To save this word, you'll need to log in. Send us feedback. See more words from the same year Dictionary Entries near alkyl Al Kut alky alkyd alkyl alkylamino alkylammonium alkyl aryl sulfonate.
Accessed 14 Apr. Keep scrolling for more More Definitions for alkyl alkyl. Entry 1 of 2 : of, relating to, or being an alkyl alkyl mercurials attack the brain cells — L. Goldwater alkyl. Please tell us where you read or heard it including the quote, if possible. What does capricious mean?
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Can you spell these 10 commonly misspelled words? Do you know the person or title these quotes describe? Login or Register. Save Word. Log In. Examples of alkyl in a Sentence Recent Examples on the Web: Adjective The alkyl side chain is the driving force behind a cannabinoid's effects on humans.
First Known Use of alkyl Adjectivein the meaning defined above Nounin the meaning defined above.
History and Etymology for alkyl Noun probably from German, from Alkohol alcohol. Keep scrolling for more. Learn More about alkyl. Time Traveler for alkyl The first known use of alkyl was in See more words from the same year. Statistics for alkyl Look-up Popularity. More Definitions for alkyl. Comments on alkyl What made you want to look up alkyl? Get Word of the Day daily email!
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Play the game.The term alkyl is intentionally unspecific to include many possible substitutions. Typically an alkyl is a part of a larger molecule. Usually, alkyl groups are attached to other atoms or groups of atoms. Free alkyls occur as neutral compounds, as anions, or as cations. The cations are called carbocations.
The anions are called carbanions.
The neutral alkyl free radicals have no special name. Typically alkyl cations are generated using super acids, alkyl anions are observed in the presence of strong bases, and alkyl radicals are generated by a photochemical reaction.
Alkyls are commonly observed in mass spectrometry of organic compounds. The ease of proton loss depends on the number, orientation, and nature of the heteroatoms in the ring carrying the alkyl groups as discussed in Section 3. Reactions of this type consist of two essential steps: loss of the proton and then subsequent reaction with an electrophile. For the neutral alkylazines, we distinguish between. If we start with alkane nomenclature you will see how easy it is to name alkyl molecules.
Just remember that alkane and alkyl are two different functional groups based on the removal of one hydrogen atom. With all functional groups, the first process in naming involves determination of the prefix. This is based on how many carbon atoms are present in the longest chain of a compound.
Also, prefix is based on carbon count. Once you determine your prefix name, next up is the suffix ending. Alkyl halides [haloalkanes] consist of an alkyl group attached to a halogen: F, Cl, Br, I. Primary alcohols can be oxidised to aldehydes and on to carboxylic acids. It can be difficult to stop the oxidation at the aldehyde stage. Aldehydes have a hydrogen and an alkyl or aromatic group attached to a carbonyl function.
Aldehydes can be shown in text as: RCHO Aldehydes are easily oxidised to carboxylic acids, and they can be reduced to primary alcohols.In organic chemistryan alkyl substituent is an alkane missing one hydrogen. A cycloalkyl is derived from a cycloalkane by removal of a hydrogen atom from a ring and has the general formula C n H 2 n In structural formulathe symbol R is used to designate a generic unspecified alkyl group.
Alkylation is an important operation in refineries, for example in the production of high-octane gasoline. Alkylating antineoplastic agents are a class of compounds that are used to treat cancer. In such case, the term alkyl is used loosely. For example, nitrogen mustards are well-known alkylating agents, but they are not simple hydrocarbons.
In chemistry, alkyl is a group, a substituent, that is attached to other molecular fragments. A dialkyl ether is an ether with two alkyl groups, e.
Alkyl also refers to an active ingredient in green algae preventatives used in swimming pools. In medicinal chemistrythe incorporation of alkyl chains into some chemical compounds increases their lipophilicity. This strategy has been used to increase the antimicrobial activity of flavanones and chalcones. Usually, alkyl groups are attached to other atoms or groups of atoms.
