| Customization: | Available |
|---|---|
| CAS No.: | 2321-07-5 |
| Formula: | C20h12o5 |
|
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Suppliers with verified business licenses
Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
A: We can have a discussion.
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
1. 90days quality guarantee for exchange.
2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.
3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.
| Product Name: | Fluorescein |
| CAS: | 2321-07-5 |
| MF: | C20H12O5 |
| MW: | 332.31 |
| EINECS: | 219-031-8 |
| Product Categories: | Fluorescent;Xanthene;Aromatics;Fluorescent Labels & Indicators;Heterocycles;FUNDUSCEIN;E-FFluorescent Probes, Labels, Particles and Stains;Fluorescein and Derivatives;Fluorescent Labels;Stains and Dyes;Stains&Dyes, A to;Intermediates & Fine Chemicals;Pharmaceuticals |
| Mol File: | 2321-07-5.mol |
| Melting point | 320 °C(lit.) |
| Boiling point | 429.44°C (rough estimate) |
| density | 1.2739 (rough estimate) |
| refractive index | 1.5000 (estimate) |
| storage temp. | room temp |
| solubility | Solubility Insoluble in water, ether, benzene |
| pka | 2.2, 4.4, 6.7(at 25ºC) |
| Colour Index | 45350 |
| form | Powder |
| color | Red to orange |
| PH Range | Pink uorescence (4.0) to green uorescence (6.0) |
| Water Solubility | insoluble |
| λmax | 493.5nm, 496nm, 460nm, 515nm |
| Merck | 14,4159 |
| BRN | 94324 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Major Application | Organic light-emitting diode, nanoparticles, liquid crystal display, oil products, lip make-up, nucleic acid synthesis, amplification, sequencing and cloning, diagnosis of diabetic retinopathy, detecting yeast, multidrug resistance, proteins, antiHCV antibodies, target genes, enzymatic activity, nerve agent, nucleic acid sequences, imaging lung cancer, prostate cancer |
| LogP | 2.980 (est) |
| CAS DataBase Reference | 2321-07-5(CAS DataBase Reference) |
| EPA Substance Registry System | Fluorescein (2321-07-5) |
| Hazard Codes | Xi |
| Risk Statements | 43-36-36/37/38 |
| Safety Statements | 22-24/25-37/39-26-36/37/39-27 |
| WGK Germany | 3 |
| RTECS | LM5075000 |
| F | 10-21 |
| TSCA | Yes |
| HS Code | 32042000 |
| Hazardous Substances Data | 2321-07-5(Hazardous Substances Data) |
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