Min. Order Reference FOB Price
1 Ton US$3,700.00-4,000.00 / Ton
Product Description
English Name: 5-sulfur sulfur isobhthalate Basic raw material: isophthalic acid (IPA) is used as raw material. Through sulfonation of IPA with fuming sulfuric acid, the sulfonate is directly esterified without separation, and then neutralized and refined to prepare SIPM Nicotinic acid, ...