m-Cresol purple, pH indicator dye (ab146318)

Overview

  • Product name

    m-Cresol purple, pH indicator dye
  • Description

    pH indicator dye.
  • Alternative names

    • 2',2''-Dimethylphenolsulfonphthalein
    • 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
    • 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)
    • Cresol purple
    • M-Cresolsulfonephthalein
    • m-Cresolsulfonphthalein
    • MCP
    see all
  • Biological description

    pH indicator dye used primarily in spectrophotometric pH measurements. Acidic and hydrophobic. The useful pH ranges are 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet).

  • CAS Number

    2303-01-7
  • Chemical structure

    Chemical Structure

Properties

  • Chemical name

    4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methylphenol]
  • Molecular weight

    382.43
  • Molecular formula

    C21H18O5S
  • Storage instructions

    Store at Room Temperature. The product can be stored for up to 12 months.
  • 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:

  • Tambutté E  et al. Morphological plasticity of the coral skeleton under CO2-driven seawater acidification. Nat Commun 6:7368 (2015). Read more (PubMed: 26067341) »
  • Mitchell RP  et al. Apical extrusion of sodium hypochlorite using different root canal irrigation systems. J Endod 37:1677-81 (2011). Read more (PubMed: 22099904) »
  • Noto A  et al. Simple, rapid spectrophotometry of urinary N-acetyl-beta-D-glucosaminidase, with use of a new chromogenic substrate. Clin Chem 29:1713-6 (1983). Read more (PubMed: 6616814) »

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