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Product: |
Views:100Fluorescein |
Unit price: |
Negotiable |
MOQ: |
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Quantity: |
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Delivery date: |
Since the payment date Days delivery |
Valid until: |
Long-term effective |
Last updated: |
2017-09-04 18:36 |
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Product name: |
Fluorescein |
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CAS NO.: |
2321-7-5 |
Molecular formula: |
C20H12O5 |
Molecular Weight: |
332.31 |
Properties: |
Orange or red powder, solve in hot alcohol, acetic acid and lye, insolve in water. |
Specification (HG/T 3494-1999) |
Item Name: |
Ind Grade |
Maximal absorption wavelength λ(PH8.0),nm |
490-493 |
Quality absorption coefficient λ(PH8.0),L/(cm•g) |
≥200 |
Solubility in alcohol |
Passes test |
Sulfated ash,percent |
≤0.3 |
Loss on drying, percent |
≤5.0 |
Sensitivity test |
Passes test |
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