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δ-戊内酯

δ-戊内酯用途

用作戊酸衍生物的合成原料。合成戊内酰胺、聚酯。

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δ-戊内酯名称

[ CAS 号 ]:
542-28-9

[ 中文名 ]:
delta-戊内酯

[ 英文名 ]:
delta-Valerolactone

[中文别名 ]:

[英文别名 ]:

δ-Valerolactone
Tetrahydro-2H-pyran-2-one
2H-Pyran-2-one, tetrahydro-
delta-Valerolactone
EINECS 203-569-5
Tetrahydro-2-pyranone
MFCD00005400

δ-戊内酯物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
218.0±8.0 °C at 760 mmHg

[ 熔点 ]:
-13 °C

[ 分子式 ]:
C₅H₈O₂

[ 分子量 ]:
100.116

[ 闪点 ]:
100.0±0.0 °C

[ 精确质量 ]:
100.052429

[ PSA ]:
26.30000

[ LogP ]:
-0.20

[ 外观性状 ]:
透明无色至淡黄色液体

[ 蒸汽密度 ]:
3.45 (vs air)

[ 蒸汽压 ]:
0.1±0.4 mmHg at 25°C

[ 折射率 ]:
1.440

[ 储存条件 ]:
2-8°C

[ 水溶解性 ]:
miscible

δ-戊内酯MSDS

δ-戊内酯安全信息

[ 符号 ]:

GHS05

[ 信号词 ]:
Danger

[ 危害声明 ]:
H318

[ 警示性声明 ]:
P280-P305 + P351 + P338

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

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R41

[ 安全声明 (欧洲) ]:
S26-S39

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
LU3580000

[ 海关编码 ]:
2932999099

δ-戊内酯合成路线

δ-戊内酯上下游产品

δ-戊内酯上游产品

δ-戊内酯下游产品

δ-戊内酯制备

(1)将环戊酮用过苯甲酸处理。(2)将ω-苯氧(基)丙基丙二酸酯与氢碘酸加热，所得5-碘戊酸钠进行加热。(3)将戊二酸酐在醇中，用钠或钠汞齐还原。

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δ-戊内酯海关

[ 海关编码 ]: 2932999099

[ 中文概述 ]:
2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

δ-戊内酯文献

Antimicrobial properties of Kalanchoe blossfeldiana: a focus on drug resistance with particular reference to quorum sensing-mediated bacterial biofilm formation.

J. Pharm. Pharmacol. 67 , 951-62, (2015)

This study attempts to investigate the antimicrobial properties of Kalanchoe blossfeldiana with a particular reference to quorum sensing (QS)-mediated biofilm formation.The methanol extract of K. blos...

Characterization of the PON1 active site using modeling simulation, in relation to PON1 lactonase activity

Bioorg. Med. Chem. 16 , 7504-9, (2008)

Paraoxonase1 (PON1) is a HDL bound enzyme and many of the anti-atherogenic properties of HDL are attributed to PON1. The enzyme precise mechanism of protective action and its endogenous substrate rema...

5- and 6-membered (thio)lactones are prodrug type carbonic anhydrase inhibitors.

Bioorg. Med. Chem. Lett. 22 , 267-70, (2012)

The inhibition of the zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1) with (thio)coumarins has been recently reported (Maresca et al., J. Am. Chem. Soc. 2009, 131, 3057). Here we demonstrate that a se...

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