Rose bengale

Rose Bengal A bright bluish pink compound that has been used as a dye, biological stain, and diagnostic aid.

Molecular Formula: C₂₀H₂Cl₄I₄K₂O₅

InChI: InChI=1/C20H4Cl4I4O5.2K/c21-10-8(9(20(31)32)11(22)13(24)12(10)23)7-3-1-5(25)16(29)14(27)18(3)33-19-4(7)2-6(26)17(30)15(19)28;;/h1-2,29H,(H,31,32);;/q;2*+1/p-2/fC20H2Cl4I4O5.2K/h29h;;/q-2;2m

InChIKey: InChIKey=AZJPTIGZZTZIDR-MERWTNHSCX
SMILES: C1=C2C(=C3C=C(C(=O)C(=C3OC2=C(C(=C1I)[O-])I)I)I)C4=C(C(=C(C(=C4Cl)Cl)Cl)Cl)C(=O)[O-].[K+].[K+]

Names:
    Bengal rose
    C.I. Acid Red 94
    C. I. 45440
    dipotassium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-oxido-3-oxo-xanthen-9-yl)benzoate
    Red No. 105
    ROSE BENGAL
    Rose bengale
    11121-48-5

Registries:
    PubChem CID 25473
    PubChem ID 168232