Mordant Blue 29; 2,6-Dichlorodimethyl-sulfoxy-fuchsonedicarboxylic acid; Trisodium 5-[(3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene); (2,6-dichloro-3-sulphonatophenyl)methyl]-2-hydroxy-3-methylbenzoate; Eriochrome Azurol S
Chromeazurol S is a hydrophilic anion. It is also known as Mordant Blue 29 (C.l. 43825) and Chrome Azurol S. Used to evaluate siderophore production by rhizosphere bacteria.
Synonyms
Mordant Blue 29; 2,6-Dichlorodimethyl-sulfoxy-fuchsonedicarboxylic acid; Trisodium 5-[(3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene); (2,6-dichloro-3-sulphonatophenyl)methyl]-2-hydroxy-3-methylbenzoate; Eriochrome Azurol S; CI 43825
Molecular Formula
C23H13Cl2Na3O9S
Appearance
Bown to green crystalline powder
Infrared Spectrum
Conforms to structure
UV Ratios
C=0.03 g/L in water = E (430+/- 5nm) ≥11,000
Solubility (0.1% in H2O)
Brown to dark red-brown to orange-red, clear solution
Storage and Stability
Powder may be stored at RT. Stable for 6 months after receipt.
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