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CS-W001157 4
Total: USD 88.00

Xylenol orange, indicator

  • CAS No. 1611-35-4

  • Cat. No. CS-0169096
  • PurityIND
  • MDL No.MFCD00014580

*For research and further manufacturing use only, not for direct human use.

Xylenol orange, indicator|CS-0169096

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General Information

  • CAS No. 1611-35-4
  • Cat. No. CS-0169096
  • Purity IND
  • MDL No. MFCD00014580
  • Storage 4°C, sealed storage, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₃₁H₃₂N₂O₁₃S
  • Molecular Weight 672.66
  • Synonym(s) Xylenol orange
  • SMILES O=C(CN(CC1=C(O)C(C)=CC(C2(C3=CC(CN(CC(O)=O)CC(O)=O)=C(O)C(C)=C3)OS(=O)(C4=C2C=CC=C4)=O)=C1)CC(O)=O)O

Description

Xylenol orange functions as a sensitive metal-ion indicator, featuring a distinct color shift upon coordination with transition metals. This pH-dependent chromogenic reagent integrates seamlessly into titration workflows, offering clear visual detection of endpoint transitions in complexometric analyses.

Application

Xylenol orange serves as a reliable metal ion indicator in complexometric titrations, particularly for calcium and rare earth elements. Its distinct color change—from red to yellow—upon coordination with metal ions enables clear visual endpoint detection. The compound exhibits good stability in aqueous solutions and maintains consistent performance across a pH range of 5–6, making it well-suited for routine analytical workflows in industrial and academic laboratories.

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

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Computational Chemistry Data

  • TPSA   239.51
  • LogP   1.66784
  • H_Acceptors   11
  • H_Donors   6
  • Rotatable_Bonds   14

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