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697745

Sigma-Aldrich

钴

Carbon coated magnetic, nanopowder, <50 nm particle size (TEM), ≥99%

别名:

碳包覆钴纳米粒子, 磁性钴, 钴-59, 钴元素

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About This Item

经验公式（希尔记法）:
Co
CAS号:
7440-48-4
分子量:
58.93
MDL编号:
MFCD00010935
UNSPSC代码:
12352302
PubChem化学物质编号:
329761949
NACRES:
NA.23

物料

carbon

质量水平

100

方案

≥99%

表单

nanopowder

组成

Carbon content, <8 wt. %

磁化

>150 emu/g, Mass saturation

电阻率

6.24 μΩ-cm, 20°C

表面积

>15 m2/g

粒径

<50 nm (TEM)

沸点

2900 °C (lit.)

密度

8.9 g/mL at 25 °C (lit.)

应用

battery manufacturing

SMILES字符串

[Co]

InChI

1S/Co

InChI key

GUTLYIVDDKVIGB-UHFFFAOYSA-N

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相关类别

应用

单分散磁性纳米颗粒的化学合成
空气和热稳定的磁性碳包覆钴纳米颗粒（纳米磁铁）。 碳壳由大约三个石墨层组成，可通过重氮化反应等进行化学功能化。

警示用语：

Danger

危险分类

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1 - STOT RE 2

储存分类代码

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCV3325
MKCT6074
MKCR9671
MKCN2148
MKCL5254

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Luechinger, N.A.; Booth, N.; Heness, G.; Bandyopadhyay, S.; Grass, R.N.; Stark W.J.
Advanced Materials, 20, 3044-3044 (2008)
Chun Ghee Tan et al.
Chemical communications (Cambridge, England), (36), 4297-4299 (2008-09-20)
To develop magnetic nanomaterials applicable to organic synthesis, the Suzuki cross-coupling method was adapted to attach a range of functional groups to carbon-coated core-shell materials via commercially-available substituted arylboronic acids.
Covalently functionalized cobalt nanoparticles as a platform for magnetic separations in organic synthesis.
Robert N Grass et al.
Angewandte Chemie (International ed. in English), 46(26), 4909-4912 (2007-05-23)
Alexander Schätz et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 14(27), 8262-8266 (2008-07-31)
TEMPO was grafted on graphene-coated nanobeads with a magnetic cobalt core by using a general applicable "click"-chemistry protocol. The new heterogeneous CoNP-TEMPO emerged as a highly active catalyst for the chemoselective oxidation of primary and secondary alcohols using bleach as
Pushya A Potnis et al.
Cellular immunology, 282(1), 53-65 (2013-05-18)
Metal orthopedic implant debris-induced osteolysis of hip bone is a major problem in patients with prosthetic-hips. Although macrophages are the principal targets for implant-wear debris, the receptor(s) and mechanisms underlying these responses are not fully elucidated. We examined whether the
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