Courier

RTECS: TL6809000


References:  Merck Index 13, 4672.

For laboratory use only

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Last updated: 06/20/06.