ChemIDplus
This page provides a description and a link to a "ChemIDplus" database that provides information needed when modeling exposure levels or performing exposure assessment.
Short Description
Information available more than 300000 substances. Data includes information for structure, toxicity and chemical properties.
Link
http://chem.sis.nlm.nih.gov/chemidplus/
Key Words
chemical properties, physical properties, toxicology, structures, henry's law constants, log P, atmospheric OH rate constants, pKa dissociation constants