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Merck
CN

W246000

Sigma-Aldrich

惕各酸乙酯

≥98%, FG

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别名:
反式-2-甲基-2-丁烯酸乙酯
线性分子式:
CH3CH=C(CH3)CO2C2H5
CAS号:
分子量:
128.17
FEMA编号:
2460
EC 号:
欧洲委员会编号:
2185
MDL编号:
UNSPSC代码:
12164502
PubChem化学物质编号:
Flavis编号:
9.495
NACRES:
NA.21

生物来源

synthetic

质量水平

等级

FG
Halal
Kosher

Agency

meets purity specifications of JECFA

管理合规性

EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 117

检测方案

≥98%

折射率

n20/D 1.435 (lit.)

bp

154-156 °C (lit.)

密度

0.923 g/mL at 25 °C (lit.)

应用

flavors and fragrances

文件

see Safety & Documentation for available documents

食品过敏原

no known allergens

性状检查

berry; caramel; fruity; tropical; floral; sweet

SMILES字符串

CCOC(=O)\C(C)=C\C

InChI

1S/C7H12O2/c1-4-6(3)7(8)9-5-2/h4H,5H2,1-3H3/b6-4+

InChI key

OAPHLAAOJMTMLY-GQCTYLIASA-N

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一般描述

Ethyl tiglate, an α,β-unsaturated ester, is naturally found in apples. It can be prepared by the esterification of tiglic acid. Ethyl tiglate is a male-specific pheromone found in some Drosophila species that can attract both male and females. Saprochaete suaveolens grown in a culture medium has been reported to produce ethyl tiglate by metabolizing isoleucine.

应用


  • Metabolism of ethyl tiglate in apple fruits leads to the formation of small amounts of (R)-ethyl 2-methylbutanoate.: Focuses on the metabolic transformation of ethyl tiglate in apples, which contributes to the fruit′s flavor profile (Hauck et al., 2000).

象形图

Flame

警示用语:

Warning

危险声明

危险分类

Flam. Liq. 3

WGK

WGK 2

闪点(°F)

111.2 °F - closed cup

闪点(°C)

44 °C - closed cup

法规信息

危险化学品

分析证书(COA)

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The preparation of tiglic and angelic acids and esters1.
Buckles RE and Mock GV.
The Journal of Organic Chemistry, 15(3), 680-684 (1950)
Eric Grondin et al.
Yeast (Chichester, England), 32(1), 57-66 (2014-11-20)
A yeast identified as Saprochaete suaveolens was investigated for its capacity to produce a large panel of flavouring molecules. With a production of 32 compounds including 28 esters, S. suaveolens seems to be a good producer of fruity flavours and
R J Bartelt et al.
Journal of chemical ecology, 14(4), 1319-1327 (1988-04-01)
Mature males ofDrosophila borealis andD. littoralis (Diptera: Drosophilidae) produce pheromones that attract both males and females in a wind-tunnel bioassay. Ethyl tiglate is a major pheromone component in both species. Isopropyl tiglate is a minor component, as active as ethyl
T Hauck et al.
Enantiomer, 5(5), 505-512 (2001-01-06)
(S)-Ethyl 2-methylbutanoate is an important aroma compound in apples and serves as an indicator for genuineness of apple products due to its high optical purity of greater than 98% enantiomeric excess [T. Koenig and P. Schreier, Zeitsch. Lebensm.-Unters. Forsch. A
Aggregation pheromones in five taxa of the Drosophila virilis species group.
Bartelt RJ, et al.
Physiological Entomology, 11(4), 367-376 (1986)

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