Fluorescein NEW
| Price | $50 | $1 |
| Package | 1KG | 1000KG |
| Min. Order: | 1KG |
| Supply Ability: | g-kg-tons, free sample is available |
| Update Time: | 2023-12-23 |
Product Details
| Product Name: Fluorescein | CAS No.: 2321-07-5 |
| Min. Order: 1KG | Purity: 99% |
| Supply Ability: g-kg-tons, free sample is available | Release date: 2023/12/23 |
| Origin: Manufacturer | Delivery: By sea, by air, by express |
| Packaging: bottle/drum/bucket/IBC, as request. | Lead time: In stock |
1. Product information
| Product Name: | Fluorescein |
| Synonyms: | FLUORESCEIN, FREE ACIDFLUORESCEIN, FREE ACIDFLUORESCEIN, FREE ACID;Diresorcinolphthalein;Tetraoxyphthalophenone anhydride;SOLVENT YELLOW 94;S NO 880;RESORCINOL PHTHALEIN;FLUORESCEIN, ALCOHOL SOLUBLE;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 |
 | |
| Fluorescein Chemical Properties |
| 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, chloroform; soluble in ethanol, methanol, acetone, Iethyl acetate, N,N-dimethylformamide |
| pka | 2.2, 4.4, 6.7(at 25℃) |
| 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 |
| Biological Applications | Detecting chromosomal aberration; diagnosing corneal diseases; marking/detecting insects; as antitumor agent; as antihistaminic agent; use in agriculture and plant cultivation; use in cosmetics; use in ophthalmology; as a substrate for measuring α-amylases activity, elastases activity, esterases activity, β-glucuronidases activity, horseradish peroxidases activity, kinases activity, monoamine oxidases (MAOs) activity, phosphatases activity, phospholipases activity, proteases/proteinases activity, telomerases activity activity |
2. Packaging
For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.
For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product.
Or smaller package 1kg/bottle, 10kgs/bottle as request.
3. Shipping
4. Contact information
For more details, pls contact us freely.
Email address : elin@fdachem.com
Mob: 86 13613820652
WhatsApp/Skype/Wechat/LINE: 86 13613820652
Company Profile Introduction
Henan Fengda Chemical Co., Ltd. is located in the High-tech Development Zone of Henan Province. Specializing in the production and sales of various fine chemical products required for industrial production, including chemical raw materials, organic raw materials, petrochemicals, chemical reagents, solvents, catalysts, and additives, etc.
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- Since: 2023-02-10
- Address: Room 01, 2288 E05, Building 14, East Henan University, Science and Technology Park, 279 Xisanhuan Ro
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