Sulfochlorophenol S sodium calcium salt
Sulfochlorophenol S sodium calcium salt (CAS: 108321-09-1), with the molecular formula C22H14Cl2N4O16S4 and a molecular weight of 789.53 g/mol, is a specialized chemical compound. This product is primarily utilised as a staining agent, finding application in various biological and histological preparations. Its precise chemical structure and properties make it suitable for specific diagnostic and research procedures within these fields.
- IUPAC
- 2,7-Bis(2-hydroxy-3-sulfo-5-chlorophenylazo)-1,8-di-hydroxynaphthalene-3,6-disulfonic acid

Histological Staining
Used in histology for the differential staining of tissue samples. It helps in visualising cellular structures and components, aiding in microscopic examination and diagnosis.
Cell Biology Research
Applied in cell biology studies for staining specific cellular components or features. This enables researchers to better understand cell morphology and function.
Hematology Applications
May be employed in hematological staining techniques for blood cell analysis. It assists in differentiating various blood cell types and identifying abnormalities.
| Molecular weight | 789.53 |
|---|---|
| Empirical formula | C22H14Cl2N4O16S4 |
| Storage temperature | 2-8°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Sulfochlorophenol S sodium calcium salt used for?
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Sulfochlorophenol S sodium calcium salt is primarily used as a staining agent in histology and cell biology, as well as potentially in hematology, for the visualisation of cellular structures and components.
What are the CAS number and formula for Sulfochlorophenol S sodium calcium salt?
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The CAS number for Sulfochlorophenol S sodium calcium salt is 108321-09-1, and its molecular formula is C22H14Cl2N4O16S4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sulfochlorophenol S sodium calcium salt with the MDL number MFCD00151404, which indicates a research or technical grade. TSS does not represent this product as USP, BP, EP, or for pharmaceutical, food, or nutraceutical use.
How should Sulfochlorophenol S sodium calcium salt be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used for respiratory protection. This compound is classified under WGK Germany 3, indicating a high hazard to water.
How is this product shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, handling the logistics for international distribution with expertise.
How can I request a sample or quote?
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Please contact our sales team directly through the website or by phone to request a sample or a detailed quotation for Sulfochlorophenol S sodium calcium salt.
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