4-Acridinol
4-Acridinol (CAS 18123-20-1), with the molecular formula C13H9NO and a molecular weight of 195.22 g/mol, is a chemical compound. It is recognised for its utility in spectroscopic applications, particularly as a fluorescent indicator and probe. Its properties make it suitable for various research and analytical purposes within biochemical and chelator studies.
- IUPAC
- 4-Hydroxyacridine,Neooxine
- Synonyms
- 4-HydroxyacridineNeooxine

Fluorescent Indicator
4-Acridinol serves as a fluorescent indicator, useful in various analytical techniques. It can be employed in studies requiring the detection or quantification of specific ions or molecules through fluorescence measurements.
Chelator and Ion Probe
As a chelator and ion probe, this compound is valuable in spectroscopy. It can interact with metal ions, enabling their detection or characterisation via spectroscopic methods.
Biochemical Research
Its application extends to biochemical research, where it may be used as a reagent in studies of biological processes. It is particularly relevant in fields investigating fluorescence-based assays.
| Molecular weight | 195.22 |
|---|---|
| Empirical formula | C13H9NO |

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.
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 4-Acridinol used for?
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4-Acridinol is used as a fluorescent indicator, a chelator and ion probe for spectroscopy, and in biochemical research.
What is the CAS number and formula for 4-Acridinol?
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The CAS number for 4-Acridinol is 18123-20-1, and its molecular formula is C13H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Acridinol, typically for research and laboratory use. Specific grades and purities are available upon request; please consult our sales team for detailed specifications. We do not represent this product as USP, BP, EP, or pharmacopoeia grade unless explicitly stated.
What are the safety considerations for handling 4-Acridinol?
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4-Acridinol is classified with GHS07 symbol 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 (US), eyeshields, and gloves, should be used. Ensure good ventilation. Follow precautionary statements P261, P305, P351, and P338.
How is 4-Acridinol packed, shipped, and exported?
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4-Acridinol is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions. Packaging details depend on quantity and destination requirements.
How can I request a sample or quote for 4-Acridinol?
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To request a sample or obtain a quotation for 4-Acridinol, please contact our sales department via the website or direct email, providing your specific requirements and shipping details.
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