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221716

Sigma-Aldrich

草酸铵 一水合物

ACS reagent, ≥99%

同義詞:

草酸 二铵盐

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About This Item

線性公式:
(NH4)2C2O4 · H2O
CAS號碼:
分子量::
142.11
Beilstein:
3759830
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NB.24

等級

ACS reagent

蒸汽壓力

<0.1 hPa ( 20 °C)

化驗

≥99%
99.0-101.0% (ACS specification)

形狀

crystalline powder
crystals or granules

雜質

≤0.005% insolubles

燃燒殘留物

≤0.02%

pH值

6-7 (25 °C, 14.2 g/L)

mp

133 °C (dec.) (lit.)

負離子痕跡

chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.002%

正離子痕跡

Fe: ≤2 ppm
heavy metals: ≤5 ppm (by ICP)

SMILES 字串

OC(C(O)=O)=O.N.O.N

InChI

1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2

InChI 密鑰

MSMNVXKYCPHLLN-UHFFFAOYSA-N

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一般說明

草酸铵一水合物是草酸的二铵盐。其精细晶体结构已通过三维衍射研究解析。研究描述了二价[Mn(II), Co(II), Ni(II)]和三价阳离子[Fe(III), Cr(III)]杂质对草酸铵一水合物晶体生长速率的影响。其空间群和晶胞参数已通过中子衍射研究解析。已比较草酸铵一水合物与(云芝提取物中)分离的煤助溶剂(CSA)的红外光谱(,证明为同一物质)。

應用

草酸铵一水合物可用于制备四甲基草酸铵。

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象形圖

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訊號詞

Warning

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Irrit. 2

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

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A convenient method for preparation of quaternary ammonium salts.
Markowitz M.
The Journal of Organic Chemistry, 22(8), 983-984 (1957)
Yeonho Kim et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 26(46), 10510-10518 (2020-03-27)
In this work, environmentally friendly photocatalysts with attractive catalytic properties are reported that have been prepared by introducing SnO2 quantum dots (QDs) directly onto ZnSe(N2 H4 )0.5 substrates to induce advantageous charge separation. The SnO2 /ZnSe(N2 H4 )0.5 nanocomposites could
Sina Matavos-Aramyan et al.
Free radical biology & medicine, 106, 158-167 (2017-02-19)
Three novel modified advanced oxidation process systems including ascorbic acid-, pro-oxidants- and ascorbic acid-pro-oxidants-modified Fenton system were utilized to study the disinfection efficiency on Cryptosporidium-contaminated drinking water samples. Different concentrations of divalent and trivalent iron ions, hydrogen peroxide, ascorbic acid
M S Cohen et al.
Applied and environmental microbiology, 56(11), 3285-3291 (1990-11-01)
Low-ranked coals were dissolved by using cell extracts derived from liquid cultures of Trametes versicolor. The coal-solubilizing agent (CSA) was separated from the broth components by a multistep isolation procedure including reverse-phase high-pressure liquid chromatography, size exclusion chromatography, ethanol fractionation
Neutron diffraction study of ammonium oxalate monohydrate,(NH4)2C2O4.H2O.
Padmanabhan VM, et al.
Acta Crystallographica, 18(3), 567-568 (1965)

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