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Λεπτομέρειες:
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Όνομα προϊόντος: | Fluorescein νάτριο | Δούλος: | 518-47-8 |
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Eenecs: | 208-253-0 | Σημείο τήξης: | 320 °C |
Θερμοκρασία αποθήκευσης.: | Αποθηκεύστε στους +5 ° C έως +30 ° C. | Μορφή: | Σκόνη |
Χρώμα: | Ρουτσούχιο πορτοκαλί | ||
Επισημαίνω: | Fluorescein Sodium biological stain,CAS 518-47-8 Fluorescein Sodium,industrial chemical Fluorescein Sodium |
CAS 518-47-8 Fluorescein Sodium
Fluorescein Sodium Basic information |
Product Name: | Fluorescein Sodium |
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;aizenuranine;c.i.45350disodiumsalt;c.i.45350sodiumsalt |
CAS: | 518-47-8 |
MF: | C20H13NaO5 |
MW: | 356.31 |
EINECS: | 208-253-0 |
Product Categories: | Fluorescent;Xanthene;Intermediates of Dyes and Pigments;Dyes and Pigments;Pharmaceutical intermediates;518-47-8 |
Mol File: | 518-47-8.mol |
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Fluorescein Sodium Chemical 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 |
form | Powder |
pka | 2.2, 4.4, 6.7(at 25℃) |
Colour Index | 45350 |
color | Rust-orange |
PH Range | Pink uorescence (4.0) to green uorescence (6.0) |
PH | 8.3 (10g/l, H2O, 20℃) |
Odor | Odorless |
Water Solubility | 500 g/L (20 ºC) |
λmax | 491nm, 493.5nm, 490nm |
Υπεύθυνος Επικοινωνίας: Maggie Ma
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