Appearance: salmon pink powder Water soluble test: qualified Bromine sensitivity test: qualified Water: 7.0%max

CAS NO:518-47-8

EC NO:208-253-0

Molecular Formula:C₂₀H₁₂Na₂O₅

Molecular Weight:378.2847

Synonyms:;C.I. 45350;C.I. Acid Yellow 73;JAN];Acid Yellow 73~C.I. 45350;Fluorescein Sodium Salt;Uranine;Fluorescein disodium salt;Acid Yellow 73 (C.I.);disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate;Acid Yellow 73;Uranin;11824 yellow;12417 yellow;ful-glo;funduscein;furanium;hidacid uranine;Soap yellow;C.I. 45350 sodium salt;sodium fluoresceinate;fluorescein sodium b.p;sodium salt of hydroxy-o-carboxy-phenyl-fluorone;resorcinol phthalein sodium;Fluorescein, sodium derivative, sodium salt;Soluble fluorescein;Uranine A Extra;Uranine K;Uranine O;Uranine SS;Uranine USP XII;Uranine WSS;Uranine Yellow;Yellow no. 8;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;3,6-Dihydroxyxanthene-9-spiro-1'-3'H-isobenzofuran-3'-one disodium salt;9-(o-Carboxyphenyl)-3,6-dihydroxyxanthylium dipotassium salt;9-(o-Carboxyphenyl)-3,6-dihydroxyxanthylium disodium salt;9-o-carboxyphenyl-6-hydroxy-3-isoxanthone, disodium salt;aizen uranine;Dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one disodium salt;disodium 6-hydroxy-3-oxo-9-xanthene-o-benzoate;calcocid uranine b4315;certiqual fluoresceine;C.I. 45350 disodium salt;C.I. 766;d&c yellow no. 8;fluorescein, disodium salt;fluor-i-strip a.t.;Fluorone;disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate;disodium 3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate;spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-, sodium salt (1:1);spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-, sodium salt (1:2);Fluoresdein disocium salt;

Molecular Structure: