Carbolabs, Inc., is an American chemistry company specializing in reactions utilizing

phosgene Phosgene is the organic chemical compound with the formula COCl2. It is a toxic, colorless gas; in low concentrations, its musty odor resembles that of freshly cut hay or grass. Phosgene is a valued and important industrial building block, espe ...

, founded by Joe Karabinos in 1967. Originally located in the basement of his home in

Bethany, Connecticut Bethany is a town in New Haven County, Connecticut, United States. The population was 5,297 at the 2020 census. History Bethany was first settled in 1717, but it was not until May 1832 that Bethany separated from Woodbridge to become incorporate ...

, it wasn't until the following year that the business was moved into its own dedicated building. The company was purchased by

Sigma Aldrich Sigma-Aldrich (formally MilliporeSigma) is an American chemical, life science, and biotechnology company that is owned by the German chemical conglomerate Merck Group. Sigma-Aldrich was created in 1975 by the merger of Sigma Chemical Company ...

in 1998. In 2008 operations at the Bethany site were discontinued and were subsequently moved to the

Sheboygan Falls, Wisconsin Sheboygan Falls is a city in Sheboygan County, Wisconsin, United States. Its population was 8,210 at the 2020 census. The city's downtown is listed on the National Register of Historic Places and is the first Main Street Community in Wisconsin ...

Sigma Aldrich manufacturing facility. Carbolabs uses phosgene to produce a wide array of chemicals including

isocyanates In organic chemistry, isocyanate is the functional group with the formula . Organic compounds that contain an isocyanate group are referred to as isocyanates. An organic compound with two isocyanate groups is known as a diisocyanate. Diisocyan ...

chloroformates Chloroformates are a class of organic compounds with the formula ROC(O)Cl. They are formally esters of chloroformic acid. Most are colorless, volatile liquids that degrade in moist air. A simple example is methyl chloroformate, which is commerc ...

, and

isonitriles An isocyanide (also called isonitrile or carbylamine) is an organic compound with the functional group –. It is the isomer of the related nitrile (–C≡N), hence the prefix is ''isocyano''.IUPAC Goldboo''isocyanides''/ref> The organic fragme ...

, although some reactions not involving phosgene such as the production of the fluorinating reagent DAST are also part of their established chemistries. As a subsidiary of

, a number of Aldrich products still bear "A Carbolabs Product" on their label.

References

External links

Official website
Merck Group Specialty chemical companies Chemical companies of the United States Chemical companies established in 1967 1967 establishments in Connecticut 1998 mergers and acquisitions {{US-company-stub