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391340 Millipore

HEPES, Free Acid, Molecular Biology Grade - CAS 7365-45-9 - Calbiochem

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

Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, HEPES, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid), N-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid

  • CAS Number 7365-45-9

  • Empirical Formula (Hill Notation) C8H18N2O4S

  • Molecular Weight 238.30

  •  Beilstein/REAXYS Number 883043

  •  MDL number MFCD00006158

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Properties

Quality Level   100
assay   ≥99% (alkalimetric)
form   solid
mfr. no.   Calbiochem®
storage condition   OK to freeze
storage conditions   +15C to +30C
color   white
useful pH range   6.8 - 8.2
pKa (25 °C)   7.5
solubility   water: 400 mg/mL
  aqueous base: soluble
cation traces   heavy metals: ≤0.0005%
foreign activity   DNase, RNase, and protease, none detected
shipped in   ambient
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

Description

General description

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

Packaging

25 g in Glass bottle

250 g in Plastic ampoule

Warning

Toxicity: Standard Handling (A)

Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.
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