C.I. Acid Red 18, 2611-82-7, C.I. 185

Colour Index

Name:	C.I. Acid Red 18
CAS:	2611-82-7
C.I. No.:	C.I. 185
Synonyms	C.I. 185; C.I. Acid Red 18; C.I. 16255; C.I. Acid Red 18 (VAN); C.I. Acid Red 18, trisodium salt; C.I. Acid Red 28; C.I. Food Red 7; C.I. Acid Red 18, trisodium salt; 1-(4-Sulfo-1-naphthylazo)-2-hydroxy-6,8-naphthalenedisulfonic acid trisodium salt; 1'-(4-Sulfo-1-naphthylazo)-2'-hydroxy-6',8'-naphthalenedisulfonic acid trisodium salt; 7-hydroxy-8-[(4-sulfo-1-naphthyl)azo]-1,3-Naphthalenedisulfonic acid, trisodium salt; Acid Red 18; BRILLIANT PONCEAU; Brilliant scarlet 4R; Cochineal Red A; Food Red No.102; Ponceau 4R; Scarlet 3R, Soluble; SX purple; Trisodium 7-hydroxy-8-(4-sulfonato-1-naphthylazo)-1,3-naphthalenedisulfonate; trisodium 7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate; trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazinylidene]-7,8-dihydronaphthalene-1,3-disulfonate
Molecular Formula	C₂₀H₁₁N₂Na₃O₁₀S₃
Molecular Weight	604.473
InChI	InChI=1/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,21H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3/b22-20+;;;
CAS Registry Number	2611-82-7
EINECS	220-036-2
Molecular Structure

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