True Blue Chloride
True Blue Chloride (CAS: 71431-30-6, C20H18Cl2N4O2) is a fluorescent dye offering a vibrant blue colouration in the cytoplasm under UV light excitation. This divalent cationic dye is noted for its stability during immunohistochemical processing, making it a reliable choice for various laboratory applications. Its specific spectral properties and robust performance in histological preparations ensure clear visualization in biological research.
- IUPAC
- 2,2′-(1,2-ethenediyl)bis-dihydrochloride dihydrochloride,5-Benzofurancarboximidamide

Cytoplasmic Staining
True Blue Chloride is utilized as a fluorescent dye to stain the cytoplasm of cells. It exhibits a distinct blue fluorescence when excited by UV light, allowing for clear visualization of cellular structures.
Histological and Hematological Staining
This compound is suitable for use in hematology and histology, serving as a stain with good stability in common processing techniques. It aids in the differential staining of cellular components.
Immunohistochemistry
The dye demonstrates stability throughout immunohistochemical processing, ensuring reliable results in complex staining procedures. This property makes it valuable for researchers studying cellular markers.
| Molecular weight | 417.29 |
|---|---|
| Empirical formula | C20H18Cl2N4O2 |
| Application | UV light-excitable, divalent cationic dye stains the cytoplasm with blue fluorescence. Shows stability in immunohistochemical processing. |
| 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 True Blue Chloride used for?
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True Blue Chloride is a UV light-excitable, divalent cationic dye that stains the cytoplasm with blue fluorescence. It shows stability in immunohistochemical processing and is used in cell biology, hematology, and histology.
What are the CAS number and chemical formula for True Blue Chloride?
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The CAS number for True Blue Chloride is 71431-30-6, and its chemical formula is C20H18Cl2N4O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies True Blue Chloride, with the specific grade and purity detailed on the product's Certificate of Analysis. We do not represent this product as USP, BP, EP, or pharmacopoeia grade unless explicitly stated.
What are the safety and handling precautions for True Blue Chloride?
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Handling True Blue Chloride requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified under WGK Germany 3, indicating a hazard to water.
How is True Blue Chloride packed, shipped, and exported?
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True Blue Chloride is carefully packed to ensure stability and integrity during transit. As a global supplier and exporter, Tech Serve Solutions adheres to all relevant shipping regulations for chemical compounds.
How can I request a sample or quote for True Blue Chloride?
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To request a sample or a quote for True Blue Chloride, please contact the Tech Serve Solutions sales team through our website or by calling our main office. Our team will be pleased to assist you.
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