The market taxonomy of phenol and acetone also differentiates by product grade and subtype, which shapes pricing tiers and end‑use suitability. Phenol is offered as technical phenol (≈70 % purity, bulk‑grade for resin manufacture), purified phenol (≥99 % purity, used in fine‑chemical synthesis), and o‑Phenylphenol (a biocide‑grade derivative). Each subtype commands a distinct margin: technical phenol drives the high‑volume, low‑margin segment, while purified phenol and o‑Phenylphenol support higher‑value niches such as pharmaceuticals and agro‑chemicals. Acetone is similarly stratified into technical grade (≈99.5 % purity, primary solvent for coatings and cleaning), USP/Pharma grade (≥99.9 % purity, required for drug‑manufacturing processes), and high‑purity grade (≥99.99 % purity, employed in electronic‑grade applications). The distribution of these subtypes mirrors the application chart: bulk technical grades dominate the Resins & Plastics and Paints & Coatings clusters, whereas purified and high‑purity grades are concentrated in Pharmaceuticals, Agrochemicals, and Adhesives, reinforcing the overall market size.