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FLUORESCEIN SODIUM/SODIUM FLUORESCEIN

型号：20191011204741
询盘

FLUORESCEIN SODIUM CAS：518-47-8

Synonyms: FLUORESCEIN SOD DRV SOD SALT;uranineo;uranineuspxii;uranineyellow;3',6'-Dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one disodium salt;3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthene]-3-one, disodium salt;3,6-Dihydroxyxanthene-9-spiro-1'-3'H-isobenzofuran-3'-one;3,6-Dihydroxyxanthene-9-spiro-1'-3'H-isobenzofuran-3'-one dipotassium salt

MF: C20H10Na2O5

MW: 376.27

EINECS: 208-253-0

Melting point 320 °C

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℃)