The particle size of this product is not determined. However, historical data indicates a range of 6-9 microns.
96454
Zinc
powder, purum
Synonym(s):
Zn
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| Size/SKU | Availability | Price |
|---|---|---|
250 g | Available to ship TODAY | $67.40 |
1 kg | Available to ship TODAY | $120.00 |
About This Item
Linear Formula:
Zn
CAS Number:
Molecular Weight:
65.39
UNSPSC Code:
11101719
PubChem Substance ID:
NACRES:
NA.22
MDL number:
$67.40
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Product Name
Zinc, purum, powder
vapor pressure
1 mmHg ( 487 °C)
Quality Segment
grade
purum
form
powder
reaction suitability
core: zinc, reagent type: catalyst
resistivity
5.8 μΩ-cm, 20°C
bp
907 °C (lit.)
mp
420 °C (lit.)
density
7.133 g/mL at 25 °C (lit.)
SMILES string
[Zn]
InChI
1S/Zn
InChI key
HCHKCACWOHOZIP-UHFFFAOYSA-N
Application
Zinc powder is generally used as a reagent for the Clemmensen reduction of ketones.
It can also be used as a:
It can also be used as a:
- Reducing agent in the preparation of graphene from graphene oxide using ultrasonication method.
- Reducing agent in the oxidation of benzene to phenol by vanadium substituted heteropolyacid catalyst and oxygen oxidant.
- Reactant in the preparation of alkyl zinc reagents by direct insertion of zinc powder into unactivated alkyl bromides and chlorides.
- Catalyst in selective Fries rearrangement of acetylated phenols.
Other Notes
Reagent for the Clemmensen reduction of ketones and the Reformansky reaction
1 of 1
This Item | |||
|---|---|---|---|
| description purum, powder | description foil, 0.5m coil, thickness 1.0mm, as rolled, 99.95+% | description rod, length 100 mm, 7.62 mm diameter, purity 99.9% | description foil, 15mm disks, thickness 0.25mm, as rolled, 99.99+% |
| reaction suitability core: zinc, reagent type: catalyst | reaction suitability - | reaction suitability - | reaction suitability - |
| form powder | form foil | form rod | form foil |
| Quality Level 200 | Quality Level - | Quality Level - | Quality Level - |
| density 7.133 g/mL at 25 °C (lit.) | density 7.133 g/mL at 25 °C (lit.) | density 7.133 g/mL at 25 °C (lit.) | density 7.133 g/mL at 25 °C (lit.) |
| mp 420 °C (lit.) | mp 420 °C (lit.) | mp 420 °C (lit.) | mp 420 °C (lit.) |
| bp 907 °C (lit.) | bp 907 °C (lit.) | bp 907 °C (lit.) | bp 907 °C (lit.) |
Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1
Storage Class
11 - Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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What is the particle size of this Zn powder?
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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