C.I. Acid Orange 20, 523-44-4, C.I. 150

Colour Index

Name:	C.I. Acid Orange 20
CAS:	523-44-4
C.I. No.:	C.I. 150
Synonyms	C.I. 150; C.I. Acid Orange 20; C.I. 14600; C.I. Acid Orange 20 monosodium salt; C.I. Acid Orange 20, monosodium salt; C.I. Acid Orange 20, monosodium salt (8CI); alpha-Naphthol orange; sodium 4-[(2E)-2-(4-oxonaphthalen-1(4H)-ylidene)hydrazinyl]benzenesulfonate; sodium 4-[(E)-(4-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate; Orange I
Molecular Formula	C₁₆H₁₁N₂NaO₄S
Molecular Weight	350.3243
InChI	InChI=1/C16H12N2O4S.Na/c19-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+;
CAS Registry Number	523-44-4
EINECS	208-346-6
Molecular Structure