hydantoin


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hydantoin

[hī′dant·ə·wən]
(organic chemistry)
C3N2O2H A white, crystalline compound, melting point 220°C; used as an intermediate in certain pharmaceutical manufacturing and as a textile softener and lubricant. Also known as glycolyurea.
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Urea-based ASPs were not detected as evidenced by the lack of hydantoin ring formation upon heating the NCO/AE product.
Anticonvulsants, particularly the hydantoins and barbiturates, are related to hemorrhagic disease of the newborn, so adequate doses of vitamin K should be administered to newborns exposed to AEDs in utero.
The absorption, distribution and elimination of the hydantoins are not equivalent.
Such chemical compounds include reactive gases like ozone, liquids such as acids, bases, isocyanates and peracids, and solids like peroxides, hydantoins, triazine triones and other oxidizers such as potassium permanganate.
A hydantoin, 6-(2-pyridyl)-1, 3-diaza-2, 4-dioxospiro [4.
Table 1 lists the 4-alkyl-2-(2-pyridyl)cyclohexanones prepared as well as their boiling points, yields, enol/keto ratios and melting points, and yields of the hydantoin derivatives.
The goal of ERPs is to eliminate sulfates, parabens, DMDM hydantoin, propylene glycol, DEA & TEA, and mineral oil in their products.
However, most don't realize their moisturizers contain the commonly-used chemicals Dimethicone, Glyceryl Sterate, DMDM Hydantoin and Propylparaben, all known carcinogenic, formaldehyde ridden, allergy producing and skin irritating emulsifiers and preservatives.
Tenders are invited for ing piperazolne phenothiazine ring system not further condensation; hydantoin and its derivatives; sulphonamides
Last year, the Minnesota legislature voted to ban formaldehyde and formaldehyde donors (such as DMDM hydantoin and quaternium-15) from children's toiletries.
Tenders are invited for lactones, neog, heterocyclic compounds only hetero-atom (s) of nitrogen with the structure noncondensable pirazynove ring, pyridine ring, ring piperazolne or phenothiazine ring system not further condensation; hydantoin and its derivatives; sulphonamides