Orange II

Molecular Formula
C16H11N2SO4Na
Catalog Number
O1204
Supplier/Brand
Spectrum Chemical
CAS Number
633-96-5

Orange II is a pH indicator and applicable in biological applications. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.


Synonyms: Acid Orange 7 ; 4-[(2-Hydroxy-1-naphthalenyl)azo]benzenesulfonic Acid Monosodium Salt

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2023