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Merck
CN

71800

Sigma-Aldrich

乙二酸钠

puriss. p.a., ACS reagent, ≥99.5% (RT)

别名:

乙二酸 钠盐, 草酸 二钠盐

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About This Item

线性分子式:
NaOOCCOONa
CAS号:
分子量:
134.00
Beilstein:
3631622
EC 号:
MDL编号:
UNSPSC代码:
12352300
eCl@ss:
39021701
PubChem化学物质编号:
NACRES:
NB.24

等级

ACS reagent
puriss. p.a.

质量水平

检测方案

≥99.5% (RT)

形式

powder or crystals

杂质

≤0.002% ammonium (NH4)

缺失

≤0.01% loss on drying, 105 °C

pH值(酸碱度)

7-8.5 (25 °C, 2.5% in H2O)

痕量阴离子

chloride (Cl-): ≤20 mg/kg
sulfate (SO42-): ≤20 mg/kg

痕量阳离子

Ca: ≤100 mg/kg
Cd: ≤10 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤10 mg/kg
Mn: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES字符串

[Na+].[Na+].[O-]C(=O)C([O-])=O

InChI

1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2

InChI key

ZNCPFRVNHGOPAG-UHFFFAOYSA-L

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一般描述

草酸钠是草酸的钠盐,由钠离子和草酸离子组成。在化学合成中用作还原剂。此外,它还可以作为表面改性剂和脱硫剂。

应用

草酸钠可作为稳定剂用于通过紫外分光光度法测定维生素 C 产品中的 L-抗坏血酸。它还用于通过以铜板为阳极的电解合成草酸铜纳米颗粒。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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