Et

Eta
A letter of the Greek alphabet.
Etching
Chemical surface corrosion.
Ethanal
Also known as acetaldehyde, it is a colourless fruity smelling liquid that with further oxidation forms acetic acid.
Ethanamide
Also known as Acetamide.
Ethane

C2H6

Second member of the alkane series, a colourless, odourless gas.

Ethanenitrile
Also known as Acetonitrile.
Ethanoic Acid
Alternative name for Acetic Acid.
Ethanol

C2H5OH

Prepared by the fermentation of sugar.

Ethanol E10
Ethanol mixture that contains 10% ethanol, 90% unleaded gasoline.

Ethanol E85
Refers to a fuel blend of 85 percent ethanol and 15 percent gasoline.

Ethanol E93
Ethanol mixture that contains 93% ethanol, 5% methanol and 2% kerosene, by volume.

Ethanol E95
Ethanol/gasoline mixture that contains 95% denatured ethanol and 5% gasoline, by volume.

Ethanoyl Chloride
Also known as Acetyl Chloride.
Ethene
Alternative name for Chloroform.
Ether
A class of organic compounds that contain an ether group which is an oxygen atom connected to two alkyl or aryl groups.
Etherification
Oxygenation of an olefin by methanol or ethanol.
Ethernet
Family of frame-based computer networking technologies for local area networks.
Ethyl
The monovalent radical -C2H5
Ethyl Acetate

CH3COOCH2CH3

A flammable liquid with a fruity odour, used in flavourings and as a solvent.

Ethyl Bromide
Alternative name for Bromoethane.
Ethyl Chloride
Alternative name for Chloroethane.
Ethyl Ether
Another name for Diethyl Ether.
Ethyl Oxide
Another name for Diethyl Ether.
Ethyl Tertiary Butyl Ether
A fuel oxygenate used as a gasoline additive to increase octane and reduce engine knock.

Ethylamine

CH3CH2NH2

Widely used in chemical industry and organic synthesis, it has a strong ammonia-like odor.

Ethylene
Also known as Ethene this is a colourless inflammable gas with a sweet smell used as an anaesthetic and in the manufacture of polythene.
Ethylene Aldehyde
Alternative name for Acrolein.
Ethylene Glycol

C2H6O2

An odorless, colourless, syrupy, sweet-tasting liquid. Ethylene glycol is only weakly toxic, but cases of poisonings are not uncommon.

Ethylene Vinyl Acetate
The copolymer of ethylene and vinyl acetate.

Ethylenecarboxylic Acid
Alternative name for Acrylic Acid.
Ethylenediaminetetraacetic Acid

C10H16N2O8

A polydentate ligand that tightly complexes certain metal ions.

Ethyne
Also known as Acetylene, used for welding as the flame temperature is roughly 3300C when burnt with oxygen.
E-Transformer
A special form of differential transformer employing an E-shaped core.
E-Type Thermocouple
Chromel-constantan thermocouple with a temperature range of 0 to 800°C.