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chemical substance
(redirected from Pure substance)

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
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Noun1.chemical substance - material produced by or used in a reaction involving changes in atoms or moleculeschemical substance - material produced by or used in a reaction involving changes in atoms or molecules
explosive - a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck
material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread"
reactant - a chemical substance that is present at the start of a chemical reaction
Alar, daminozide - a chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time
carrier - an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction
bacteriacide, bactericide - any chemical agent that destroys bacteria
carbon tetrahalide - compounds composed of 1 carbon and 4 halogen molecules
congener - a minor chemical constituent that gives a wine or liquor its distinctive character
chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
soil conditioner - a chemical substance used to improve the structure of the soil and increase its porosity; "gypsum can be used as a soil conditioner"
fertiliser, fertilizer, plant food - any substance such as manure or a mixture of nitrates used to make soil more fertile
flux - a substance added to molten metals to bond with impurities that can then be readily removed
fumigant - a chemical substance used in fumigation
herbicide, weed killer, weedkiller - a chemical agent that destroys plants or inhibits their growth
intermediate - a substance formed during a chemical process before the desired product is obtained
fraction - a component of a mixture that has been separated by a fractional process
larvicide - a chemical used to kill larval pests
pesticide - a chemical used to kill pests (as rodents or insects)
phytochemical - a chemical substance obtained from plants that is biologically active but not nutritive
product - a chemical substance formed as a result of a chemical reaction; "a product of lime and nitric acid"
restrainer - a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film
stabilizer - a chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state
softener - a substance added to another to make it less hard


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This is because 5HTP is a pure substance found already in the body.
Detailed MSDSs on over 40,000 pure substances and 85,000 common mixtures help laboratory workers comply with hazard communication requirements.
Lancaster will unveil a new look in the first quarter and seven new sun care products featuring complex Radical Protection Factor (RPF) with botanical extracts and pure substances to neutralize free radicals and protect the skin from cell damage and photoaging.
 
 
 
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