(redirected from Isobutyl)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Isobutyl: isobutyl nitrite, Isobutyl acetate, Isobutyl alcohol


Relating to or being a hydrocarbon unit, C4H9, that can occur as a substituent in an organic compound or as an ion or radical.


(ˈbjuːˌtaɪl; -tɪl)
(Elements & Compounds) (modifier) of, consisting of, or containing any of four isomeric forms of the group C4H9–: butyl rubber.
[C19: from but(yric acid) + -yl]


(ˈbyu tɪl, ˈbyut l)

any of four univalent isomeric groups with the formula C4H9.
[1865–70; but (yric) + -yl]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.butyl - a hydrocarbon radical (C4H9)
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
isobutylene - used also in making gasoline components
References in periodicals archive ?
In this study, two different POSS, acrylisobutyl POSS (AIBuPOSS) which contains one acryl group and seven isobutyl groups per molecule (Fig.
Tenders are invited for supply of hexadecyl trimethyl ammonium bromide,hexane hplc grade,histamine,hydroquinone diacetate ar,ibuprofen ip,imidazole ar,indole 3 acetic acid pure,indole 3 butyric acid,indomethacin,ison1azid ar,karl fischer reagent a and b ar,labrafilm 1944,lactic acid ar,l-argin1ne hcl ar,l-aspartic acid ar,linseed oil ar,mayer%s reagent,mercuric sulphate ar,methanol hplc grade,methyl acetate ar,methyl isobutyl xanthine,methyl paraben sodium ar,methylated spirit,methylene bis acrylamide ar,miglyol,mtt reagent,n-lauryl sarcos1ne,n methyl morpholine ar,n-methyl p1peramine ar,n-methyl piperidine ar,n, n-d1ethylamine
Emergence of isobutanol as a platform chemical for producing isobutyl esters has also helped in market penetration.
As illustrated in Figure 3, the polymerization system developed for these plant oil-based vinyl ether monomers involves the use of the addition product of isobutyl vinyl ether and acetic acid as the initiator, ethylaluminum sesquichloride as the coinitiator, and toluene as the solvent.
Acetone is a backbone intermediate in the production of methyl methacrylate monomers, bisphenol A, and aldol chemicals such as methyl isobutyl ketone, and is used as a solvent in many of the same products.
Oroxylin A (OA), isobutyl methylxanthene (1BMX), dexamethasone, insulin, Hoechst 33258, oil red O and free glycerol reagent were obtained from Sigma (St.
Among the topics are hydrotalcites as catalysts and catalyst precursors for synthesizing biodiesel, the adsorption of acid dyes on hydrotalcite-like anionic clays, recent developments in clay-based functional coating for corrosion protection, drug delivery using nano-sized layered double hydroxide, and progress in the one-pot synthesis of methyl isobutyl ketone using catalysts based on multifunctional layered clay.
Table 1: Substances that can cause Methemoglobinemia (4) Inorganic Agents Nitrates, fertilizers, chlorates, copper sulfates --fungicides Organic Agents Amyl Nitrate, Isobutyl Nitrite, Sodium Nitrite, Nitroglycerin, Nitroprusside, Nitric Oxide, Nitrogen Dioxide, Trinitrotoluene, Combustion products Drugs Local Anesthetics: Benzocaine, Lidocaine, Prilocaine Pyridium, Anti-malarials --Primaquine, Chloroquine, Rasburicase, Cyclophosphamide, Ifosfamide, flutamide, Acetaminophen, Acetanilid, Phenacetic, celecoxib, Zopiclone, Methlene Blue (high doses in G6PD-Deficient patients) Antibiotics: Sulfonamides, Nitrofurantoins, P-aminosalicylic acid, Dapsone Industrial/Household Agents Aniline Dyes, Nitrobenzene, naphthalene (moth balls), aminophenol, nitroethane (nail polish remover)
Model apple juice samples were prepared by the researchers who used three concentrations of sucrose and fructose, and two concentrations of glucose, with a fixed concentration of six characteristic apple aroma-flavor compounds, including isobutyl acetate, hexanal, butyl acetate, trans-2-hexenal, propyl butyrate and hexyl acetate.
Identification and quantification was based on external calibration with standard solutions of acetaldehyde, 2-pentanone, 2-butanone, ethylacetate (Fluka, Buchs SG, Switzerland); ethanol (Arcus, Oslo, Norway); 2-methyl-1-propanol, 2-methyl-1-butanol, 2-methyl-1-butanal, 3-methyl-1-butanol, 2-methyl-1-butanol, 2-methyl-1-propanol, 3-methyl-1-butanal, 3-methyl-1-butanol, 2-methyl-1-butanol, 2-methyl-1-propanal, diacetyl, 2-propanol, 1- butanol, 2-butanol, acetoin, iso-butylacetate, acetone, 2,3-pentanedione, ethylacetate, acetone, isobutyl acetate and ethyl butyrate (Merck KGaA, Darmstadt, Germany).
Snap by Parkell or Temp-Plus by Ellman), with the R' representing an ethyl, vinyl or an isobutyl functional methacrylate system.