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Merck

194131

Sigma-Aldrich

草酸

98%

别名:

Ethanedioic acid

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About This Item

线性分子式:
HO2CCO2H
CAS号:
分子量:
90.03
Beilstein:
385686
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

蒸汽密度

4.4 (vs air)

蒸汽壓力

<0.01 mmHg ( 20 °C)

化驗

98%

形狀

powder or crystals

pH值

(1.3 at 9 g/l)

mp

189.5 °C (dec.) (lit.)

溶解度

water: soluble 108 g/L at 25 °C

密度

1.65 g/cm3 at 18.5 °C

官能基

carboxylic acid

SMILES 字串

OC(=O)C(O)=O

InChI

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

InChI 密鑰

MUBZPKHOEPUJKR-UHFFFAOYSA-N

基因資訊

human ... SRC(6714)

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一般說明

草酸是一种二羧酸,可用于脱水、清除、保护、脱保护、缩合和脱羧反应。

草酸是一些活性药物成分中的潜在杂质

應用

草酸被用于离子排斥色谱法中测定疏水性药物基质中的草氨酸、草酸和酰胺。它也被用于通过聚苯乙烯球模板法合成三维有序大孔金属氧化物或碳酸盐。在电化学合成聚苯胺-聚吡咯复合涂层过程中,它被用作支撑电解质

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

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

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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General synthesis of periodic macroporous solids by templated salt precipitation and chemical conversion.
Yan H, et al.
Chemistry of Materials, 12(4), 1134-1141 (2000)
Characterization of polyaniline-polypyrrole composite coatings on low carbon steel: a XPS and infrared spectroscopy study.
Rajagopalan R and Iroh JO.
Applied Surface Science, 218(1), 58-69 (2003)
L Yang et al.
Journal of pharmaceutical and biomedical analysis, 22(3), 487-493 (2000-04-15)
Oxalic acid, oxamic acid and oxamide are potential impurities in some active pharmaceutical ingredients (API). The retention and separation of oxalic and oxamic acids are particularly challenging using conventional reversed-phase HPLC due to their high polarity. An ion-exclusion chromatography (IEC)
Xianlai Zeng et al.
Journal of hazardous materials, 295, 112-118 (2015-04-22)
With the booming of consumer electronics (CE) and electric vehicle (EV), a large number of spent lithium-ion battery (LIBs) have been generated worldwide. Resource depletion and environmental concern driven from the sustainable industry of CE and EV have motivated spent
R de Water et al.
American journal of kidney diseases : the official journal of the National Kidney Foundation, 33(4), 761-771 (1999-04-09)
Urinary calcium oxalate (CaOx) crystals and crystal agglomerates are normally harmlessly excreted, but in nephrolithiasis they are retained by tubular epithelial cells and shifted into the renal interstitium. This crystalline material induces an inflammatory response consisting of an increase in

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In many technologies, performance requirements drive device dimensions below the scale of electron mean free paths (λe). This trend has increased scientific interest and technological importance of electrical resistivities at the nanoscale.

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