Character: | White Powder |
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Package: | 1kg/Aluminum Foil Bag |
Test: | HPLC |
Name: | Fluorescein |
CAS: | 2321-07-5 |
Function: | Reagents |
Samples: |
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Customization: |
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Suppliers with verified business licenses
Factory Price Fluorescein with High Purity Enough Stock Powder Dye CAS 2321-07-5
Fluorescein Basic information | |
Product Name: | Fluorescein |
CAS: | 2321/7/5 |
MF: | C20H12O5 |
MW: | 332.31 |
EINECS: | 219-031-8 |
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. | −20°C |
Colour Index | 45350 |
form | Powder |
pka | 2.2, 4.4, 6.7(at 25ºC) |
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 | 144,159 |
BRN | 94324 |
Used as chemical indicator.
Package
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1kg/bag ,25kg/bag;25kg/drum; customize as customer's equirements.
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Transit
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Fedex, TNT,DHL,EMS,and so on.
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Shipping port
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Shanghai/Tianjin/Dalian/Beijing/Xi'an
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Lead Time
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1-2 working days upon received the payment
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For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea. |
Service:
1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & formulation development.
Advantages:
1. Faster delivery: Sample order in stock and 3-7 days for bulk production.
2. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.
3. After-Sale Service:
1)International Authorized Third-Party Test For The Products You Demand.
2)60 Days Warranty of quality of goods.
Hefei JOYE Import & Export CO.,LTD is a import and export trade company established in 2011.Approved by the Chinese government set up trade enterprises.The Customs Registration code of the company is 3401961603.
Suppliers with verified business licenses