Fluorescein(CAS 2321-07-5)
| Purity | Grade | Package | Stock | Price | Quantity |
| 95% | RG | 25G | In Stock | 4 USD
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| 95% | RG | 100G | In Stock | 10 USD
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| 95% | RG | 500G | In Stock | 40 USD
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| 95% | RG | 2.5KG | In Stock | 202 USD
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| 95% | RG | 25KG | In Stock | 2018 USD
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Your region is eligible for ordering. Available NMR Spectrum
Verified In Stock
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Applications of 2321-07-5
| Industry | Application | Process |
|---|---|---|
| Biomedical | Fluorescent labeling tracer | Covalently conjugated to antibodies, nucleic acids, or cell surface molecules for use in fluorescence microscopy, flow cytometry, and immunoassays |
| Pharmaceutical R&D | Tracer for pharmacokinetic studies | Administered intravenously and tracked in vivo via its fluorescence properties to monitor drug distribution and clearance |
| Environmental monitoring | Aqueous tracer | Injected in trace amounts into hydrological systems and monitored using fluorometers to map flow paths and quantify dispersion rates |
| Chemical analysis | Fluorescent probe | Used as a fluorescence-responsive moiety in pH sensing and metal ion detection, enabling quantitative analysis based on fluorescence intensity changes |
| Forensic science | Fingerprint developer | Reacts with amino acids in latent fingerprint residues to form fluorescent complexes, visualized under UV illumination |
| Education & research | Demonstration of fluorescence phenomena | Employed in optical experiments to illustrate fluorescence emission, Stokes shift, and quantum yield |
Physical and chemical properties of 2321-07-5
Acidity coefficient |
2.2, 4.4, 6.7(at 25℃) |
|---|---|
Boiling Point |
620.8±55.0 °C at 760 mmHg |
BRN |
94324 |
Color Index |
45350 |
Decomposition |
When heated to decomposition it emits acrid smoke and irritating fumes. |
Density |
1.6±0.1 g/cm3 |
Exact Mass |
332.068481 |
Flash Point |
232.6±25.0 °C |
Index of Refraction |
1.792 |
LogP |
3.4 |
Melting Point |
315 °C |
Merck |
14,4159 |
Molecular Formula |
C20H12O5 |
Molecular Weight |
332.306 |
pH Range |
Pink uorescence (4.0) to green uorescence (6.0) |
PSA |
87.74000 |
Solubility |
2.55e-02 g/L |
Stability |
Stable. Combustible. Incompatible with strong oxidizing agents. |
Storage condition |
−20°C |
Vapour Pressure |
4.1X10-14 mm Hg at 25 °C (est) |
Water Solubility |
insoluble |
λmax |
493.5nm, 496nm, 460nm, 515nm |
Spectrums of 2321-07-5
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 2321-07-5
Cas:3326-34-9
Cas:630-88-6
Cas:509-72-8
Cas:7664-93-9
Q&A for CAS 2321-07-5
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 2321-07-5
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H302 Harmful if swallowed H319 Causes serious eye irritation |
Safety Data Sheet |
Download COA of 2321-07-5
Operate under the ISO 9001 system
