2-aminothiazole——Application, Synthesis, Reaction etc.
2-aminothiazole is a heterocyclic amine featuring a thiazole core and it can also be considered a cyclic isothiourea. 2-aminothiazole possesses an odor similar to pyridine and is soluble in water, alc
Mar 25，2020 Chemical Reagents
Methyl benzenesulfonate: Preparation, Reactions etc.
Methyl benzenesulfonate is a sulfonate ester which acts as a potential genotoxic impurity in drug substances. Further, it exerts genotoxic effects in bacterial and mammalian cell systems.
Mar 25，2020 Inorganic acid Esters
Dibutyl phthalate-Application, Uses, Toxicity, Mechanism of action
Dibutyl phthalate is a colorless transparent oily liquid with a slight aromatic odor. It is insoluble in water, soluble in common organic solvents and hydrocarbons. It is obtained by using phthalic a
Mar 24，2020 Catalyst and Auxiliary
4,4'-Di-tert-butyl-2,2'-bipyridine--A useful ligand in chemical reactions
4,4'-di-tert-butyl-2,2'-dipyridine is white crystals. It is used as ligand in chemical reactions.
Mar 24，2020 Heterocyclic compounds
Sources of Exposure and Industrial Hygiene of Germanium
Germanium [symbol Ge; Chemical Abstracts Service Registry Number (CASRN): 7440-56-4] is never found in a pure state in the environment. In the refined state, it is a gray– white metalloid.
Mar 6，2020 Inorganic chemistry
Copper——Sources of Exposure; Industrial Hygiene and Risk Assessments
Copper (symbol Cu; CAS #7440-50-8) is distributed widely in nature; it is the twenty-sixth most abundant element in the earth’s crust and is an essential element for many life forms. Copper is an abun
Mar 6，2020 Inorganic chemistry
Cobalt: Sources of Exposure & Medical Management
Cobalt (Co; CASRN 7440-48-4) is a silvery-gray brittle but hard metal, which is distributed widely in nature, including rocks, soil, plants, and animals. It is a metal with no odor and no vapor pressu
Mar 6，2020 Inorganic chemistry
Chromium——Sources of Exposure & Risk Assessments
Chromium occurs in several different oxidation states from chromium metal to hexavalent chromium (Cr(VI)) compounds. In the environment, chromium exists primarily in the trivalent (Cr(III)) and Cr(VI)
Mar 6，2020 Inorganic chemistry
Sources of Exposure and Risk Assessments of Cadmium
Cadmium (symbol Cd; CAS #744-43-9) is a naturally occurring element found in combination with zinc in the earth’s crust. Most cadmium used in the United States is derived from zinc, copper, or lead ex
Mar 6，2020 Inorganic chemistry
Boron——Sources of Exposure & Industrial Hygiene
Boron occurs naturally as sodium borate (Na2B4O7) and calcium borate. Borax (Na2B4O710H2O) has been used for many purposes for years. The earth’s crust contains approximately 0.0008% boron (Cotton et
Mar 6，2020 Inorganic chemistry