Colour Index Database

Colour Index

  • Name   CAS No.   C.I. No.
Name: C.I. Pigment Red 52, disodium salt
CAS: 5858-82-2
Synonyms C.I. Pigment Red 52, disodium salt; disodium (4Z)-4-[2-(4-chloro-5-methyl-2-sulfonatophenyl)hydrazinylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate; disodium 4-(4-chloro-5-methyl-2-sulfonato-phenyl)azo-3-hydroxy-naphthalene-2-carboxylate
Molecular Formula C18H11ClN2Na2O6S
Molecular Weight 464.7873
InChI InChI=1/C18H13ClN2O6S.2Na/c1-9-6-14(15(8-13(9)19)28(25,26)27)20-21-16-11-5-3-2-4-10(11)7-12(17(16)22)18(23)24;;/h2-8,22H,1H3,(H,23,24)(H,25,26,27);;/q;2*+1/p-2
CAS Registry Number 5858-82-2
EINECS 227-498-4
Molecular Structure 5858-82-2 disodium 4-[(4-chloro-5-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
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