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Uranine

Iranpour

URANINE:

uranine.gif

Synonyms:

Fluorescein sodium derivative ,sodium salt [518-47-8] 

 11824 yellow; 12417 yellow; ful-glo; funduscein; furanium; hidacid uranine;

Soap yellow; C.I. 45350 sodium salt; Fluorescein Sodium; 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; 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; Acid Yellow 73; 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; C.I. 45350 disodium salt; C.I. 766; C.I. acid yellow 73; d&c yellow no. 8; fluorescein, disodium salt; fluorescein, water soluble; Fluorescein W/S; fluor-i-strip a.t.; Fluorone;

Formula:  C20H10Na2O5
 
CAS No:  518-47-8
 
MW:  376.27554
 
m.p( c):  315 - 395
 
Solubility:    >=10 g/100 mL at 20
 
Comment: Orange-red powder. HYGROSCOPIC. Water flow patterns