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.pdf
243469
Zinc
ACS reagent grade, ≥99.8%, granular, 20-30 mesh
Synonyma:
Zn
Vybrat velikost
| Vám/Skladová položka | Dostupnost | Cena |
|---|---|---|
100 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 420,00 Kč |
500 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 280,00 Kč |
2 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 11 100,00 Kč |
O této položce
1 420,00 Kč
Název produktu
Zinc, granular, 20-40 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
20-40 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
Application
- organozinc reagents commonly used in Negishi or Fukuyama couplings
- Reformatsky reagents
- Simmons-Smith reagents
1 of 1
Tato položka | |||
|---|---|---|---|
| description granular, 20-40 mesh, ACS reagent, ≥99.8% | description dust, <10 μm, ≥98% | description granular, 30-100 mesh, 99% | description puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.9%, granular |
| assay ≥99.8% | assay ≥98% | assay 99% | assay ≥99.9% |
| reaction suitability core: zinc, reagent type: catalyst | reaction suitability core: zinc, reagent type: catalyst | reaction suitability core: zinc, reagent type: catalyst | reaction suitability core: zinc, reagent type: catalyst |
| form granular | form dust | form granular | form granular |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| bp 907 °C (lit.) | bp 907 °C (lit.) | bp 907 °C (lit.) | bp 907 °C (lit.) |
| cation traces Fe: ≤0.01%, Pb: ≤0.01% | cation traces - | cation traces - | cation traces As: ≤0.1 mg/kg, Cd: ≤5 mg/kg, Cu: ≤10 mg/kg, Fe: ≤20 mg/kg, Pb: ≤50 mg/kg, Sn: ≤10 mg/kg |
signalword
Warning
hcodes
pcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1
Skladovací třída
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Seznamy omezení vyplývajících z předpisů
Seznamy omezení vyplývajících z předpisů jsou poskytovány zejména pro chemické produkty. Pro jiné než chemické produkty lze poskytovat pouze omezené informace. Žádný záznam znamená, že v seznamech není obsažena žádná ze součástí. Povinností uživatele je zajistit bezpečné a zákonné použití produktu.
7440-66-6
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How can I determine the shelf life / expiration / retest date of this product?
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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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