Free alkyls occur as neutral compounds, as anions, or as cations. The cations are called carbocations. The anions are called carbanions. The neutral alkyl free radicals have no special name. Such species are usually encountered only as transient intermediates, but some are quite stable and can be "put into a bottle". Typically alkyl cations are generated using super acidsalkyl anions are observed in the presence of strong bases, and alkyl radicals are generated by a photochemical reaction.
Alkyls are commonly observed in mass spectrometry of organic compounds. Alkyls form homologous series. These names are used to name branched chained structures, for example 3-methylpentane :. The structure of 3-methylpentane is viewed as consisting of two parts.
First, five atoms comprise the longest straight chain of carbon centers. The parent five-carbon compound is named pentane highlighted blue. The methyl "substituent" or "group" is highlighted red. According to the usual rules of nomenclature, alkyl groups are included in the name of the molecule before the root, as in methylpentane.
This name is, however, ambiguous, as the methyl branch could be on various carbon atoms. Thus, the name is 3-methylpentane to avoid ambiguity: The 3- is because the methyl is attached to the third of the five carbon atoms. If there is more than one of the same alkyl group attached to a chain, then the prefixes are used on the alkyl groups to indicate multiples i.
This compound is known as 2,3,3-trimethylpentane. Here three identical alkyl groups attached to carbon atoms 2, 3, and 3. These numbers are included in the name to avoid ambiguity on the position of the groups, and "tri" indicates that there are three identical methyl groups.
If one of the methyl groups attached to the third carbon atom were an ethyl group, then the name would become 3-ethyl-2,3-dimethylpentane.
Note that when there are different alkyl groups, they are listed in alphabetical order. In addition, each position on an alkyl chain can be described according to how many other carbon atoms are attached to it.Related to alkyl: alkyl halidearyl. A compound, such as tetraethyl lead, in which a metal is combined with alkyl radicals. Synonym s : alkide. Mentioned in? References in periodicals archive?🔥 Test for Alkyl Halides 🔥 - Organic Chemistry
The study opines that Europe's lead in the alkyl polyglucoside market will show no signs of abating, with sales in accounting for over one-third volume share. In this case, the best predictions can be expected from the combustion of compounds containing more alkyl groups and less nitro groups. The effect of the grafted alkyl chain length on the flexural properties and impact strengths of the nanocomposites appeared apparently. However, the increase in alkyl chain length from [C. Allergy to alkyl glucosides became more common over time in the McGill series.
Ecofriendly surfactant is allergen of the year. The researchers conclude that changes in the properties of alkylated-pi molecules depend upon the precise balance of the interactions among the pi-conjugated units as well as static interactions known as van der Waals forces among the alkyl chains. Optimising soft-optoelectronics materials through molecular engineering.
Furthermore, more nanorod or nanobelt aggregates with different sizes were obtained in gels with longer alkyl substituent chains. Characterization of binary organogels based on some azobenzene compounds and alkyloxybenzoic acids with different chain lengths. The I[C. Antifungal activity of decyl gallate against several species of pathogenic fungi.
Meanwhile, ECHA has released proposals to harmonise within the EU the classification, labelling and packaging of four chemical substances used by the soap and cosmetics sectors: coal tar; coco alkyl amines; hydrogenated tallow alkyl amines; and standard tallow alkyl amines. REACH releases weblink for checking registrations. Medical browser? Full browser?Alkyl groups are among the most common organic compounds known to man — the hydrocarbon.
There are millions of organic compounds known to man, but the most simple type of organic compound is the hydrocarbon. Hydrocarbons are compounds that are made purely of hydrogen and carbon. They are often found in crude oils, fossils, plastics, and organic materials. These compounds come in the form of alkanes, alkenes, and alkynes. Additionally, alkyl groups can sometimes be found attached to these compounds usually attached to alkanes.
An alkyl group is an alkane with one hydrogen missing. They can only exist when they are attached to a hydrocarbon chain because for carbon to maintain stability it needs to have all 4 electrons in its outer shell to form covalent bonds. The difference between an alkane and an alkyl group is demonstrated below. There are instances, however, when acyclic alkyls form using the formula C n H 2n The name of an alkyl group can be determined by examining the number of carbons and hydrogen atoms that make up each molecule.
