Chlorophenol Red
Chlorophenol Red (CAS: 4430-20-0), with the molecular formula C19H12Cl2O5S and a molecular weight of 423.27, is a sulphonaphthalein indicator. It exhibits a distinct colour change across a specific pH range, making it a valuable tool in analytical chemistry. This compound is primarily utilised in cell biology and histology as a stain and dye, aiding in various laboratory investigations and diagnostic procedures.
- IUPAC
- 3′,3′-Dichlorophenolsulfonaphthalein
pH Indicator
Chlorophenol Red serves as a visual indicator for pH changes, transitioning from yellow to violet between pH 4.8 and 6.7. This property is critical for titrations and monitoring reaction conditions.
Cell Biology Staining
Utilised as a stain in cell biology, it aids in visualising cellular structures and processes. Its application in this field supports research and diagnostic applications.
Histology Applications
In histology, Chlorophenol Red functions as a dye to highlight specific tissues or cellular components. This assists in microscopic examination and pathological studies.
| Molecular weight | 423.27 |
|---|---|
| Empirical formula | C19H12Cl2O5S |
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 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 572 nm |
|---|---|
| Ph Range | 4.8 - 6.7, yellow to violet |
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 Chlorophenol Red used for?
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Chlorophenol Red is primarily used as a pH indicator and as a stain in cell biology and histology.
What is the CAS number and molecular formula for Chlorophenol Red?
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The CAS number for Chlorophenol Red is 4430-20-0, and its molecular formula is C19H12Cl2O5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chlorophenol Red typically as a reagent grade. The specific assay and purity are detailed on the product's Certificate of Analysis. TSS does not represent this product as USP, BP, or EP grade unless explicitly stated in the specifications.
How should Chlorophenol Red be handled safely?
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Handle Chlorophenol Red with appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves. Avoid inhalation of dust and contact with skin and eyes, as it can cause irritation. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is Chlorophenol Red a controlled substance?
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The provided data does not indicate that Chlorophenol Red is a controlled substance.
How can I request a quote or sample for Chlorophenol Red?
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To request a quote or a sample of Chlorophenol Red, please contact our sales team via the website or direct email, providing your specific requirements.
How is Chlorophenol Red packed and shipped?
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Chlorophenol Red is carefully packed to ensure stability during transit and is available for global export. Packaging details can be confirmed upon order inquiry.
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