Aniline-2-sulfonic acid

About This Item

Molecular Formula	C₆H₇NO₃S
CAS Number	88-21-1

FC-0719462

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Properties

Chemical Identifiers

IUPAC Name	2-aminobenzenesulfonic acid
SMILES	C1=CC=C(C(=C1)N)S(=O)(=O)O
InChI Key	ZMCHBSMFKQYNKA-UHFFFAOYSA-N
InChI	InChI=1S/C6H7NO3S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

Physical Properties

Boiling Point	363ºC
Melting Point	617 °F (decomposes) (NTP, 1992)
Density	1.5±0.1 g/cm3

Safety Information

Hazard Class

Danger

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.