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CAS No 4403-90-1 , disodium Search by region : Japan

  • Name: disodium
  • Synonyms: Alizarine Green J; Erionyl Green GL; Aquamine Green GL; Solway Green G; Alizarine Green CE; D & C Green No. 5; Alizarine Green CG;Acid Green 25;5-methyl-2-[[4-(4-methyl-2-sulfonatoanilino)-9,
    10-dioxoanthracen-1-yl]amino]benzenesulfonate;disodium;
  • CAS Registry Number:
  • Safety Statements: S24/25
  • EINECS: 224-546-6
  • Molecular Weight: 622.576539
  • InchiKey: FPAYXBWMYIMERV-UHFFFAOYSA-L
  • InChI: InChI=1S/C28H22N2O8S2.2Na/c1-15-7-9-19(23(13-15)39(33,
    34)35)29-21-11-12-22(30-20-10-8-16(2)14-24(20)40(36,
    37)38)26-25(21)27(31)17-5-3-4-6-18(17)28(26)32;;/h3-14,29-30H,1-2H3,(H,
    33,34,35)(H,36,37,38);;/q;2*+1/p-2
  • Risk Statements: S24/25,
  • Molecular Formula: C28H20N2Na2O8S2
  • Molecular Structure:CAS No:4403-90-1 disodium

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4403-90-1 Acid Green 25

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References of disodium
Title: Alizarin Cyanine Green F
CAS Registry Number: 4403-90-1
CAS Name: 2,2-[(9,10-Dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis(5-methylbenzenesulfonic acid) disodium salt
Synonyms: 6,6￠-(1,4-anthraquinonylenediimino)di-m-toluenesulfonic acid disodium salt; D & C Green No. 5; C.I. Acid Green 25; C.I. 61570
Molecular Formula: C28H20N2Na2O8S2
Molecular Weight: 622.58
Percent Composition: C 54.02%, H 3.24%, N 4.50%, Na 7.39%, O 20.56%, S 10.30%
Literature References: Discovered by R. E. Schmidt in 1894: Colour Index vol. 4 (3rd ed., 1971) p 4541.
Properties: Green powder. Slightly sol in acetone, alc, pyridine. Insol in chloroform, toluene. Dull blue soln in conc H2SO4, turning turquoise on dilution. Absorption spectra: C. F. H. Allen et al., J. Org. Chem. 7, 63, 169 (1942).
Use: For nylon sutures: Fed. Regist. 42, 52395 (1977). Permitted for use in drugs and cosmetics, excluding use in eye area: ibid. 47, 49628 (1982).