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Τι (ποιος) είναι methyl - ορισμός

ALKYL GROUP DERIVED FROM METHANE

Methylester; Methyl vanillate; Methyl end; Carbanylium; CH3+; Carbon cation; Methylium cation; Methyl monocation; Methyl ion; Methyl; Methyl groups; Carbinyl; Chiral methyl; Methyl anion; Methyl group rotation

methyl

['mi:???l, 'm??-, -??l]

¦ noun [as modifier] Chemistry of or denoting the alkyl radical ?CH₃, derived from methane.

Origin

C19: back-form. from methylene.

Methyl

·noun A hydrocarbon radical, CH₃, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, ·etc.

Methyl group

In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula . In formulas, the group is often abbreviated as Me.

https://en.wikipedia.org/wiki/Methyl_group

Βικιπαίδεια

Methyl group

In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula CH₃. In formulas, the group is often abbreviated as Me. This hydrocarbon group occurs in many organic compounds. It is a very stable group in most molecules. While the methyl group is usually part of a larger molecule, bounded to the rest of the molecule by a single covalent bond (−CH₃), it can be found on its own in any of three forms: methanide anion (CH−3), methylium cation (CH+3) or methyl radical (CH^•
₃). The anion has eight valence electrons, the radical seven and the cation six. All three forms are highly reactive and rarely observed.

https://en.wikipedia.org/wiki/Methyl group

Παραδείγματα από το σώμα κειμένου για methyl

1. Methyl iodide was developed as an alternative to the banned methyl bromide.

2. Just these few yummy chemicals: amyl acetate, amyl butyrate, amyl valerate, anethol, anisyl formate, benzyl acetate, benzyl isobutyrate, butyric acid, cinnamyl isobutyrate, cinnamyl valerate, cognac essential oil, diacetyl, dipropyl ketone, ethyl butyrate, ethyl cinnamate, ethyl heptanoate, ethyl heptylate, ethyl lactate, ethyl methylphenylglycidate, ethyl nitrate, ethyl propionate, ethyl valerate, heliotropin, hydroxyphrenyl– 2–butanone (10% solution in alcohol), ionone, isobutyl anthranilate, isobutyl butyrate, lemon essential oil, maltol, 4–methylacetophenone, methyl anthranilate, methyl benzoate, methyl cinnamate, methyl heptine carbonate, methyl naphthyl ketone, methyl salicylate, mint essential oil, neroli essential oil, nerolin, neryl isobutyrate, orris butter, phenethyl alcohol, rose, rum ether, undecalactone, vanillin and solvent.

3. Methyl iodide was developed by Tokyo–based Arysta LifeScience Corp. as an alternative to the widely used fumigant methyl bromide, which has been banned under an international treaty because it depletes the ozone layer.

4. The beetle can be controlled conventionally, often with the pesticide azinphos–methyl.

5. Antiseptics contain high levels of methyl alcohol, which can be poisonous and cause blindness.