Glycol ethers

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Glycol ethers are a group of solvents based on alkyl ethers of ethylene glycol or propylene glycol commonly used in paints and cleaners. These solvents typically have a higher boiling point, together with the favorable solvent properties of lower-molecular weight ethers and alcohols. The word "Cellosolve" was registered in 1924 as a United States trademark by Carbide & Carbon Chemicals Corp. (later named Union Carbide Corp.) for "Solvents for Gums, Resins, Cellulose Esters, and the Like",;[1] the first one was ethyl cellosolve (ethylene glycol monoethyl ether), with the name now generic[citation needed] for glycol ethers.

Glycol ethers are either "e-series" or "p-series" glycol ethers, depending on whether they are made from ethylene oxide or propylene oxide, respectively. Typically, e-series glycol ethers are found in pharmaceuticals, sunscreens, cosmetics, inks, dyes and water based paints, while p-series glycol ethers are used in degreasers, cleaners, aerosol paints and adhesives. Both E-series glycol ethers and P-series glycol ethers can be used as intermediates that undergo further chemical reactions, producing glycol diethers and glycol ether acetates. P-series glycol ethers are marketed as having lower toxicity than the E-series. Most glycol ethers are water soluble, biodegradable and only a few are considered toxic.

Recent study suggests that occupational exposure to glycol ethers is related to low motile sperm count in men,[2] but the finding has been disputed by others.[3]

Glycol ether solvents[edit]

  • Ethylene glycol monobutyl ether (2-butoxyethanol, CH3CH2CH2CH2OCH2CH2OH), a widely used solvent in paintings and surface coatings, cleaning products and inks

Dialkyl ethers[edit]

Esters[edit]

References[edit]

  1. ^ Union Carbide also registered "Cellosolve" as a trademark for "ETHYL SILICATES FOR USE AS BINDERS IN INVESTMENT CASTINGS AND IN ZINC-RICH PRIMERS" (Reg. Number 1019768, September 9, 1975), but let it expire
  2. ^ Nicola Cherry, Harry Moore, Roseanne McNamee, Allan Pacey, Gary Burgess, Julie-Ann Clyma, Martin Dippnall, Helen Baillie and Andrew Povey (2008). "Occupation and male infertility: glycol ethers and other exposures". Occup. Environ. Med. 65 (10): 708–714. doi:10.1136/oem.2007.035824. PMID 18417551. 
  3. ^ Peter J Boogaard, Gerard M H Swaen (2008). "Letter to the editor on a recent publication titled "Occupation and male infertility: glycol ethers". Occup. Environ. Med. 

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