Executive Summary: A $12.5+ Billion Market Driven by Agricultural and Industrial Demand The global Ammonium Sulphate market represents a critical segment of the nitrogenous fertilizer and industrial chemicals sector with projected market size reaching $12.5 billion by 2027​ and growing at a 3% CAGR through 2031​ . As a dual-nutrient fertilizer providing 21% nitrogen and 24% sulfur, Ammonium Sulphate serves essential functions across agricultural production, industrial manufacturing, animal feed supplementation, and water treatment applications​ . The global market expanded to approximately 220 million tonnes in 2021​ and is expected to grow at an impressive 3.47% CAGR during the forecast period until 2030​ . The buyer ecosystem spans multinational fertilizer distributors,…