Of or denoting the alkyl radical —CH3, derived from methane and present in many organic compounds
A dark red, weakly acidic, water-insoluble dye that is the azo compound of dimethylaniline and anthranilic acid and is used (in alcoholic solution) as an acid–base indicator, changing from red to yellow over a pH range of 4.2 to 6.3; (CH3)2NC6H4NNC6H4COOH.
Dimethyl ether, (CH3)2O.
A green dye of the triphenylmethane series, C27H35BrClN3, used especially as a histological stain and indicator for DNA.
An orange crystalline dye that is the sodium salt of the azo compound of dimethylaniline and sulphanilic acid and is chiefly used as an acid–base indicator, changing from red to yellow-orange over a pH range of 3.1 to 4.4; (CH3)2NC6H4NNC6H4SO3Na.
An early synthetic rubber made by polymerization of dimethylbutadiene.
Any of a group of methylated rosaniline dyes that vary in colour from bluish to reddish violet depending on their degree of methylation.
A highly toxic gas, CH3Br, which is liquid below 3°C and is used in organic synthesis and as a fumigant; also called bromomethane.
A gas, CH3Cl, which is liquid below 12°C and is used as a refrigerant; also called chloromethane.
Another term for methanol.
Another term for acetonitrile.
A highly toxic volatile liquid, CH3NCO, used in the manufacture of insecticides and herbicides.
A toxic liquid, CH3NC.
A flammable gas with a pungent odour, CH3SH, which is used as an organic reagent and in the manufacture of jet fuels and pesticides.
The methyl ester of salicylic acid, C6H4(OH)COOCH3, a colourless to pale-yellow liquid that is the chief constituent of oil of wintergreen and is used in perfumes, as a flavouring, and in analgesic liniments.
The methyl ester of methacrylic acid, CH2C(CH3)COOCH3, which is a volatile liquid that readily polymerizes to form a transparent plastic used as a glass substitute, sold under names such as Lucite, Perspex, and Plexiglas.
A liquid fuel derived from rapeseed oil by treatment with methanol and glycerine and used as an alternative to diesel; abbreviated RME.
Butanone, CH3CH2COCH3; abbreviated MEK.
A liquid ketone, (CH3)2CHCH2COCH3, which is manufactured by the hydrogenation of mesityl oxide and widely used as a solvent; 4-methylpentan-2-one.
Systematic chemical name for toluene.
An odoriferous toxic liquid, used as a solvent in high-performance liquid chromatography