Fluorescein Sodium
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- $6 - $2295
- Product name: Fluorescein Sodium
- CAS: 518-47-8
- MF: C20H13NaO5
- MW: 356.31
- EINECS:208-253-0
- MDL Number:MFCD00167039
- Synonyms:9-(o-carboxyphenyl)-6-hydroxy-3h-xanthen-3-one,disodiumsalt ;9’-(9h)xanthen)-3-one,3’,6’-dihydroxy-spiro(isobenzofuran-1(3hdisodiums ;9’-[9h]xanthen]-3-one,3’,6’-dihydroxy-spiro[isobenzofuran-1(3hdisodiumsal ;9-o-carboxyphenyl-6-hydroxy-3-isoxanthone,disodiumsalt ;abcoluraninepowders&liquids ;c.i.45350disodiumsalt ;c.i.45350sodiumsalt ;c.i.766
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- 2mg
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- 2.5 kg
- 4x1kg|GlassBottle
- 100 g
- 100g|GlassBottle
- 500 g
- ManufacturerA2B
- Product numberAI51607
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70%
- Packaging5g
- Price$8
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI51607
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70%
- Packaging25g
- Price$10
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI51607
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70%
- Packaging100g
- Price$21
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI51607
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70%
- Packaging500g
- Price$63
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI51607
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70%
- Packaging5kg
- Price$568
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI51607
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70%
- Packaging10kg
- Price$948
- Updated2026-05-25
- Buy
- Manufactureraablocks
- Product numberAA00I96J
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥95%(Dyecontent)
- Packaging10kg
- Price$950
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I96J
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥95%(Dyecontent)
- Packaging5kg
- Price$570
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I96J
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥70%
- Packaging500g
- Price$80
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I96J
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥95%(Dyecontent)
- Packaging1kg
- Price$150
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I96J
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥70%
- Packaging100g
- Price$24
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I96J
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
- Packaging25g
- Price$10
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I96J
- Product descriptionSodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 98%
- Packaging5g
- Price$8
- Updated2026-05-29
- Buy
- ManufacturerAdipogen Life Sciences
- Product numberCDX-F0363-G250
- Product descriptionFluorescein disodium salt ≥98%(HPLC)
- Packaging250g
- Price$165
- Updated2026-05-06
- Buy
- ManufacturerAK Scientific
- Product numberT217
- Product descriptionFluorescein sodium salt 98%(HPLC)
- Packaging500g
- Price$172
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product number6535AF
- Product descriptionFluoresceindisodiumsaltdihydrate
- Packaging500g
- Price$186
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| A2B | AI51607 | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70% | 5g | $8 | 2026-05-25 | Buy |
| A2B | AI51607 | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70% | 25g | $10 | 2026-05-25 | Buy |
| A2B | AI51607 | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70% | 100g | $21 | 2026-05-25 | Buy |
| A2B | AI51607 | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70% | 500g | $63 | 2026-05-25 | Buy |
| A2B | AI51607 | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70% | 5kg | $568 | 2026-05-25 | Buy |
| A2B | AI51607 | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 70% | 10kg | $948 | 2026-05-25 | Buy |
| aablocks | AA00I96J | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥95%(Dyecontent) | 10kg | $950 | 2026-05-29 | Buy |
| aablocks | AA00I96J | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥95%(Dyecontent) | 5kg | $570 | 2026-05-29 | Buy |
| aablocks | AA00I96J | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥70% | 500g | $80 | 2026-05-29 | Buy |
| aablocks | AA00I96J | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥95%(Dyecontent) | 1kg | $150 | 2026-05-29 | Buy |
| aablocks | AA00I96J | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) ≥70% | 100g | $24 | 2026-05-29 | Buy |
| aablocks | AA00I96J | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) | 25g | $10 | 2026-05-29 | Buy |
| aablocks | AA00I96J | Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) 98% | 5g | $8 | 2026-05-29 | Buy |
| Adipogen Life Sciences | CDX-F0363-G250 | Fluorescein disodium salt ≥98%(HPLC) | 250g | $165 | 2026-05-06 | Buy |
| AK Scientific | T217 | Fluorescein sodium salt 98%(HPLC) | 500g | $172 | 2026-06-04 | Buy |
| AK Scientific | 6535AF | Fluoresceindisodiumsaltdihydrate | 500g | $186 | 2021-12-16 | Buy |
Properties
Melting point :320 °C
Density :0.579[at 20℃]
bulk density :600kg/m3
vapor pressure :2.133hPa
storage temp. :Store at +5°C to +30°C.
