ethyl propionate

ethyl propionate

[¦eth·əl ′prō·pē·ə‚nāt]
(organic chemistry)
C2H5COOC2H5 A colorless liquid, slightly soluble in water, boiling at 99°C; used as solvent and pyroxylin cutting agent. Also known as propionic ether.
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Through relatively simple processing adjustments, the ZeaChem platform technology can create C3 chemicals (three-carbon structure) including propionic acid, ethyl propionate, propanol and propylene.
Identified chemicals were ethanol, ethyl propionate, ethyl butyrate, ethyl 2-methylbutyrate, ethyl decanoate, ethyl dodecanoate, D-limonene, sorbic acid, benzoic acid, methyl anthranilate, and dimethyl anthranilate.
Ten chemicals identified by GC-MS in volatiles of Frutibases grape juice concentrate were obtained from various sources: ethyl propionate (Sigma-Aldrich Chemical Co.
All 11 chemicals identified by GC-MS have above 90% computer matches to mass spectra in the NIST 98 Library of Mass Spectra and Subsets except ethyl propionate which had a 64% match (Table 1).
These were ethyl propionate, ethyl dodecanoate, benzoic acid, and sorbic acid.
These were ethyl propionate, ethyl butyrate, ethyl decanoate, ethyl dodecanoate, D-limonene, benzoic acid, and dimethyl anthranilate.
The 7 chemicals were ethyl propionate, ethyl butyrate, ethyl 2-methylbutyrate, D-limonene, benzoic acid, methyl anthranilate, and dimethyl anthranilate.
These were ethyl propionate, ethyl butyrate, ethyl 2-methylbutyrate, ethyl decanoate, D-limonene, benzoic acid, and methyl anthranilate.
Similarities were calculated as: ethyl propionate, 42.
The low match for ethyl propionate (64%)is not unusual in these types of analyses because interfering peaks in complex samples, such as grape juice, contribute to the MS of the targeted peaks making matching difficult.