Eosin
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Eosin
structure -
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CAS No:
17372-87-1
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Formula:
C20H8Br4O5.2Na
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Chemical Name:
Eosin
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Synonyms:
Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one,2′,4′,5′,7′-tetrabromo-3′,6′-dihydroxy-,sodium salt (1:2);Fluorescein,2′,4′,5′,7′-tetrabromo-,disodium salt;Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one,2′,4′,5′,7′-tetrabromo-3′,6′-dihydroxy-,disodium salt;Eosin Yellowish;Eosin;Eosine A;Eosine G;Eosine Yellowish;Eosine YS;11731 Red;Bromo X 100;Bromo 4D;Bromo 4DC;Bromo 4DL;Eosin Y;Eosine J;Eosine w/s;Eosine Y;Eosine 3G;Eosine 3Y;Eosine K Salt Free;Tetrabromofluorescein S;D and C Red No. 22;Eosine;Eosine sodium salt;C.I. Acid Red 87;Tetrabromofluorescein;11445 Red;C.I. 45380;Aizen Eosine GH;Bromo B;Bromoeosine;Bromo FL;Bromofluoresceic acid;Bromofluorescein;Bromo JPS;Bromo TS;Bromo XX;Bronze Bromo;Certiqual Eosine;Eosine BPC;Eosine BS;Eosine BS-SF;Eosine DA;Eosine DWC 73;Eosine Extra Conc. A. Export;Eosine FA;Eosine GF;Eosine Lake Red Y;Eosine OJ;Eosine Salt Free;Eosine YB;Eosin YS;Fenazo Eosine XG;Hidacid Boiling Bromo;Hidacid Bromo acid regular;Hidacid Dibromo Fluorescein;Hidacid Eosine Soda Salt;Hidacid White Bromo;Irgalite Bronze Red CL;Phloxine Red 20-7600;Phloxine Toner B;Phlox Red Toner X 1354;Pure Eosine YY;Symuler Eosin Toner;Tetrabromofluorescein D;Tetrabromofluorescein soluble;Toyo Eosine G;1903 Yellow Pink;Sodium eosine;Eosine S 13;Eosin yellow;Sodium eosinate;Bromo acid;Disodium eosin;Eosine sodium;Eosine S;Acid Red 87;Eosine water-soluble;Sodium eosin;95917-83-2;122199-14-8;1340-15-4;12777-83-2;37361-24-3;84932-33-2;658700-91-5;198831-98-0;56588-87-5;528838-89-3
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CAS No:
Characteristics
81.65000
7.59220
Reddish Solid
1.02 g/mL at 20 °C
295.5 °C
682.3ºC at 760mmHg
11 °C
H2O: freely soluble
Store at RT.
Peritoneal-rat LDL0: 500 mg/kg; oral-mouse LD50: 2344 mg/kg
Thermal decomposition to emit toxic sodium oxide and bromide fumes
Safety Information
UN 1230 3/PG 2
1
11-23/24/25-39/23/24/25-52/53-41-22-36-10
7-16-36/37-45-24/25-61-39-26
LM5850000
F,T,Xn,Xi
Warehouse ventilated, low temperature and dry
Stable. Incompatible with strong oxidizing agents.
P305 + P351 + P338
H319
Drug Function and Efficacy
Synthetic colorant used to impart red color in drugs and cosmetics; has no therapeutic effect.
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