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Xylenol Orange Indicator 0.1%

w/v Aqueous
Item # X1001
Weight N/A
Dimensions N/A
Available Size(s)

1L, 120mL, 500mL

Manufacturer

Packaging Type

Poly, Poly w/ Fliptop

Safety Data Sheet View/Download SDS
Sample COA View/Download Sample COA

Ready-to-use reagent. Prepared with ACS reagent grade Xylenol Orange and high purity water. Suitable for laboratory use.

Product Overview

Xylenol Orange is a highly sensitive metallochromic indicator used in complexometric titrations for the detection of various metal ions, including iron(III), zinc, aluminum, and rare earth metals. It forms colored complexes that undergo sharp transitions, typically shifting from red-violet to yellow as the metal ion is sequestered by a chelating agent like EDTA.

Xylenol Orange offers excellent visual clarity, making it ideal for both manual titration and spectrophotometric applications. It is available as a powder or in pre-mixed solution and performs well in acidic to slightly basic pH ranges depending on the metal system.

Key Features:

  • Sharp color change for reliable endpoint detection
  • Complexes with Fe³⁺, Al³⁺, Zn²⁺, and other polyvalent metals
  • Suitable for both visual and instrumental titrations
  • Functions in slightly acidic to near-neutral pH environments
  • Available in powder and ready-to-use solution formats

Applications:

  • Complexometric titrations in water and wastewater analysis
  • Determination of trace metals in environmental testing
  • Standardization of EDTA and other chelating agents
  • Educational demonstrations of chelation chemistry
  • Colorimetric detection in biochemical and industrial assays

Xylenol Orange provides precise, visible color shifts and reliable performance across a wide range of metal ion analyses, making it a valuable tool in analytical and educational chemistry.

 

Synonyms
3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein, Tetrasodium Salt Solution

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