C.I. ACID ORANGE 12

6-hydroxy-5-phenyldiazenylnaphthalene-2-sulfonic acid

CAS: 23481-33-6

Molecular Formula	`C16H12N2O4S`
Molecular Weight	328.3 g/mol
LogP	3.3
Topological Polar Surface Area	108.0 A2
Hydrogen Bond Donors	2
Hydrogen Bond Acceptors	6
Rotatable Bonds	3
Exact Mass	328.0518
Heavy Atoms	23
Complexity	525.0

Chemical Identifiers

CAS Number	23481-33-6
SMILES	`C1=CC=C(C=C1)N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)O)O`
InChIKey	`GTRGJJDVSJFNTE-UHFFFAOYSA-N`

📖 Product Overview

C.I. ACID ORANGE 12 (CAS: 23481-33-6) is a chemical compound with molecular formula C16H12N2O4S and molecular weight 328.3 g/mol. Its IUPAC systematic name is 6-hydroxy-5-phenyldiazenylnaphthalene-2-sulfonic acid. LogP 3.3 Topological Polar Surface Area 108.0 A2 Hydrogen Bond Donors 2 Hydrogen Bond Acceptors 6 Rotatable Bonds 3 Exact Mass 328.0518 Heavy Atoms 23 Complexity 525.0 InChI Key: GTRGJJDVSJFNTE-UHFFFAOYSA-N. SMILES: C1=CC=C(C=C1)N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)O)O.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.

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