TNJ Chemical is the key China manufacturer and supplier of 3-Aminobenzenesulfonic acid CAS 121-47-1 with factory plant in Feidong Anhui since from 2010.  We export high quality product at good price with stable supply to wordwide such as Korea, UAE, Japan, Thailand, Malaysia, Germany, Syria, Nigeria etc, and receive good comments. If you need to buy 3-Aminobenzene sulfonic acid CAS 121-47-1 or find product information TDS MSDS etc, please feel free to contact: sales@tnjchem.com