Chemical Glossary

CAS Number: 7440-09-7. A silver-white, soft, lightweight,
low-melting metallic element of the alkali metal group that
occurs abundantly in nature especially combined in minerals.
Chemical symbol = K. Molecular weight = 39.0983 g/mol.

CAS Number: 7440-23-5. A silver-white, soft, waxy element of the
alkali metal group that occurs abundantly in nature in combined
form and is very active chemically. Chemical symbol = Na.
Molecular weight = 22.98977 g/mol.

CAS Number: 108-31-6. A caustic, crystalline, cyclic anhydride
used especially in making resins. Chemical formula = C4H2O3.
Molecular weight = 98.06 g/mol.

CAS Number: 117-81-7. Also known as Di(2-ethylhexyl)phthalate
and DEHP. A clear, oily liquid that is practically insoluble
in water, has a slight odor and is primarily used in the
plastics industry as a plasticizer. Chemical formula =
C24H38O4. Molecular weight = 390.57 g/mol.

CAS Number: 117-84-0. Also known as Dioctyl phthalate and DnOP.
A straight chain dioctyl ester of phthalic acid, used primarily
as a plasticizer in the manufacture of plastics. Chemical
formula = C24H38O4. Molecular weight = 390.56 g/mol.

CAS Number: 85-44-9. A crystalline, cyclic, acid anhydride used
especially in making alkyd resins. Chemical formula = C8H4O3.
Molecular weight = 148.12 g/mol.

CAS Number: 91-20-3. A crystalline, aromatic hydrocarbon usually
obtained by distillation of coal tar and used primarily in
organic synthesis. Chemical formula = C10H8. Molecular weight
= 128.6 g/mol

CAS Number: 85-01-8. A crystalline, aromatic hydrocarbon of coal
tar. Chemical formula = C14H10. Molecular weight = 178.22 g/mol.

CAS Number: 123-31-9. A white, crystalline, strongly reducing
phenol used as a photographic developer and as an antioxidant and
stabilizer. Chemical formula = C6H6O2. Molecular weight = 110.06
g/mol.

CAS Number: 87-86-5. A crystalline compound used as a wood
preservative, fungicide and disinfectant. Chemical formula =
C6HCl5O. Molecular weight = 266.35 g/mol.