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Merck
CN

41706

Supelco

草酸

analytical standard

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About This Item

线性分子式:
HO2CCO2H
CAS号:
分子量:
90.03
Beilstein:
385686
EC 号:
MDL编号:
UNSPSC代码:
12352106
NACRES:
NA.24

等级

analytical standard

质量水平

蒸汽密度

4.4 (vs air)

蒸汽压

<0.01 mmHg ( 20 °C)

检测方案

98.0-102.0% (redox titration)

保质期

limited shelf life, expiry date on the label

mp

189.5 °C (dec.) (lit.)

应用

cleaning products
cosmetics
food and beverages
personal care

格式

neat

SMILES字符串

OC(=O)C(O)=O

InChI

1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)

InChI key

MUBZPKHOEPUJKR-UHFFFAOYSA-N

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一般描述

这种物质被列入EU第10/2011号法规中用于与食品接触的塑料的正面清单。点击此处查找列入10/2011 化合物的所有参考物质

草酸是一种低分子量有机酸,天然存在于多种植物、水果、蔬菜、食品和饮料产品中。

应用

草酸可用作分析标准品,用于通过各种色谱技术测定果汁样品、蜂蜜、食品样品、水果、蔬菜、酒精和非酒精饮料以及化妆品配方中的分析物。

象形图

CorrosionExclamation mark

警示用语:

Danger

危险声明

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1

WGK

WGK 1


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分析证书(COA)

Lot/Batch Number

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Separation and determination of organic acids and phenolic compounds in fruit juices and drinks by high-performance liquid chromatography
Shui G and Leong LP
Journal of Chromatography A, 977(1), 89-96 (2002)
Gas chromatographic determination of oxalic acid in foods
Ohkawa H
Journal of the Association of Official Analytical Chemists, 68(1), 108-111 (1985)
Simultaneous detection of dehydroascorbic, ascorbic, and some organic acids in fruits and vegetables by HPLC
Nisperos-Carriedo MO, et al.
Journal of Agricultural and Food Chemistry, 40(7), 1127-1130 (1992)
HPLC organic acid analysis in different citrus juices under reversed phase conditions
Violeta N, et al.
Notulae Botanicae Horti Agrobotanici Cluj-Napoca , 38(1), 44-48 (2010)
Determination of oxalic acid in spinach with carbon nanotubes-modified electrode
Zheng Y, et al.
Food Chemistry, 114(4), 1523-1528 (2009)

实验方案

Separation of Fumaric acid; Oxalic acid; Citric acid

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