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Fórmula lineal:
Zn
Número CAS:
Peso molecular:
65.39
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
11101719
EC Number:
231-175-3
MDL number:
Servicio técnico
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Permítanos ayudarleNombre del producto
Cinc, granular, 20-30 mesh, ACS reagent, ≥99.8%
grade
ACS reagent
Quality Segment
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)
SMILES string
[Zn]
InChI
1S/Zn
InChI key
HCHKCACWOHOZIP-UHFFFAOYSA-N
General description
Zinc granules are pure metallic zinc in a granular form, they provide a high surface area for increased reactivity. They serve as a reducing agent, catalyst, or precursor for various chemical reactions. Zinc granules are commonly used for synthesis of organometallic compounds. It reacts with organic halides to form alkyl or aryl zinc compounds, which serve as powerful nucleophiles in carbon-carbon bond formations. This reaction, known as the Barbier reaction, enables the introduction of diverse functional groups into organic molecules.Zinc granules also find application in the synthesis of pharmaceuticals and fine chemicals. They can be employed in the reduction of functional groups like nitro, nitrile, or azide to their corresponding amines. Additionally, zinc granules are involved in other carbon-carbon bond forming reactions, such as the Reformatsky reaction and the Simmons-Smith reaction.
Application
Zinc granules can be used to prepare:
- organozinc reagents commonly used in Negishi or Fukuyama couplings
- Reformatsky reagents
- Simmons-Smith reagents
signalword
Warning
hcodes
pcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.
Reagents for Organic Synthesis
L. F. Fieser and M. Fieser
Reagents for Organic Synthesis, 1 (1967)
A scalable zinc activation procedure using dibal-h in a reformatsky reaction.
Girgis M J
Organic Process Research & Development, 13(6), 1094-1099 (2009)
Advanced Organic Chemistry: Reactions, Mechanisms, and Structure
March, J
Advanced Organic Chemistry (2007)
