Overview

  • Product name
    Xylenol orange
  • Description
    Fluorochrome.
  • Alternative names
    • M-Cresolphthalexon S
    • NSC324982
    • O-Cresolphthalexon S
  • Biological description

    Fluorochrome useful in single and polychrome sequential labeling of calcifying tissues because it remains fixed to calcified tissues until removal of bone minerals. Can also be used to detect lipid hydroperoxide in low density lipoproteins by oxidizing ferrous ions from Fe2+ to Fe3+ under acidic conditions. After oxidation of ferrous ions, a Fe3+ Xylenol orange complex is formed which can be measured spectrophotometrically at 560 nm.


     Absorption: λmax 580 nm

Properties

  • Molecular weight
    760.60
  • Chemical structure
    Chemical Structure
  • Molecular formula
    C31H28N2Na4O13S
  • CAS Number
    3618-43-7
  • Storage instructions
    Store at Room Temperature. Store under desiccating conditions. The product can be stored for up to 12 months.
  • Solubility overview
    Soluble in water, 510g/L
  • 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:
  • Jiang ZY  et al. Ferrous ion oxidation in the presence of xylenol orange for detection of lipid hydroperoxide in low density lipoprotein. Anal Biochem 202:384-9 (1992). Read more (PubMed: 1519766) »
  • Rahn BA & Perren SM Xylenol orange, a fluorochrome useful in polychrome sequential labeling of calcifying tissues. Stain Technol 46:125-9 (1971). Read more (PubMed: 4105405) »

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Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE, NOT FOR USE IN HUMANS"

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