Biebrich scarlet

Biebrich scarlet (C.I. 26905) is a molecule used in Lillie's trichrome.[1]

Biebrich scarlet
Names
IUPAC name
2-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]-5-(4-sulfophenyl)diazenyl-benzenesulfonic acid
Other names
Croceine scarlet
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.021.895
EC Number
  • 224-084-5
MeSH Biebrich+scarlet
  • InChI=1S/C22H16N4O7S2/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30/h1-13,25H,(H,28,29,30)(H,31,32,33)/b24-23+,26-22- Y
    Key: VJULFVPZZZJPDJ-PUNVMFJJSA-N Y
  • InChI=1/C22H16N4O7S2.2Na/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30;;/h1-13,27H,(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2
    Key: VVAVKBBTPWYADW-NUQVWONBAJ
  • InChI=1/C22H16N4O7S2/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30/h1-13,25H,(H,28,29,30)(H,31,32,33)/b24-23+,26-22-
    Key: VJULFVPZZZJPDJ-PUNVMFJJBJ
  • [Na+].[Na+].[O-]S(=O)(=O)c1ccc(cc1)/N=N/c4ccc(/N=N/c2c3ccccc3ccc2O)c(c4)S([O-])(=O)=O
  • O=S(=O)(O)c4ccc(/N=N/c1ccc(c(c1)S(=O)(=O)O)N/N=C2/c3ccccc3\C=C/C2=O)cc4
Properties
C22H16N4O7S2
Molar mass 512.517
Hazards
GHS labelling:
Warning
H302, H312, H315, H319, H332, H335
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

The dye was created in 1878 by the German chemist Rudolf Nietzki.[2]

See also

References
  1. Lillie, R. D. (1940). "Further Experiments with the Masson Trichrome Modification of Mallory's Connective Tissue Stain". Stain Technology. 15 (1). doi:10.3109/10520294009110327.
  2. Schwarz, Holm-Dietmar (1999). "Nietzki, Rudolf Hugo". Neue Deutsche Biographie (in German). Vol. 19. Retrieved 2015-10-12.


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