Xylenol Orange TCI B0477

Chemical Identity

CAS No.: 1202864-39-8
PubChem: CID 45100530·SID 87563509
Formula: C31H30N2Na2O13S
Molecular weight: 716.6 g/mol

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: disodium;2-[[5-[(Z)-[3-[[bis(carboxymethyl)amino]methyl]-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene]-(2-sulfophenyl)methyl]-2-hydroxy-3-methylphenyl]methyl-(carboxylatomethyl)amino]acetate
SMILES: CC1=CC(=CC(=C1O)CN(CC(=O)[O-])CC(=O)[O-])/C(=C/2\C=C(C(=O)C(=C2)CN(CC(=O)O)CC(=O)O)C)/C3=CC=CC=C3S(=O)(=O)O.[Na+].[Na+]
InChIKey: VETWOUXGOYUBFX-HHOLBVMYSA-L

Rp 928.200,00

~~Rp 664.650,00~~ Rp 928.200,00

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Xylenol Orange is a chemical dye widely used in laboratory settings for its ability to bind with specific metal ions, particularly heavy metals such as lead and zinc. This compound plays a crucial role in analytical chemistry, serving as a valuable tool for detecting and quantifying the presence of these ions in various samples. Its application extends to both qualitative and quantitative analysis, making it an essential component in experimental research. Due to its sensitivity to environmental changes, Xylenol Orange is frequently employed in colorimetric assays and titration processes where precise detection is required.

One of the key reasons for its popularity is its chemical stability under controlled conditions, combined with its high visibility due to its distinct color. The dye’s sensitivity to pH and metal ion concentration allows for accurate and reliable results in analytical procedures. Its clear and easily observable color makes it ideal for visual inspection during experiments, ensuring that even minor changes in solution composition can be detected. These properties make Xylenol Orange a preferred choice for researchers seeking precision and clarity in their work.

In Indonesian laboratories, Xylenol Orange is commonly used in chemical and environmental analysis. It is particularly useful in detecting heavy metals in water samples, aiding in environmental monitoring and pollution studies. Its reliability and ease of use have made it a staple in many research facilities, supporting a wide range of scientific investigations. The compound’s consistent performance and clear visual response contribute to its widespread adoption in both academic and industrial research settings.

TCI brochures (PDF)

Titration Reagents and TLC Stains 2026-05-07 · p. 8

Related TCI products

Heavy Metal Detection in Environmental Samples – Xylenol Orange is ideal for identifying lead, zinc, and other heavy metals in water and soil due to its strong binding affinity and clear color change.
Qualitative and Quantitative Analysis – Its sensitivity to pH and metal ion concentration allows for accurate detection and measurement in analytical chemistry experiments.
Colorimetric Assays – The dye’s distinct color provides a visual indicator for detecting changes in solution composition, making it suitable for colorimetric testing.
Titration Processes – Its ability to form complexes with metal ions makes it useful in titration methods for determining metal concentrations in samples.
Research and Development in Chemistry – Xylenol Orange is frequently used in experimental setups where precise detection of metal ions is required for scientific studies.

Brand	TCI
CAS number	1202864-39-8
Molecular formula	—
Purity	—
Category	Chemistry > Stains and Dyes (for Research and Experimental Use) > Stains and Dyes (Other) (for Research and Experimental Use)
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Powder or solid (as per product packaging)
Storage	Store in a cool, dry place away from direct sunlight and moisture

Xylenol Orange should be stored in a cool, dry environment to maintain its chemical stability and prevent degradation. It is recommended to keep the compound in a tightly sealed container to avoid exposure to moisture and air, which can affect its performance. Due to its sensitivity to pH and metal ion concentration, it is important to handle the substance with care to prevent contamination. Proper labeling of storage containers is essential for safety and traceability. In laboratory settings, it should be kept away from incompatible materials and stored in a designated chemical storage area to ensure safe handling and long-term usability.

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