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Merck
CN

40390

Sigma-Aldrich

二甲基乙二肟

puriss. p.a., ACS reagent, for the detection of Ni, ≥99.0% (TLC)

别名:

2,3-丁二酮二肟, 丁二酮肟

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About This Item

线性分子式:
CH3C(=NOH)C(=NOH)CH3
CAS号:
分子量:
116.12
Beilstein:
506731
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent
puriss. p.a.

质量水平

检测方案

≥99.0% (TLC)

形式

solid

质量

for the detection of Ni

技术

UV/Vis spectroscopy: suitable

杂质

≤0.02% insoluble matter in ethanol

灼烧残渣

≤0.05% (as SO4)

mp

240-241 °C (lit.)

溶解性

water: soluble 0.1 g/10 mL, clear, colorless

痕量阳离子

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

SMILES字符串

CC(=N/O)\C(C)=N\O

InChI

1S/C4H8N2O2/c1-3(5-7)4(2)6-8/h7-8H,1-2H3/b5-3+,6-4+

InChI key

JGUQDUKBUKFFRO-GGWOSOGESA-N

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一般描述

二甲基乙二肟(DMG)是一种络合配体。 二甲基乙二肟可与带有诸如VO(IV)、Ni(II)、Zn(II)、Pd(II)、Cd(II)和Pb(II)等金属的N-乙酰基甘氨酸形成许多混合配体络合物。它是用于分光光度法测定Co(II)、Fe(II)、Ni(II)、Pd(II)和Re(VII)的有效试剂。

应用

二甲基乙二肟(DMG)被用作钴(II)和镍(II)金属的络合剂,可用于通过吸附溶出伏安法分析盐水中的痕量金属。 在一项研究中,DMG已被用于开发一种新型DMG,其包含改性溶胶-凝胶碳复合电极,从而用于重金属伏安传感测定中。

象形图

Flame

警示用语:

Warning

危险声明

危险分类

Flam. Sol. 2

WGK

WGK 3

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Application of adsorptive stripping voltammetry (AdSV) for the analysis of trace metals in brine.
Romanus A, et al.
Fresenius Journal of Analytical Chemistry, 340(6), 363-370 (1991)
Dimethylglyoxime doped sol-gel carbon composite voltammetric sensor for trace nickel.
Wang J, et al.
Electroanalysis, 9(9), 689-692 (1997)
Preparation and Spectral Properties of Mixed-Ligand Complexes of VO (IV), Ni (II), Zn (II), Pd (II), Cd (II) and Pb (II) with Dimethylglyoxime and N-Acetylglycine.
Shaker SA
Journal of Chemistry, 7(S1), S580-S586 (2010)
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Contact dermatitis, 60(2), 100-105 (2009-02-12)
Cutaneous nickel allergy in the very young is not well documented or characterized. A significant number of individuals are nickel sensitized by their mid-teenage years. Recent studies suggest that children may become sensitized to nickel at an early age. The
Carsten R Hamann et al.
Contact dermatitis, 62(4), 232-240 (2010-03-20)
China and Thailand produce large amounts of jewellery that are sold domestically and abroad. To identify nickel release and metal content in earrings purchased in China and Thailand. A total of 557 earrings were randomly purchased from vendors in 11

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