Merck
CN

221716

Sigma-Aldrich

草酸铵 一水合物

ACS reagent, ≥99%

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别名:
草酸 二铵盐
线性分子式:
(NH4)2C2O4 · H2O
CAS号:
分子量:
142.11
Beilstein:
3759830
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NB.24

等级

ACS reagent

质量水平

蒸汽压

<0.1 hPa ( 20 °C)

检测方案

≥99%
99.0-101.0% (ACS specification)

形式

crystalline powder
crystals or granules

杂质

≤0.005% insolubles

灼烧残渣

≤0.02%

pH值(酸碱度)

6-7 (25 °C, 14.2 g/L)

mp

133 °C (dec.) (lit.)

痕量阴离子

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

痕量阳离子

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

SMILES string

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 key

MSMNVXKYCPHLLN-UHFFFAOYSA-N

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此商品
323043797431.01192
Ammonium oxalate monohydrate ACS reagent, &#8805;99%

Sigma-Aldrich

221716

草酸铵 一水合物

Essential Grade
Ammonium oxalate monohydrate puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-101.0%

Sigma-Aldrich

32304

草酸铵 一水合物

Essential Grade
Ammonium oxalate monohydrate &#8805;99.99% trace metals basis

Sigma-Aldrich

379743

草酸铵 一水合物

-
di-Ammonium oxalate monohydrate for analysis EMSURE&#174; ACS,ISO,Reag. Ph Eur

Supelco

1.01192

di-Ammonium oxalate monohydrate

-
vapor pressure

<0.1 hPa ( 20 °C)

vapor pressure

<0.1 hPa ( 20 °C)

vapor pressure

-

vapor pressure

<1 hPa ( 20 °C)

assay

≥99%, 99.0-101.0% (ACS specification)

assay

99.5-101.0%

assay

≥99.99% trace metals basis

assay

99.5-101.0% (manganometric)

form

crystalline powder, crystals or granules

form

crystalline

form

powder

form

solid

impurities

≤0.005% insolubles

impurities

≤0.005% in water insoluble matters

impurities

≤100.0 ppm Trace Metal Analysis

impurities

≤0.005% Insoluble matter

pH

6-7 (25 °C, 14.2 g/L)

pH

6-7 (20 °C, 2.5%)

pH

-

pH

6.5 (20 °C, 41.8 g/L in H2O)

一般描述

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)。

应用

草酸铵一水合物可用于制备四甲基草酸铵。

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说明
价格

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Acute Tox. 4 Oral - Eye Irrit. 2

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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