E331 may refer to:
*
European route E331
E331 is a European B class road in Germany, connecting the cities Dortmund – Kassel
*
**Dortmund, Kassel
Kassel (; in Germany, spelled Cassel until 1926) is a city on the Fulda River in northern Hesse, Germany. It is the administrative seat ...
, which is a part of Bundesautobahn 44
*
E331 series
The was an electric multiple unit (EMU) train introduced experimentally from 2007 on commuter services on the Keiyo Line in Japan operated by East Japan Railway Company (JR East). Only one trainset was built, and it differed significantly from ...
, a former electric multiple unit (EMU) used for commuter services
* E331, the E number of the salt forms of
sodium citrate Sodium citrate may refer to any of the sodium salts of citric acid (though most commonly the third):
* Monosodium citrate
* Disodium citrate
* Trisodium citrate
The three forms of salt are collectively known by the E number E331.
Applications
F ...
{{Letter-Number Combination Disambiguation