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  2. Methylamine - Wikipedia

    en.wikipedia.org/wiki/Methylamine

    Methylamine, also known as methanamine, is an organic compound with a formula of CH 3 NH 2. This colorless gas is a derivative of ammonia , but with one hydrogen atom being replaced by a methyl group .

  3. Free base - Wikipedia

    en.wikipedia.org/wiki/Free_base

    Free base (freebase, free-base) is a descriptor for the neutral form of an amine commonly used in reference to illicit drugs. The amine is often an alkaloid , such as nicotine , cocaine , morphine , and ephedrine , or derivatives thereof.

  4. Lewis acids and bases - Wikipedia

    en.wikipedia.org/wiki/Lewis_acids_and_bases

    A Lewis base is also a Brønsted–Lowry base, but a Lewis acid does not need to be a Brønsted–Lowry acid. The classification into hard and soft acids and bases ( HSAB theory ) followed in 1963. The strength of Lewis acid-base interactions, as measured by the standard enthalpy of formation of an adduct can be predicted by the Drago–Wayland ...

  5. Benzylamine - Wikipedia

    en.wikipedia.org/wiki/Benzylamine

    Benzylamine, also known as phenylmethylamine, is an organic chemical compound with the condensed structural formula C 6 H 5 CH 2 NH 2 (sometimes abbreviated as PhCH 2 NH 2 or BnNH 2).It consists of a benzyl group, C 6 H 5 CH 2, attached to an amine functional group, NH 2.

  6. Dimethylamine - Wikipedia

    en.wikipedia.org/wiki/Dimethylamine

    Dimethylamine is a weak base and the pKa of the ammonium CH 3-NH + 2-CH 3 is 10.73, a value above methylamine (10.64) and trimethylamine (9.79). Dimethylamine reacts with acids to form salts, such as dimethylamine hydrochloride, an odorless white solid with a melting point of 171.5 °C.

  7. Selenium is an essential nutrient. But what exactly is it? - AOL

    www.aol.com/selenium-essential-nutrient-exactly...

    Vanessa Rissetto, a New Jersey-based registered dietitian at Culina Health, says the mineral can also help with reproductive health because the mineral's impact on hormones improves a woman's ...

  8. This is the best time of day to take vitamin D supplements ...

    www.aol.com/news/best-time-day-vitamin-d...

    These include fortified cow's milk, plant-based milk (soy, almond or oat), orange juice and cereals. Vitamin D supplements. Vitamin D dietary supplements contain vitamin D3 or vitamin D2. Research ...

  9. Schiff base - Wikipedia

    en.wikipedia.org/wiki/Schiff_base

    In organic chemistry, a Schiff base (named after Hugo Schiff) is a compound with the general structure R 1 R 2 C=NR 3 (R 3 = alkyl or aryl, but not hydrogen). [ 1 ] [ 2 ] They can be considered a sub-class of imines , being either secondary ketimines or secondary aldimines depending on their structure.