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戊酸乙酯

戊酸乙酯用途

【用途一】
用作食品加香剂，用于化妆品、食用香精、人造果子酱、医药等
【用途二】
用作色谱分析试剂及溶剂，也用于有机合成
【用途三】
GB 2760--1996规定为允许使用的食品用香料。用于草莓、苹果、菠萝蜜等香精中。

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戊酸乙酯名称

[ CAS 号 ]:
539-82-2

[ 中文名 ]:
戊酸乙酯

[ 英文名 ]:
Ethyl valerate

[中文别名 ]:

[英文别名 ]:

Ethyl valerate
Pentanoic acid, ethyl ester
EINECS 208-726-1
Ethyl pentanoate
Valeric Acid Ethyl Ester
Valeric acid, ethyl ester
Valeric acid, ethyl ester (8CI)
Ethyl n-valerate
MFCD00009479

戊酸乙酯物理化学性质

[ 密度 ]:
0.9±0.1 g/cm3

[ 沸点 ]:
145.9±3.0 °C at 760 mmHg

[ 熔点 ]:
-92--90°C

[ 分子式 ]:
C₇H₁₄O₂

[ 分子量 ]:
130.185

[ 闪点 ]:
38.9±0.0 °C

[ 精确质量 ]:
130.099380

[ PSA ]:
26.30000

[ LogP ]:
2.30

[ 外观性状 ]:
透明至淡黄色液体

[ 蒸汽压 ]:
4.7±0.3 mmHg at 25°C

[ 折射率 ]:
1.406

[ 储存条件 ]:
Flammables area

戊酸乙酯MSDS

戊酸乙酯安全信息

[ 符号 ]:

GHS02

[ 信号词 ]:
Warning

[ 危害声明 ]:
H226

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
T+

[ 风险声明 (欧洲) ]:
R10

[ 安全声明 (欧洲) ]:
S16

[ 危险品运输编码 ]:
UN 3272 3/PG 3

[ WGK德国 ]:
3

[ 包装等级 ]:
III

[ 危险类别 ]:
3

[ 海关编码 ]:
29156090

戊酸乙酯合成路线

戊酸乙酯上下游产品

戊酸乙酯上游产品

戊酸乙酯下游产品

戊酸乙酯制备

1.由戊酸钠与乙醇在硫酸或氯化氢存在下共热酯化、蒸馏而得。

2.制法：

于装有搅拌器、回流冷凝器的反应瓶中，加入95%的乙醇250mL，冰水浴冷却下慢慢加入浓硫酸200g，再加入戊腈（2）83g（1.0mol），搅拌下加热回流10h。冷后倒入冰水中，分出有机层，水洗，无水硫酸钙干燥，分馏，收集143～145℃的馏分，得戊酸乙酯（1）约100g，收率85%。

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戊酸乙酯海关

[ 海关编码 ]: 2915600000

[ 中文概述 ]:
HS:2915600000 丁酸、戊酸及其盐和酯增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:5.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2915600000 butanoic acids and pentanoic acids and their salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

戊酸乙酯文献

Characterization of Volatile Flavor Compounds in Chinese Rice Wine Fermented from Enzymatic Extruded Rice.

J. Food Sci. 80 , C1476-89, (2015)

Enzymatic extrusion, instead of traditional steam cooking, to treat rice is an efficient and alternative pretreatment for Chinese rice wine fermentation. In order to determine the formation of volatil...

Conformational analysis of green apple flavour: the gas-phase structure of ethyl valerate validated by microwave spectroscopy.

ChemPhysChem 13(5) , 1297-301, (2012)

We report on the microwave spectrum of ethyl valerate, C(4)H(9)-COO-C(2)H(5), observed by molecular beam Fourier transform microwave spectroscopy (MB-FTMW). Highly accurate rotational and centrifugal ...

Synthesis of the 'green apple ester'ethyl valerate in organic solvents by Candida rugosa lipase immobilized in MBGs in organic solvents: Effects of immobilization and reaction parameters. Raghavendra T, et al.

J. Mol. Catal., B Enzym. 63(1) , 31-38, (2010)

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