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CAS No 2353-45-9 , disodium

  • Name: disodium
  • Synonyms: 2353-45-9; C.I. 42053;Food green 3;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-
    [ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,
    5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate; Food Green No. 3; C.I. Food Green 3; FD&C Green No. 3; FD & C Green no. 3; Solid Green FCF;disodium;
  • CAS Registry Number:
  • Melting Point: 290 ºC
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: g/cm3
  • Safety Statements: R20/21/22;R40
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 32041900
  • Flash Point: °C
  • EINECS: 219-091-5
  • Molecular Weight: 808.847799
  • InchiKey: RZSYLLSAWYUBPE-UHFFFAOYSA-L
  • InChI: InChI=1S/C37H36N2O10S3.2Na/c1-3-38(24-26-7-5-9-33(21-26)50(41,
    42)43)30-15-11-28(12-16-30)37(35-20-19-32(40)23-36(35)52(47,
    48)49)29-13-17-31(18-14-29)39(4-2)25-27-8-6-10-34(22-27)51(44,
    45)46;;/h5-23H,3-4,24-25H2,1-2H3,(H3,41,42,43,44,45,46,47,48,
    49);;/q;2*+1/p-2
  • Risk Statements: S25;S37/39
  • Molecular Formula: C37H34N2Na2O10S3
  • Molecular Structure:CAS No:2353-45-9 disodium

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References of disodium
Title: Fast Green FCF
CAS Registry Number: 2353-45-9
CAS Name: N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium inner salt disodium salt
Synonyms: FD & C Green No. 3; C.I. Food Green 3; C.I. 42053
Molecular Formula: C37H34N2Na2O10S3
Molecular Weight: 808.85
Percent Composition: C 54.94%, H 4.24%, N 3.46%, Na 5.68%, O 19.78%, S 11.89%
Literature References: Prepn: H. Johnson, P. Staub, Ind. Eng. Chem. 19, 497 (1927). Toxicity studies: F. C. Lu, A. Lavalle, Can. Pharm. J. 97, 30 (1964); W. H. Hansen et al., Food Cosmet. Toxicol. 4, 389 (1966). Review of carcinogenicity studies: IARC Monographs 16, 187-197 (1978). See also: Colour Index vol. 4 (3rd ed., 1971) p 4383.
Properties: Dark green powder or granules with a metallic lustre. Absorption max: 628 nm. Very sol in water; sol in ethanol. Dull orange soln in conc H2SO4, changing to dull green on dilution. Orange soln in conc HCl or conc HNO3. Bright blue soln in 10% aq NaOH. LD50 orally in rats: >2 g/kg (Lu, Lavalle).
Absorption maximum: Absorption max: 628 nm
Toxicity data: LD50 orally in rats: >2 g/kg (Lu, Lavalle)
Use: Biological stain. Color additive in food, drugs and cosmetics.