1-[[3-Ethyl-2(3H)-benzothiazolylidene]ethylidene]-2(1H)-naphthalenone
1-[[3-Ethyl-2(3H)-benzothiazolylidene]ethylidene]-2(1H)-naphthalenone (CAS: 95697-53-3; C21H17NOS) is a benzothiazole derivative with a molecular weight of 331.43 g/mol. This compound exhibits an absorption maximum at 574 nm. It is primarily utilised as a stain and dye in various biological and histological applications, contributing to cell visualisation and analysis within research and diagnostic settings.
![1-[[3-Ethyl-2(3H)-benzothiazolylidene]ethylidene]-2(1H)-naphthalenone (C21H17NOS) — chemical structure, CAS 95697-53-3; Life Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F95697-53-3.png&w=3840&q=75)
Biological Staining
This compound serves as a specialised stain in cell biology, aiding in the visualisation and differentiation of cellular structures. Its spectral properties, with a λmax of 574 nm, make it suitable for specific staining protocols.
Histological Analysis
Utilised within hematology and histology, this naphthalenone derivative can be employed for staining tissue samples. This assists researchers and technicians in examining cellular morphology and tissue architecture.
Dye Applications
As a functional dye, it finds application in various scientific research areas requiring chromophoric compounds. Its specific chemical structure dictates its suitability for particular dye-based experiments.
| Molecular weight | 331.43 |
|---|---|
| Empirical formula | C21H17NOS |
| Melting point | 181-186 °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.
| Absorption | λmax 574 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 1-[[3-Ethyl-2(3H)-benzothiazolylidene]ethylidene]-2(1H)-naphthalenone used for?
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This compound is primarily used as a stain and dye in cell biology, hematology, and histology for visualisation and analysis of cellular and tissue structures.
What are the CAS number and molecular formula?
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The CAS number is 95697-53-3, and the molecular formula is C21H17NOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay and purity are detailed in the product specifications. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
What are the safety considerations for handling this chemical?
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This compound is a Warning substance (GHS07) and is associated with 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 (e.g., N95), eyeshields, and gloves, should be used. Ensure good ventilation.
How is this chemical packed and shipped?
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Tech Serve Solutions packs and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents in compliance with international shipping regulations. Specific packaging details depend on quantity and destination.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales department via the website or provided contact details, specifying the product name and CAS number.
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