Executive Summary: A Stable Yet Evolving $1.7 Billion Market Sodium Tripolyphosphate (STPP, Na₅P₃O₁₀, CAS 7758-29-4) remains a cornerstone inorganic chemical with critical functions across detergent, food, and industrial sectors. The global STPP market reached a consumption volume of approximately 1.4 million tons in 2024, valued at $1.7 billion​ . While growth is modest, projected at a CAGR of +0.5% in volume to 1.5 million tons by 2035, the market is defined by a clear geographic dichotomy: China dominates as both the largest producer (51% share) and consumer (33% share), while a diverse set of countries drives global import demand . Understanding the global buyer landscape requires analyzing not just who…