Thionin perchlorate
Thionin perchlorate (CAS: 25137-58-0) is a chemical compound with the molecular formula C12H10ClN3O4S and a molecular weight of 327.74 g/mol. It is primarily utilised as a stain in cell biology, hematology, and histology. This compound is known for its properties as a dye, contributing to its application in various staining procedures within laboratory settings.

Biological Staining
Thionin perchlorate serves as a vital stain in biological research, particularly in cell biology and hematology. It aids in differentiating cellular structures and components for microscopic examination.
Histological Preparations
In histology, this compound is employed as a dye for tissue samples. It facilitates the visualisation of cellular morphology and tissue architecture, crucial for diagnostic and research purposes.
Laboratory Reagent
As a readily available laboratory reagent, Thionin perchlorate supports a range of analytical and research applications where specific staining properties are required.
| Molecular weight | 327.74 |
|---|---|
| Empirical formula | C12H10ClN3O4S |
| Assay | 95% |
| Melting point | >300 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 600 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 Thionin perchlorate used for?
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Thionin perchlorate is primarily used as a stain in cell biology, hematology, and histology for microscopic examination of cellular structures and tissue samples.
What are the CAS number and chemical formula for Thionin perchlorate?
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The CAS number for Thionin perchlorate is 25137-58-0, and its chemical formula is C12H10ClN3O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thionin perchlorate with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling Thionin perchlorate?
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Thionin perchlorate is classified with GHS07 and a Warning signal word. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment including a dust mask (type N95), eyeshields, and gloves should be used. Handle in a well-ventilated area.
How is Thionin perchlorate shipped and exported?
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Thionin perchlorate is carefully packed and exported by Tech Serve Solutions to meet global shipping standards for laboratory chemicals.
How can I request a quote or sample of Thionin perchlorate?
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To request a quote or sample of Thionin perchlorate, please contact our sales team through the TSS website or via the provided contact information.
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