This is because alkyls form homologous series. A homologous series is a group of molecules with the same functioning group. The different compounds inside the series are determined by the number of repeating elements that can be found in each compound. In this case, the name of each alkyl group is determined by looking at the number of carbons in each alkyl group, adding a matching numerical prefix, and adding the suffix -yl.
These groups are then used to identify the name of the hydrocarbon chain they are found on. This is done by identifying the name of the hydrocarbon chain the alkyl group is on and then determining which carbon the chain is attached to. In the picture above, there is an alkane chain with an attached alkyl group. To find the name, we must first count the number of carbons in the alkane chain. There are 5 carbons.
The naming system for alkanes is nearly identical to the naming system for alkyls. The only difference is that alkanes use the suffix -ane.
When looking at the alkane chain and using the naming system, we then see that the alkane chain is pentane. There is one carbon and three hydrogens. From looking at the naming system, we know that this alkyl is called methyl. Next, it is time to combine these two names. When counting from left to right, it appears that the methyl group is located on the third carbon in the series. To ensure that the structure can be properly redrawn by anyone who sees the name of the molecule, we will include this number in our name for the molecule.
When we look at the molecule in the picture above, we see that the alkyl group is located off of the third carbon. Next, we see that the alkyl is methyl. Lastly, we see that the hydrocarbon chain is pentane. When we combine this information, we discover that the proper name for this molecule is 3-methylpentane. When naming a more complex hydrocarbon that has multiple alkyl groups, the naming process stays similar overall. There are, however, some noticeable differences.Alkyl polyglucoside is a biodegradable ingredient derived from plant starch and fatty alcohol from coconuts.
Alkyl polyglucoside is a surfactant. We use the ingredient in our dishwasher detergent. However, alkyl polyglucoside can also be found in personal care products, laundry products, bathroom cleaners, and other cleaning products.
Alkyl polyglucoside is typically made by reacting a fatty alcohol with a sugar using an acid as a catalyst. Alkyl polyglucoside is a biodegradable ingredient that is growing in popularity due to its favorable environmental profile.
National Library of Medicine  Dow. Epub Feb 6. Skip to main content. Home Ingredients Alkyl polyglucoside. Search Ingredients. What is Alkyl polyglucoside Alkyl polyglucoside is a biodegradable ingredient derived from plant starch and fatty alcohol from coconuts. What Alkyl polyglucoside does in our products Alkyl polyglucoside is a surfactant.
Which products include Alkyl polyglucoside. Natural Dishwasher Detergent Packs. How Alkyl polyglucoside made Alkyl polyglucoside is typically made by reacting a fatty alcohol with a sugar using an acid as a catalyst. Why we use Alkyl polyglucoside Alkyl polyglucoside is a biodegradable ingredient that is growing in popularity due to its favorable environmental profile.
Derived from coconut.Related to alkyl: alkyl halidearyl. Switch to new thesaurus. Mentioned in? References in periodicals archive? An insightful research report by Fact. Method of production of modified conjugated diene rubber. It can be seen from Table-3 that the relative deviation of the calculated values of combustion enthalpies from the experimental values decreases in the case when alkyl groups are sufficiently represented in the amide structure.
The lime soap dispersing agent comprises an alkyl ethoxysulfate surfactant and an alkoxylated polyalkyleneime. Request for quotations : anionic surfactants sulfoethoxylate of fatty alcohols or sodium laureth sulfate a sulfo alkyl c - poly hydroxy 1,2 ethanediyl sodium salt according to iupac or analogue Anionic Surfactants Sulfoethoxylate Of Fatty Alcohols Or Sodium Laureth Sulfate a Sulfo Alkyl C - Poly hydroxy 1,2 Ethanediyl Sodium Salt according To Iupac Or Analogue.
A successful approach was introduced by incorporating some alkyl chains into the organic framework, which not only suppresses aggregate formation but also enhances the molar extinction coefficient of the organic sensitizer  Effect of the Alkyl Chain Length Incorporated into Donor Part on the Optoelectronic Properties of the Carbazole Based Dyes: Theoretical Study.
Ecofriendly surfactant is allergen of the year. Dictionary browser? Full browser?