CAS 1187-13-9
:(2E)-2-Ethyl-2-butenoic acid
Description:
(2E)-2-Ethyl-2-butenoic acid, with the CAS number 1187-13-9, is an unsaturated carboxylic acid characterized by its double bond configuration and branched alkyl chain. This compound features a four-carbon backbone with an ethyl group attached to the second carbon and a carboxylic acid functional group (-COOH) at one end. The presence of the double bond in the trans configuration (denoted by "2E") contributes to its reactivity, making it a potential candidate for various chemical reactions, including polymerization and esterification. It is typically a colorless to pale yellow liquid with a distinctive odor. The compound is soluble in organic solvents and exhibits moderate solubility in water due to the polar carboxylic acid group. Its reactivity and structural features make it useful in organic synthesis and as an intermediate in the production of other chemical compounds. Safety precautions should be observed when handling this substance, as it may cause irritation to the skin and eyes.
Formula:C6H10O2
InChI:InChI=1S/C6H10O2/c1-3-5(4-2)6(7)8/h3H,4H2,1-2H3,(H,7,8)/b5-3+
InChI key:InChIKey=KFSQJVOLYQRELE-HWKANZROSA-N
SMILES:C(\C(O)=O)(/CC)=C/C
Synonyms:- (2E)-2-Ethyl-2-butenoic acid
- 2-Butenoic acid, 2-ethyl-, (2E)-
- Crotonic acid, 2-ethyl-, stereoisomer
- 2-Butenoic acid, 2-ethyl-, (E)-
- (E)-2-Ethylbut-2-enoic acid
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