solubility :H2O: soluble1mg/mL
Colour Index :45350
form :Powder
pka :2.2, 4.4, 6.7(at 25℃)
color :Rust-orange
PH :8.3 (10g/l, H2O, 20℃)
PH Range :Pink uorescence (4.0) to green uorescence (6.0)
Odor :Odorless
Water Solubility :500 g/L (20 ºC)
λmax :491nm, 493.5nm, 490nm
Merck :14,4159
BRN :3833041
Henry's Law Constant :3.5×1010 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable.
Major Application :Nanolithography, nanoparticles, thin films, fuel cells, inks, laser, colored bubbles, cleansing products, identifying leaks in coolant, suntanning agent, hair dyes, cosmetics, dermatology, dental material, diagnosis of diabetic retinopathy, antitumor agent
Cosmetics Ingredients Functions :COLORANT
HAIR DYEING InChI :1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20;;/h1-10,21-22H;;/q;2*+1/p-2
InChIKey :NJDNXYGOVLYJHP-UHFFFAOYSA-L
SMILES :[Na+].[Na+].[O-]c1ccc2c(Oc3cc([O-])ccc3C24OC(=O)c5ccccc45)c1
LogP :0.34
CAS DataBase Reference :518-47-8(CAS DataBase Reference)
EPA Substance Registry System :Fluorescein, disodium salt (518-47-8)
Density :0.579[at 20℃]
bulk density :600kg/m3
vapor pressure :2.133hPa
storage temp. :Store at +5°C to +30°C.
solubility :H2O: soluble1mg/mL
Colour Index :45350
form :Powder
pka :2.2, 4.4, 6.7(at 25℃)
color :Rust-orange
PH :8.3 (10g/l, H2O, 20℃)
PH Range :Pink uorescence (4.0) to green uorescence (6.0)
Odor :Odorless
Water Solubility :500 g/L (20 ºC)
λmax :491nm, 493.5nm, 490nm
Merck :14,4159
BRN :3833041
Henry's Law Constant :3.5×1010 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable.
Major Application :Nanolithography, nanoparticles, thin films, fuel cells, inks, laser, colored bubbles, cleansing products, identifying leaks in coolant, suntanning agent, hair dyes, cosmetics, dermatology, dental material, diagnosis of diabetic retinopathy, antitumor agent
Cosmetics Ingredients Functions :COLORANT
HAIR DYEING InChI :1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20;;/h1-10,21-22H;;/q;2*+1/p-2
InChIKey :NJDNXYGOVLYJHP-UHFFFAOYSA-L
SMILES :[Na+].[Na+].[O-]c1ccc2c(Oc3cc([O-])ccc3C24OC(=O)c5ccccc45)c1
LogP :0.34
CAS DataBase Reference :518-47-8(CAS DataBase Reference)
EPA Substance Registry System :Fluorescein, disodium salt (518-47-8)
Safety Information
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Description
Fluorescein disodium salt is used as fluorescent tracer, has been utilized in studies as a drug model, as a penetrating dye . Water soluble fluorescent dye used in permeability and vascular perfusion studies due to its small molecular radius.1 Sodium fluorescein is used as a fluorescent tracer to study blood-brain barrier (BBB) and blood-spinal cord barrier (BSCB) permeability in rodent models. The dye was used as a probe substrate in the study of organic anion transporting polypeptide (OATP) mediated drug transport in hepatocytes.5 Sodium fluorescein was also used to monitor in situ solute transportation into bone through fluorescence recovery after photobleaching (FRAP). Additional reported uses include microscopy, as a gain medium in dye laser use and to detect latent blood stains in vitro. Common derivatives of Fluorescein include fluorescein isothiocyanate (FITC), eosin and Rose Bengal (sc-296278) and Rose Bengal sodium saltRelated product price
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Suppliers and manufacturers
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SHANDONG ZHI SHANG CHEMICAL CO.LTD
Fluorescein disodium
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