产品名称
锌, granular, 20-30 mesh, ACS reagent, ≥99.8%
InChI key
HCHKCACWOHOZIP-UHFFFAOYSA-N
InChI
1S/Zn
SMILES string
[Zn]
grade
ACS reagent
vapor pressure
1 mmHg ( 487 °C)
assay
≥99.8%
form
granular
reaction suitability
core: zinc
reagent type: catalyst
resistivity
5.8 μΩ-cm, 20°C
particle size
20-30 mesh
bp
907 °C (lit.)
mp
420 °C (lit.)
density
7.133 g/mL at 25 °C (lit.)
cation traces
Fe: ≤0.01%
Pb: ≤0.01%
suitability
passes application test for determination of arsenic (As)
Quality Level
Application
锌粒可用于制备:
- 有机锌试剂,常用于Negishi或Fukuyama偶联
- Reformatsky试剂
- Simmons-Smith试剂
General description
锌粒是纯金属锌,呈颗粒状,高表面积增加了反应活性。它们可以作为还原剂、催化剂或各种化学反应的前体。锌粒常用于合成有机金属化合物。它可与有机卤化物反应,形成烷基或芳基锌化合物,这些化合物可在碳-碳键形成中作为强大的亲核试剂。这种反应被称为巴比耶反应,能够将不同的官能团引入有机分子中。锌粒在合成药品和精细化学品方面也有应用。它们可以用于将硝基、腈基或叠氮基等官能团还原为相应的胺类。此外,锌粒还参与其他碳-碳键形成反应,如Reformatsky反应和Simmons-Smith反应。
signalword
Warning
hcodes
pcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1
存储类别
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
监管及禁止进口产品
此项目有
Reagents for Organic Synthesis
L. F. Fieser and M. Fieser
Reagents for Organic Synthesis, 1 (1967)
Advanced Organic Chemistry: Reactions, Mechanisms, and Structure
March, J
Advanced Organic Chemistry (2007)
Use of activation methods for organozinc reagents.
Erdik E
Tetrahedron, 43(10), 2203-2212 (1987)
A Convenient Procedure for the Preparation of Reactive Zinc for the Reformatsky Reaction.
Bouhel E
Synthetic Communications, 21(1), 133-136 (1991)
A scalable zinc activation procedure using dibal-h in a reformatsky reaction.
Girgis M J
Organic Process Research & Development, 13(6), 1094-1099 (2009)
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