What does the word 'reagent' mean in relation to chemistry?

Answer 1

it is similar to a "reactant". Often used for laboratory quality chemicals, i.e. high purity

Answer 2

A reactant or reagent is a substance consumed during a chemical reaction.[1] Solvents and catalysts, although they are involved in the reaction, are usually not referred to as reactants.

Although the terms reactant and reagent are often used interchangeably, reagent is often used in a more specialized sense as "a test substance that is added to a system in order to bring about a reaction or to see whether a reaction occurs".[1] Examples of such analytical reagents include Fehling's reagent and Tollens' reagent. In organic chemistry, reagents are compounds or mixtures, usually composed of inorganic or small organic molecules, that are used to effect a transformation on an organic substrate. Examples of organic reagents include the Collins reagent, Fenton's reagent, and Grignard reagent.

In another use of the term, when purchasing or preparing chemicals, "reagent-grade" describes chemical substances of sufficient purity for use in chemical analysis, chemical reactions or physical testing. Purity standards for reagents are set by organizations such as ASTM International. For instance, reagent-quality water must have very low levels of impurities like sodium and chloride ions, silica, and bacteria, as well as a very high electrical resistivity.

Answer 3

A reagent is a reactant in a chemical reaction. But normally it refers to an off-the-shelf kind of compound that could be used in many reactions of a similar nature. For example lithium aluminum hydride (LiAlH4) is a "reagent" which is useful for doing a lot of different types of reductions in organic chemistry.

Answer 4

A reagent is just another word for reactant.
So it's what is being used up in a reaction.

Answer 5

Reagent: A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances.

Answer 6

Reagant means in relation to chemistry, a substance or mixture for use in a chemical analysis or other reaction.

Answer 7

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