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391333 Millipore

HEPES, Sodium Salt, ULTROL Grade - CAS 75277-39-3 - Calbiochem

A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.

Synonym: HEPES, Sodium Salt, ULTROL Grade - CAS 75277-39-3 - Calbiochem, N-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid, Na

  • CAS Number 75277-39-3

  • Empirical Formula (Hill Notation) C8H17N2O4S · Na

  • Molecular Weight 260.29

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Properties

Related Categories Loading Buffer and Tracking Dyes, Molecular Biology, Nucleic Acid Electrophoresis More...
Quality Level   100
assay   ≥99% dry basis (titration)
form   solid
mfr. no.   Calbiochem®
storage condition   OK to freeze
  desiccated
storage conditions   +15C to +30C
color   white
pKa (20 °C)   7.6
solubility   water: 1.0 M
anion traces   chloride (Cl-): <0.01%
  sulfate (SO42-): <0.05%
cation traces   heavy metals: <1 ppm
shipped in   ambient

Description

General description

A zwitterionic N-substituted aminosulfonic acid buffer(Absorbance: <0.10 at 260 nm, 1.0 mM, H2O). Active in the pH range of 6.0 to 8.5. Has a pKa of 7.6 at 20°C.

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

Absorbance (1.0 mM, H2O, 260 nm):<0.10.

Packaging

1 kg in Glass bottle

100, 500 g in Glass bottle

Warning

Toxicity: Standard Handling (A)

Safety & Documentation

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Documents

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