HPTS, Fluorescent membrane-impermeant pH indicator (ab145413)

Overview

  • Product name

    HPTS, Fluorescent membrane-impermeant pH indicator
  • Description

    Fluorescent membrane-impermeant pH indicator.
  • Alternative names

    • 8-Hydroxypyrene-1,3,6-trisulfonic acid
    • Pyranine
    • Solvent Green 7
    • Trisodium 8-hydroxypyrene-1,3,6-trisulfonate
  • Biological description

    Fluorescent membrane-impermeant pH indicator.

  • Purity

    > 98%
  • CAS Number

    27928-00-3
  • Chemical structure

    Chemical Structure

Properties

  • Excitation

    460nm
  • Emission

    510nm
  • Chemical name

    8-Hydroxypyrene-1,3,6-trisulfonic acid
  • Molecular weight

    524.39
  • Molecular formula

    C16H7Na3O10S3
  • Storage instructions

    Store at -20°C. Store under desiccating conditions. The product can be stored for up to 12 months.
  • Solubility overview

    Soluble in DMSO
  • Handling

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

  • Source

    Synthetic

References

This product has been referenced in:

  • Mills A & Yusufu D Highly CO2 sensitive extruded fluorescent plastic indicator film based on HPTS. Analyst 141:999-1008 (2016). Read more (PubMed: 26677800) »
  • Jung G  et al. Solvent-dependent steady-state fluorescence spectroscopy for searching ESPT-dyes: solvatochromism of HPTS revisited. Phys Chem Chem Phys 11:1416-26 (2009). Read more (PubMed: 19224043) »
  • Oter O  et al. Emission-based optical carbon dioxide sensing with HPTS in green chemistry reagents: room-temperature ionic liquids. Anal Bioanal Chem 386:1225-34 (2006). Read more (PubMed: 16896616) »

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