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What is Naphthalene? Naphthalene is an organic compound with formula C ₁₀H ₈. It is the simplest poly-cyclic aromatic hydrocarbon and appears as a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass.Read More
Nitrates
What are Nitrates? Nitrates and nitrites can be categorized into inorganic and organic forms based on their chemical structure. There are similarities and differences between these two chemical forms that affect their pharmacokinetic and pharmacodynamic properties and their subsequent biologic effects in humans.Read More
Nitrobenzene
What is Nitrobenzene? Nitrobenzene is an industrial chemical. It is an oily yellow liquid with an almond-like odor. It dissolves only slightly in water and will evaporate to air. Produced in large quantities for use in industry.Read More
Nitroglycerin
What is Nitroglycerin? Nitroglycerin, also called glyceryl trinitrate, a powerful explosive and an important ingredient of most forms of dynamite.Read More
Pentachlorophenol
What is Pentachlorophenol? Pentachlorophenol is a manufactured chemical that does not occur naturally. Pure pentachlorophenol exists as colorless crystals. Impure pentachlorophenol (the form usually found at hazardous waste sites) is dark gray to brown and exists as dust, beads, or flakes.Read More
Per- and Polyfluoroalkyl substances (PFAS)
What are PFAS? Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that includes PFOA, PFOS, GenX, and many other chemicals. Different classes of PFAS are used in the manufacturing of a variety of products. Beyond well-known applications like fire-fighting foams, carpet protectant and non-stick cookware, PFAS are used in important products such as surgical gowns and drapes, where these materials help prevent infections. They are also critical to the manufacturing of electronic devices such as cell phones and semi-conductors. Commercial aircraft and low-emissions vehicles also rely on PFAS technology.Read More
Perchlorate
What is Perchlorate? Perchlorate is a white crystalline solid or colorless liquid. Both naturally occurring and manmade anion. Perchlorate is highly soluble in water and migrates quickly from soil to groundwater.Read More
Perchloroethylene (PCE)
What is PCE/TCE? Tetrachloroethylene is a chlorocarbon with the formula Cl₂C=CCl₂. It is a colorless liquid widely used for dry cleaning of fabrics, hence it is sometimes called “dry-cleaning fluid”.
The chemical compound trichloroethylene is a halocarbon commonly used as an industrial solvent. Read More
Phenanthrene
What is Phenanthrene? Phenanthrene is a polycyclic aromatic hydrocarbon (PAHs) composed of three fused benzene rings which takes its name from the two terms ‘phenyl’ and ‘anthracene. ‘ It has a role as an environmental contaminant and a mouse metabolite. Most of the PAHs are used to conduct research. Like most PAHs, phenanthrene is used to make dyes, plastics and pesticides, explosives and drugs. It has also been used to make bile acids, cholesterol and steroids.Read More
