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CROTONIC ACID [2 records]
Record 1 - internal organization data 2000-03-06
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
Record 1, Main entry term, English
- crotonate
1, record 1, English, crotonate
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A salt or ester of crotonic acid. 1, record 1, English, - crotonate
Record number: 1, Textual support number: 1 OBS
crotonic acid... : Exists in cis and trans isomeric forms, the latter being the stable isomer used commercially. The cis form melts at 15°C and is sometimes called isocrotonic acid. 2, record 1, English, - crotonate
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
Record 1, Main entry term, French
- crotonate
1, record 1, French, crotonate
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Sel ou ester de l'acide crotonique. 2, record 1, French, - crotonate
Record number: 1, Textual support number: 1 OBS
L'acide crotonique [...] est un solide cristallin [qu'] on trouve dans la nature dans l'huile de croton. La présence [d'une] double liaison entraîne l'existence de deux isomères dont la forme cis liquide (point de fusion 14,5 °C [...] est appelée acide isocrotonique. 3, record 1, French, - crotonate
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1999-02-11
Record 2, English
Record 2, Subject field(s)
- Chemistry
Record 2, Main entry term, English
- geometric isomer
1, record 2, English, geometric%20isomer
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- geometrical isomer 2, record 2, English, geometrical%20isomer
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A type of stereoisomer in which a chemical group or atom occupies different spatial positions in relation to the double bonds. If the double bond is between two carbon atoms the isomers are called cis and trans, as in crotonic acid.... If the double bond is between a nitrogen and a carbon atom the isomers are named anti and syn, as in benzaldoxime.... 3, record 2, English, - geometric%20isomer
Record 2, French
Record 2, Domaine(s)
- Chimie
Record 2, Main entry term, French
- isomère géométrique
1, record 2, French, isom%C3%A8re%20g%C3%A9om%C3%A9trique
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Les isomères géométriques ont généralement des propriétés chimiques semblables, mais non identiques; de ce fait on peut les utiliser pour établir la configuration; les propriétés physiques sont souvent différentes : à de rares exceptions près les isomères trans ont un point de fusion plus élevé, un point d'ébullition plus faible [...] 2, record 2, French, - isom%C3%A8re%20g%C3%A9om%C3%A9trique
Record 2, Spanish
Record 2, Textual support, Spanish
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