Human-Use, Medicinal, Agricultural, Food, Toxicological, Forensic, and Consumer Chemistry in Global Realism: From Bioactive Molecular Intervention and Product Function to Exposure, Safety, Evidence, and Terminal Closure of Chemistry

Abstract

This ninth and terminal chemistry volume develops a unified mathematical framework connecting previously defined chemical entities and delivery states to contact, exposure, distribution, transformation, function, damage, measurement, and evidence-limited decision-making. It imports atomic, molecular, reaction, phase, biomolecular, metrological, environmental, industrial, and biological states from preceding volumes without redefining them. The physical foundation remains restricted to three axioms: definite finite causal histories of microscopic objects, a physical spacetime–vacuum substrate, and persistent causal source–response coupling with finite delay. Drugs, targets, foods, toxicities, risks, products, probability distributions, databases, and regulatory classifications are treated as coarse-grained states, representations, experimental inputs, or decision objects rather than additional ontology. The enlarged use-chemistry state incorporates chemical inventories, multiphase concentrations, molecular microstates, functional sites, metabolites and degradation products, environmental or physiological conditions, functional outputs, damage variables, individual or batch variation, exposure, measurement records, causal history, boundary conditions, and uncertainty. From compartment and reaction accounting, the volume derives nonnegativity, element, charge and mass conservation, bounded function and damage states, thermodynamic and exchange ledgers, causal historical response, and conditions preventing duplicate accounting. Its domain theories encompass natural products, chemical biology, medicinal chemistry, ADME, pharmacokinetics, pharmacodynamics, toxicology, pharmaceutical delivery, agricultural and food chemistry, biotechnology, consumer products, coatings, textiles, elastomers, forensic evidence, cultural heritage, chemical informatics, lifecycle assessment, and safety-oriented design. Analytical limits, identifiability conditions, uncertainty propagation, falsification criteria, and reproducible numerical benchmarks distinguish mathematical closure from experimental or clinical validation. The resulting terminal interface closes the nine-volume chemistry system while preserving unique ownership of chemical objects and prohibiting measurements, models, product labels, or social decisions from defining physical chemical entities. Keywords Global realism; human-use chemistry; medicinal chemistry; chemical biology; pharmacokinetics; pharmacodynamics; toxicological chemistry; agricultural chemistry; food chemistry; consumer chemistry; forensic chemistry; exposure; chemical function; safety assessment; uncertainty quantification; reaction–transport systems; chemical evidence; lifecycle chemistry; mathematical chemistry; terminal closure.