Murexide

Murexide 5,5'-Nitrilodibarbituric acid ammonium derivative. Used as an indicator for complexometric titrations.

Molecular Formula: C₈H₈N₆O₆

InChI: InChI=1/C8H5N5O6.H3N/c14-3-1(4(15)11-7(18)10-3)9-2-5(16)12-8(19)13-6(2)17;/h(H2,10,11,14,15,18)(H3,12,13,16,17,19);1H3/fC8H4N5O6.H4N/h10-13H;1H/q-1;+1

InChIKey: InChIKey=LJYRLGOJYKPILZ-RWZBPIEACF
SMILES: C1(=C(NC(=O)NC1=O)[O-])N=C2C(=O)NC(=O)NC2=O.[NH4+]

Names:
    Ammonium purpurate
    Ammonium salt purpuric acid
    Ammonium 5-(2,4,6-trioxoperhydropyrimidin-5-ylideneamino)barbiturate
    azanium 2,6-dioxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-3H-pyrimidin-4-olate
    Barbituric acid, 5,5'-nitrilodi-, monoammonium salt (VAN) (8CI)
    EINECS 221-266-6
    Murexide
    NSC 215208
    134-02-1
    2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-((hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino)-, monoammonium salt
    3051-09-0

Registries:
    PubChem CID 18275
    PubChem ID 161322