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An aqueous solution of formaldehyde that is 37 percent by weight, usually also containing 10 to 15 percent methanol to prevent polymerization of the formaldehyde.

[Originally a trademark.]






(Chemistry) a 40 per cent solution of formaldehyde in water, used as a disinfectant, preservative for biological specimens, etc


(ˈfɔr mə lɪn)

a clear, colorless, aqueous solution of 40 percent formaldehyde.
[1893; formal(dehyde) + -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.formalin - a 10% solution of formaldehyde in water; used as a disinfectant or to preserve biological specimens
solution - a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water"


formaline [ˈfɔːməlɪn] Nformalina f


nFormalin® nt


[ˈfɔːməlɪn] nformalina


n formol m
References in periodicals archive ?
In this study, it was shown that the administration of ethanolic aerial part extract of Leonurus cardiaca possesses antinociceptive effects in tail flick, hot plate, and both phases of formalin test.
The second series of experiments on 42 rats weighing 146-165 g of both sexes studied the effect of garlic oil on the course of inflammation induced by formalin and histamine.
Summary: TEHRAN (FNA)- Iranian First Vice-President Mohammad Reza Rahimi inaugurated the Middle East's biggest formalin production plant in the Southern Hormuzgan province on Monday.
The plant, which has been set up by the private sector, is set to annually produce 30,000 tons of formalin in the initial stage, which can be increased to 56,000 tons per year.
Results: The DNA and nuclei isolation success rate for B5 formalin-fixed, paraffin-embedded tissue sections (n = 12) was 42% and 33%, respectively, versus 95% and 60%, respectively, for 20 tissue sections fixed in formalin only.
Moreover, for the formalin test, drug or vehicle infusion was performed 15 min before and 25 min posterior to formalin injection.
Formalin, an aqueous solution of formaldehyde, is the chemical most commonly used for embalming.
The bright orange plastic barrier layer is impermeable to strong solvents, including xylene, acetone, ketones, alcohol and formalin.
And this toxic chemical, formalin, is one that's used to preserve dead bodies in mortuaries.
A source inside the hospital told Daily News Egypt that the angry ex-husband of one of the nurses set off the tear gas bomb out of anger and also used formalin in the attack.
Two names were put forward for the identity of the 'Pyjama Girl' and the body was preserved in formalin.
Odema, granuloma and arthritis models are frequently used to test the anti inflammatory activity of plant extracts where as formalin or acetic acid induced writhing test and hot plate method are the most repeatedly used methods to evaluate anti-nociceptive potentials of these extracts.

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