Orange IV

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Catalog Number
ACM554734
Product Name
Orange IV
Structure
Structure
CAS
554-73-4
Category
Acid Dyes
Synonyms
Benzenesulfonicacid,4-[[4-(phenylamino)phenyl]azo]-,monosodiumsalt
IUPAC Name
Sodium;4-[(4-anilinophenyl)diazenyl]benzenesulfonate
Molecular Weight
375.38
Molecular Formula
C18H14N3NaO3S
Canonical SMILES
C1=CC=C(C=C1)NC2=CC=C(C=C2)N=NC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
InChI
InChI=1S/C18H15N3O3S.Na/c22-25(23,24)18-12-10-17(11-13-18)21-20-16-8-6-15(7-9-16)19-14-4-2-1-3-5-14;/h1-13,19H,(H,22,23,24);/q;+1/p-1
InChI Key
MLVYOYVMOZFHIU-UHFFFAOYSA-M
Melting Point
>300 °C
Appearance
Powder
pKa
2.0
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