Basic

CAS No.	5402-20-0
Product Name	4-Pyridinesulfonic acid
Synonyms	NSC 5082; 4-Pyridine sulphonic acid; pyridine-4-sulfonic acid
Molecular Formula	C5H5NO3S
Molecular Weight	159.16

Physical property

Density	1.509g/cm3
Melting point	330 ºC (DEC.)