Zincon sodium salt
Zincon sodium salt (CAS: 56484-13-0) is a chemical compound with the formula C20H16N4NaO6S · xNa. This dye is primarily used as an indicator in analytical chemistry, particularly for the complexometric titration of zinc. It forms coloured complexes with metal ions, enabling quantitative analysis in various laboratory settings. TSS supplies this reagent for research and development purposes.
- IUPAC
- 2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl]benzoic acid sodium salt,2-Carboxy-2′-hydroxy-5′-sulfoformazyl-benzene sodium salt

Metallochromic Indicator
Zincon sodium salt serves as a metallochromic indicator, forming distinct coloured complexes with metal ions. This property is extensively utilised in the complexometric titration of zinc, allowing for precise quantitative determination.
Analytical Reagent
As a versatile analytical reagent, it finds application in various spectrophotometric methods for metal ion analysis. Its ability to form stable, coloured chelates aids in the detection and quantification of specific elements in solution.
Cell Biology Staining
Within cell biology, Zincon sodium salt can be employed as a stain. Its differential staining properties allow for the visualisation of specific cellular components or structures in histological preparations.
| Linear formula | C20H16N4NaO6S · xNa |
|---|

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 523 nm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Zincon sodium salt used for?
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Zincon sodium salt is primarily used as a metallochromic indicator for the complexometric titration of zinc and as a reagent in spectrophotometric analysis of metal ions. It also finds application as a stain in cell biology and histology.
What is the CAS number and chemical formula for Zincon sodium salt?
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The CAS number for Zincon sodium salt is 56484-13-0. Its chemical formula is C20H16N4NaO6S · xNa.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Zincon sodium salt as a research or technical grade reagent. TSS does not represent this product as meeting USP, BP, or EP pharmacopoeia standards. Please refer to the product specifications for available purity details.
What are the safety and handling guidelines for Zincon sodium salt?
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Zincon sodium salt is a Warning substance that causes skin irritation (H315) and serious eye irritation (H319). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, must be used. Ensure adequate ventilation when handling.
How is Zincon sodium salt packed and shipped?
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Zincon sodium salt is carefully packed to ensure safe transit and is available for global export. Specific packaging details can be provided upon request.
How can I request a sample or quote for Zincon sodium salt?
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To request a sample or obtain a quotation for Zincon sodium salt, please contact the TSS sales team through our website or by phone. We are happy to assist with your specific requirements.
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