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CAS No 17372-87-1 , disodium Search by region : Korea

  • Name: disodium
  • Synonyms: Bromofluorescein; Eosine;Acid red 87; Bronze Bromo ES; Eosine Yellowish; Eosine G; Eosin Y; Eosin yellowish;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate; Eosine Salt Free;disodium;
  • CAS Registry Number:
  • Transport: 25kgs
  • Boiling Point: 682.3°Cat760mmHg
  • Water Solubility: freely soluble
  • Safety Statements: 11-23/24/25-39/23/24/25-52/53-41-22-36-10,
  • Hazard Symbols: F,T,Xn,Xi:;
  • HS Code: 32041200
  • EINECS: 241-409-6
  • Molecular Weight: 691.854179
  • InchiKey: SEACYXSIPDVVMV-UHFFFAOYSA-L
  • InChI: InChI=1S/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)
    17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,
    28);;/q;2*+1/p-2
  • Risk Statements: S24/25,
  • Molecular Formula: C20H6Br4Na2O5
  • Molecular Structure:CAS No:17372-87-1 disodium

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17372-87-1 2,4,5-7-Tetrabromofluorescein disodium salt

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References of disodium
Title: Eosine Yellowish?(YS)
CAS Registry Number: 17372-87-1
CAS Name: 2￠,4￠,5￠,7￠-Tetrabromo-3￠,6￠-dihydroxyspiro[isobenzofuran-1(3H),9￠-[9H]xanthen]-3-one disodium salt
Synonyms: 2￠,4￠,5￠,7￠-tetrabromofluorescein; bromoeosine; tetrabromofluorescein sol; bromofluoresceic acid; eosin; eosine; eosin Y; D & C Red No. 22; C.I. Acid Red 87; C.I. 45380
Molecular Formula: C20H6Br4Na2O5
Molecular Weight: 691.85
Percent Composition: C 34.72%, H 0.87%, Br 46.20%, Na 6.65%, O 11.56%
Literature References: Xanthene dye capable of photodynamic generation of singlet oxygen. Prepd by bromination of fluorescein: Colour Index vol. 4 (3rd ed., 1971) p 4426. Photodynamic injury to leaf tissue and inhibition of photosynthesis: J. P. Knox, A. D. Dodge, Planta 164, 22; 30 (1985). Review: H. J. Conn's Biological Stains, R. D. Lillie, Ed. (Williams & Wilkins, Baltimore, 9th ed., 1977), pp 342-344.
Properties: Red crystals with bluish tinge, or brownish-red powder. Freely sol in water, less in alcohol. Insol in ether. The concd aq soln is deep brownish-red, the dilute (1:500) soln is yellowish-red with greenish fluorescence; the alcoholic soln exhibits a strong green fluorescence.
 
Derivative Type: Free acid
Synonyms: Eosine acid; D & C Red No. 21; C.I. Solvent Red 43; C.I. 45380:2
Molecular Formula: C20H8Br4O5
Molecular Weight: 647.89
Percent Composition: C 37.08%, H 1.24%, Br 49.33%, O 12.35%
Properties: Bright yellowish red. Sol in acetone, ethanol. Insol in mineral oil, toluene.
 
Use: In microbiological differential media. Colorant in drugs and cosmetics such as lipstick and nail-polish; dyeing wool, silk and paper; in red inks; as biological stain.