C.I. Acid Red 25, 5858-93-5,

Colour Index

Name:	C.I. Acid Red 25
CAS:	5858-93-5
Synonyms	disodium 4-[(2Z)-2-(2-oxo-8-sulfonatonaphthalen-1(2H)-ylidene)hydrazinyl]naphthalene-1-sulfonate
Molecular Formula	C₂₀H₁₂N₂Na₂O₇S₂
Molecular Weight	502.428
InChI	InChI=1/C20H14N2O7S2.2Na/c23-16-10-8-12-4-3-7-18(31(27,28)29)19(12)20(16)22-21-15-9-11-17(30(24,25)26)14-6-2-1-5-13(14)15;;/h1-11,21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-20+;;
CAS Registry Number	5858-93-5
Molecular Structure