Phenosafranin
Phenosafranin (CAS 81-93-6), a cationic dye with the formula C18H15ClN4 and a molecular weight of 322.79 g/mol, is a vital laboratory reagent. It functions effectively as a redox indicator and adsorption indicator in various analytical procedures. Its distinct colour properties also lend it to applications in biological staining, particularly in hematology and histology, making it a versatile tool for scientific research and diagnostic applications.
- IUPAC
- 3,7-Diamino-5-phenylphenazinium chloride
- Synonyms
- 3,7-Diamino-5-phenylphenazinium chloride
Redox Indicator
Phenosafranin serves as a sensitive redox indicator in titrations. Its distinct colour change allows for accurate determination of endpoint in redox reactions, aiding in quantitative analysis.
Adsorption Indicator
In analytical chemistry, Phenosafranin can be employed as an adsorption indicator. It facilitates the detection of endpoint in precipitative titrations by adsorbing onto the precipitate surface, causing a visible colour change.
Biological Staining
This compound is utilised as a stain in cell biology, hematology, and histology. It aids in visualising cellular structures and tissues under microscopic examination, supporting research and diagnostic activities.
Analytical Reagent
Phenosafranin is a general analytical reagent used in various laboratory settings. Its properties make it suitable for a range of qualitative and quantitative analytical methods.
| Molecular weight | 322.79 |
|---|---|
| Empirical formula | C18H15ClN4 |
| Composition | Dye content, 80% |
| 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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 50200 |
|---|---|
| Absorption | λmax 519 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 Phenosafranin used for?
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Phenosafranin (CAS 81-93-6) is primarily used as a redox indicator and an adsorption indicator in analytical chemistry. It also finds application as a stain in cell biology, hematology, and histology.
What are the CAS number and formula for Phenosafranin?
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The CAS number for Phenosafranin is 81-93-6, and its chemical formula is C18H15ClN4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenosafranin with a dye content of 80%. We do not represent this product as USP, BP, or EP grade; it is suitable for research and technical applications.
How should Phenosafranin be handled safely?
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Handle Phenosafranin with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is classified as an irritant (H315, H319, H335) and requires careful handling to avoid skin, eye, and respiratory irritation.
How is Phenosafranin packed, shipped, and exported?
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Phenosafranin is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions, a trusted supplier since 1998.
How can I request a sample or quote for Phenosafranin?
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To request a sample or a quote for Phenosafranin, please contact the Tech Serve Solutions sales team through our website or by phone.
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