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CAS No 4680-78-8 , Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, sodium salt (1:1) Search by region : Germany

  • Name: Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, sodium salt (1:1)
  • Synonyms: Merantine Green G; Naphthalene Lake Green G; Triacid Green G; Acilan Green B;Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,hydroxide, inner salt, sodium salt; C.I. Acid Green 3 (6CI,7CI); Kiton Green F; Acid green 3; Japan Green No. 1; Acid Leather Green 3G; NSC 8684; Acid Green; Pontacyl Green BL; AcidLeather Green F;Vondacid Green L;Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, sodium salt (1:1); Acid Green B; NSC 5016; Guinea Green BA; Guinea Green B; Acid Green S; Acid Green 2G; BrilliantGreen 3EMBL; C.I. Acid Green 3,sodium salt (8CI); Hispacid Green GB; Pontacyl Green B; C.I. Food Green 1; Acidal Green G; FD and C Green No. 1; Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, sodium salt (9CI); Naphthalene Leather Green G; Hidacid Emerald Green; CalcocidGreen G; Naphthalene GreenG; Leather Green B; Acid Green G (Polish);4-[4-(N-Ethyl-p-sulfobenzylamino)diphenylmethylene]-[1-(N-ethyl-N-p-sulfoniumbenzyl)-D2,5-cyclohexadienimine]monosodium salt; Japan Green No. 402; A.F. Green No. 1; Sulpho Green 2B; Kiton GreenFC; Bucacid Guinea Green BA; Neran Brilliant GreenG; Fenazo Green L; JapanGreen 402;Guinea green; Japan Green 1;Acid Green G; Amacid Green B; C.I. 42085;
  • CAS Registry Number:
  • Melting Point: 255 °C (dec.)(lit.)
  • Safety Statements: Questionable carcinogen with experimental tumorigenic data. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits very toxic fumes of SOx, Na2O, and NOx.
  • EINECS: 225-132-8
  • Molecular Weight: 691.86
  • InChI: InChI=1/C37H36N2O6S2/c1-3-38(26-28-10-8-14-35(24-28)46(40,41)42)33-20-16-31(17-21-33)37(30-12-6-5-7-13-30)32-18-22-34(23-19-32)39(4-2)27-29-11-9-15-36(25-29)47(43,44)45/h5-25H,3-4,26-27H2,1-2H3,(H-,40,41,42,43,44,45)/p-1
  • Molecular Formula: C37H36 N2 O6 S2 . Na
  • Molecular Structure:CAS No:4680-78-8 Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, sodium salt (1:1)

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4680-78-8 Guinea green B

  • Guinea green B
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References of Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, sodium salt (1:1)
Title: Guinea Green B
CAS Registry Number: 4680-78-8
CAS Name: N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium inner salt, sodium salt
Synonyms: C.I. Acid Green 3; C.I. Food Green 1; FD & C Green 1; C.I. 42085
Molecular Formula: C37H35N2NaO6S2
Molecular Weight: 690.80
Percent Composition: C 64.33%, H 5.11%, N 4.06%, Na 3.33%, O 13.90%, S 9.28%
Literature References: Prepn: Jones et al., J. Assoc. Off. Agric. Chem. 38, 977 (1955). Toxicity studies: F. C. Lu, A. Lavalle, Can. Pharm. J. 97, 30 (1964); W. H. Hansen et al., Food Cosmet. Toxicol. 4, 389 (1966). See also: Colour Index vol. 4 (3rd ed., 1971) p 4385.
Properties: A dull, dark green powder, or a bright, crystalline solid. Sol in water to a green soln which becomes brownish-yellow on addn of HCl and blackish-green with NaOH. An excess of NaOH decolorizes the soln. Sparingly sol in alcohol; it dissolves in concd H2SO4 to a yellow soln which, when diluted with water, turns first yellowish-red, then green. LD50 orally in rats: >2 g/kg (Lu, Lavalle).
Toxicity data: LD50 orally in rats: >2 g/kg (Lu, Lavalle)
Use: Limited use as a dye for silk and wool fabrics; as biological stain.