CAS NO:548-26-5;17372-87-1

EC NO:241-409-6

Molecular Formula:C₂₀H₆Br₄Na₃O₅

Molecular Weight:714.8434

Synonyms:;C.I. 45380;C.I. Acid Red 87;Acid red 87;11445 red;11731 red;2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthene-9-yl)benzoic acid, disodium salt;2',4',5',7'-Tetrabromo-3',6'-dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one dipotassium salt;2',4',5',7'-Tetrabromo-3',6'-dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one disodium salt;2,4,5,7-Tetrabromo-3,6-dihydroxyxanthene-9-spiro-1'-3H-isobenzofuran-3'-one dipotassium salt;2,4,5,7-Tetrabromo-3,6-dihydroxyxanthene-9-spiro-1'-3H-isobenzofuran-3'-one disodium salt;2,4,5,7-tetrabromo-3,6-fluorandiol;2,4,5,7-tetrabromo-9-o-carboxyphenyl-6-hydroxy-3-isoxanthone, disodium salt;2,4,5,7-Tetrabromofluorescein;2',4',5',7'-tetrabromofluorescein disodium salt;2,4,5,7-Tetrabromofluorescein (Sodium salt);aizen eoxine gh;Disodium eosin;bromo 4dc;bromo acid;Bromo B;Bromoeosine;bromo fl;Bromofluoresceic acid;Bromo fluorescein;bromo jps;bromo ts;bromo x-100;bromo xx;bronze bromo;certiqual eosine;D&C 22;D & C Red No. 22;Eosine;eosine bpc;eosine g;Eosin Y;Eosine yellowish-(YS);Eosin Y, high purity biological stain;Eosine YS;Eosine YSK;eosine yy;fenazo eosine xg;hidacid boiling bromo;hidacid eosine soda salt;hidacid white bromo;irgalite bronze red cl;phloxine red 20-7600;9-(o-Carboxyphenyl)-2,4,5,7-tetrabromo-3,6-dihydroxyxanthene, sodium salt;Sodium eosine;sodium eosinate;Eosin Y Sodium Salt;Tetrabromofluorescein Sodium Salt;Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2',4',5',7'-tetrabromo-3',6'-dihydroxy-,disodium salt(?);symuler eosin toner;eosin disodium;Eosin ys;benzoate, 2-(2,4,5,7-tetrabromo-6-olato-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:3);Acid Red 87 (C.I.);Acid Red 87~C.I. 45380;disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate;Certistain;

Molecular Structure:

CAS NO:2243-76-7;66676-71-9

EC NO:218-818-3

Molecular Formula:C₁₃H₉N₃O₅

Molecular Weight:287.2277

Synonyms:;C.I. 14030;Alizarine Yellow R;5-(4-Nitrophenylazo)salicylic acid;Alizarin Yellow R;Alizarin yellow R (0.1% in Water) [for PH Determination];Acid Mordant Orange R;3-[(4-nitrophenyl)hydrazono]-6-oxocyclohexa-1,4-diene-1-carboxylate;2-hydroxy-5-[(E)-(4-nitrophenyl)diazenyl]benzoic acid;2-hydroxy-5-(4-nitrophenyl)azo-benzoic acid;

Molecular Structure: