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CAS No 458-37-7 , (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione

  • Name: (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione
  • Synonyms: Curcuma;(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione; Gelbwurz; Turmeric; Turmeric yellow; Kacha haldi; Haldar; Souchet; Natural yellow 3;Diferuloylmethane;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 183 ºC
  • Density: 0.93
  • Refractive index: 1.4155-1.4175
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29145000
  • EINECS: 207-280-5
  • Molecular Weight: 368.3799
  • InchiKey: VFLDPWHFBUODDF-FCXRPNKRSA-N
  • InChI: InChI=1S/C21H20O6/c1-26-20-11-14(5-9-18(20)24)3-7-16(22)13-17(23)8-4-15-
    6-10-19(25)21(12-15)27-2/h3-12,24-25H,13H2,1-2H3/b7-3+,8-4+
  • Risk Statements: S26;S36
  • Molecular Formula: C21H20O6
  • Molecular Structure:CAS No:458-37-7 (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione
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458-37-7 Tumeric Yellow

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458-37-7 Curcumin

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458-37-7 NATURAL YELLOW 3

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458-37-7 Curcumin

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458-37-7 Turmeric Yellow

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References of (1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione
Title: Curcumin
CAS Registry Number: 458-37-7
CAS Name: (1E,6E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione
Synonyms: turmeric yellow; diferuloylmethane; C.I. 75300; C.I. Natural Yellow 3
Molecular Formula: C21H20O6
Molecular Weight: 368.38
Percent Composition: C 68.47%, H 5.47%, O 26.06%
Literature References: Natural dyestuff from root of Curcuma longa L., Zingiberaceae. Isoln: Vogel, Ann. 44, 297 (1842); Perkin, Phipps, J. Chem. Soc. (Trans.) 85, I, 64 (1904); Rao, Shintre, J. Soc. Chem. Ind. 47, 54T (1928). Synthesis: Lampe, Ber. 51, 1347 (1918). Production: Stieglitz, Horn, DE 859145 (1952 to Hoechst). Biosynthesis studies: Roughley, Whiting, Tetrahedron Lett. 1971, 3741. Chromatography: Srinivasan, J. Pharm. Pharmacol. 5, 448 (1953). See also: H. J. Conn's Biological Stains, R. D. Lillie, Ed. (Williams & Wilkins, Baltimore, 9th ed., 1977) pp 474-476. Pharmacology and anti-inflammatory activity: Srimal, Dhawan, ibid. 25, 447 (1973).
Properties: Orange-yellow, cryst powder, mp 183°. Insol in water, ether. Sol in alcohol, glacial acetic acid. Gives a brownish-red color with alkali; a light-yellow color with acids.
Melting point: mp 183°
Use: For preparing curcuma paper, pH range 8-9. In the detection of boron.