Fast Red ITR Salt
Fast Red ITR Salt (CAS 27580-14-9), a diazonium salt with the molecular formula C11H16ClN3O3S · 1/2ZnCl2 and a molecular weight of 373.93, is primarily used as a stain in biological and histological applications. Its properties make it valuable for visualizing cellular structures and tissues, contributing to accurate diagnoses and research findings in hematology and cell biology. This compound is supplied by Tech Serve Solutions for laboratory and research purposes.
- IUPAC
- 5-Diethylaminosulfonyl-2-methoxybenzenediazonium chloride hemi(zinc chloride) salt

Histological Staining
Fast Red ITR Salt is employed as a component in staining solutions for microscopy. It aids in the differential coloration of tissue sections, enhancing the visibility of cellular components and structures for pathological examination.
Cell Biology Research
In cell biology, this diazonium salt can be utilized in various staining protocols to identify and differentiate cell types or specific cellular components. Its application helps in understanding cellular morphology and function.
Hematological Analysis
The compound finds application in hematology for the staining of blood cells and bone marrow samples. It assists in the identification and classification of different blood cell lineages, crucial for diagnostic purposes.
| Molecular weight | 373.93 |
|---|---|
| Linear formula | C11H16ClN3O3S · 1/2ZnCl2 |
| Storage temperature | −20°C |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
- H351Suspected of causing cancer
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-40 |
| Safety statements (S) | 22-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 37150 |
|---|
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 Fast Red ITR Salt primarily used for?
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Fast Red ITR Salt is primarily used as a stain in cell biology, hematology, and histology for the visualization and differentiation of cellular structures and tissues.
What is the CAS number and chemical formula for Fast Red ITR Salt?
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The CAS number for Fast Red ITR Salt is 27580-14-9. Its linear formula is C11H16ClN3O3S · 1/2ZnCl2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Fast Red ITR Salt typically as a laboratory or research grade chemical. The exact purity or assay is available on the product's Certificate of Analysis. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Fast Red ITR Salt?
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Fast Red ITR Salt carries hazards including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), and H332 (Harmful if inhaled), and H351 (Suspected of causing cancer). Handling requires a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet (SDS) for comprehensive guidance.
How is Fast Red ITR Salt packed, shipped, and exported?
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Fast Red ITR Salt is carefully packaged to maintain its integrity during transit. As a global supplier, Tech Serve Solutions exports this chemical, adhering to all relevant international shipping and customs regulations.
How can I request a sample or quote for Fast Red ITR Salt?
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To request a sample or a quote for Fast Red ITR Salt, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels. Please specify the quantity required and your delivery location.
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