Merck
CN

W237507

Sigma-Aldrich

丙二酸二乙酯

≥98%, FG

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别名:
胡萝卜酸二乙酯
线性分子式:
CH2(COOC2H5)2
CAS号:
分子量:
160.17
FEMA编号:
2375
Beilstein:
774687
EC 号:
欧洲委员会编号:
2106
MDL编号:
PubChem化学物质编号:
Flavis编号:
9.490

生物来源

synthetic

质量水平

等级

FG
Halal

Agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 117
FDA 21 CFR 172.515

蒸汽密度

5.52 (vs air)

蒸汽压

1 mmHg ( 40 °C)

检测方案

≥98%

折射率

n20/D 1.413 (lit.)

bp

199 °C (lit.)

mp

−51-−50 °C (lit.)

密度

1.055 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

文件

see Safety & Documentation for available documents

食品过敏原

no known allergens

性状检查

apple; green; fruity; sweet

SMILES string

CCOC(=O)CC(=O)OCC

InChI

1S/C7H12O4/c1-3-10-6(8)5-7(9)11-4-2/h3-5H2,1-2H3

InChI key

IYXGSMUGOJNHAZ-UHFFFAOYSA-N

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此商品
D977548.00898136441
Diethyl malonate ≥98%, FG

Sigma-Aldrich

W237507

丙二酸二乙酯

Diethyl malonate ReagentPlus®, 99%

Sigma-Aldrich

D97754

丙二酸二乙酯

Diethyl malonate for synthesis

Sigma-Aldrich

8.00898

Diethyl malonate

Dimethyl malonate 98%

Sigma-Aldrich

136441

丙二酸二甲酯

grade

FG, Halal

grade

-

grade

-

grade

-

agency

meets purity specifications of JECFA

agency

-

agency

-

agency

-

vapor density

5.52 (vs air)

vapor density

5.52 (vs air)

vapor density

-

vapor density

>1 (vs air)

assay

≥98%

assay

99%

assay

≥98.0% (GC)

assay

98%

refractive index

n20/D 1.413 (lit.)

refractive index

n20/D 1.413 (lit.)

refractive index

-

refractive index

n20/D 1.413 (lit.)

一般描述

丙二酸二乙酯是一种活性亚甲基化合物,可在食品工业中用作调味剂。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(°F)

199.4 °F - closed cup

闪点(°C)

93 °C - closed cup

个人防护装备

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Encyclopedia of Food and Color Additives, 1, 818-818 (1997)
Encyclopedia of Food and Color Additives, 1, 818-818 (1997)
Alessandro Marrone et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(43), 11537-11550 (2009-09-25)
The condensation of dialkyl beta-diesters with various aldehydes promoted by TiCl4 has been studied by DFT approaches and experimental methods, including NMR, IR and UV/Vis spectroscopy. Various possible reaction pathways have been investigated and their energy profiles evaluated to find
Renhua Fan et al.
The Journal of organic chemistry, 72(15), 5905-5907 (2007-06-26)
A highly efficient, one-flask tandem Knoevenagel-Michael addition reaction of sulfonimines with diethyl malonate in the presence of a catalytic amount of base affords the corresponding arylidene dimalonates in good to excellent yields.
Chunying Shu et al.
Journal of the American Chemical Society, 129(50), 15710-15717 (2007-11-22)
The first reactions of trimetallic nitride templated endohedral metallofullerenes (TNT EMFs) with carbon radicals generated from diethyl malonate catalyzed by manganese(III) acetate are reported. Two methano monoadducts, Sc3N@C80-A and Sc3N@C80-B, were isolated and characterized. Sc3N@C80-A contains two ester moieties, whereas

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