Sirius red 4B
An organic sodium salt resulting from the formal condensation of Sirius red 4B (acid form) with two equivalents of sodium hydroxide. Used as the plasma stain in some trichrome staining methods.
Term info
Sirius red 4B
- disodium 7-benzamido-4-hydroxy-3-({4-[(4-sulfonatophenyl)diazenyl]phenyl}diazenyl)naphthalene-2-sulfonate
3_STAR
0
C29H19N5Na2O8S2
chebi_ontology
Disodium 7-benzamido-4-hydroxy-3-((4-((4-sulphonatophenyl)azo)phenyl)azo)naphthalene-2-sulphonate, C.I. Direct Red 81, Chlorantine fast red 5B, Direct red 81, C.I. Direct Red 81 disodium salt, C.I. 28160, Solaminrot 4B
CHEBI:88191
InChI=1S/C29H21N5O8S2.2Na/c35-28-25-15-12-23(30-29(36)18-4-2-1-3-5-18)16-19(25)17-26(44(40,41)42)27(28)34-33-21-8-6-20(7-9-21)31-32-22-10-13-24(14-11-22)43(37,38)39;;/h1-17,35H,(H,30,36)(H,37,38,39)(H,40,41,42);;/q;2*+1/p-2/b32-31+,34-33+;;
UFUQRRYHIHJMPB-DUCFOALUSA-L
675.603
675.04704
C12=CC=C(C=C1C=C(C(=C2O)/N=N/C=3C=CC(=CC3)/N=N/C=4C=CC(=CC4)S([O-])(=O)=O)S([O-])(=O)=O)NC(C=5C=CC=CC5)=O.[Na+].[Na+]
Term relations
- organic sodium salt
- has part some Sirius red 4B(2-)
- has role some fluorochrome
- has role some environmental contaminant
- has role some histological dye
- has role some poison