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265640

Sigma-Aldrich

Zinn

powder, <150 μm, 99.5% trace metals basis

Synonym(e):

Sn

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100 G
CHF 55.30
500 G
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About This Item

Empirische Formel (Hill-System):
Sn
CAS-Nummer:
7440-31-5
Molekulargewicht:
118.71
EG-Nummer:
231-141-8
MDL-Nummer:
MFCD00133862
UNSPSC-Code:
12161600
PubChem Substanz-ID:
24856094
NACRES:
NA.22

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Assay

99.5% trace metals basis

Form

powder

Eignung der Reaktion

core: tin
reagent type: catalyst

Widerstandsfähigkeit

11 μΩ-cm, 20°C

Partikelgröße

<150 μm

bp

2270 °C (lit.)

mp (Schmelzpunkt)

231.9 °C (lit.)

Dichte

7.310 g/mL at 25 °C (lit.)

SMILES String

[Sn]

InChI

1S/Sn

InChIKey

ATJFFYVFTNAWJD-UHFFFAOYSA-N

Verwandte Kategorien

Allgemeine Beschreibung

Tin is an efficient catalyst for the polycondensation of lactic acid to synthesize poly(lactic acid).[1]

Anwendung

With HCl, reduces a variety of functional groups; stereoselective allylation of carbonyl compounds; in situ generation of tin enolates for directed aldol reactions.

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
0000378205
0000378205
0000312805
0000234192
MKCR3308

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Sigma-Aldrich

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Supelco

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Improving lactic acid melt polycondensation: The role of co-catalyst
Marques DS, et al.
Journal of Applied Polymer Science, 128, 2145-2151 (2013)
P Olmedo et al.
Environment international, 59, 63-72 (2013-06-25)
Although fish intake has potential health benefits, the presence of metal contamination in seafood has raised public health concerns. In this study, levels of mercury, cadmium, lead, tin and arsenic have been determined in fresh, canned and frozen fish and
D B Shpakovsky et al.
Dalton transactions (Cambridge, England : 2003), 41(48), 14568-14582 (2012-10-12)
Four new organotin(IV) complexes of bis-(2,6-di-tert-butylphenol)tin(IV) dichloride [(tert-Bu-)(2)(HO-Ph)](2)SnCl(2) (1) with the heterocyclic thioamides 2-mercapto-pyrimidine (PMTH), 2-mercapto-4-methyl-pyrimidine (MPMTH), 2-mercapto-pyridine (PYTH) and 2-mercapto-benzothiazole (MBZTH), of formulae {[(tert-Bu-)(2)(HO-Ph)](2)Sn(PMT)(2)} (2), {[(tert-Bu-)(2)(HO-Ph)](2)Sn(MPMT)(2)} (3), {[(tert-Bu-)(2)(HO-Ph)](2)SnCl(PYT)} (4) and {[(tert-Bu-)(2)(HO-Ph)](2)SnCl(MBZT)} (5), have been synthesized and characterized by elemental
A Gassenq et al.
Optics express, 20(25), 27297-27303 (2012-12-25)
A surface-illuminated photoconductive detector based on Ge0.91Sn0.09 quantum wells with Ge barriers grown on a silicon substrate is demonstrated. Photodetection up to 2.2µm is achieved with a responsivity of 0.1 A/W for 5V bias. The spectral absorption characteristics are analyzed
Lun Li et al.
Journal of the American Chemical Society, 135(4), 1213-1216 (2013-01-15)
Single-layer single-crystalline SnSe nanosheet with four-atomic thickness of ~1.0 nm and lateral size of ~300 nm is presented here by using a one-pot synthetic method. It is found that 1,10-phenanthroline plays an important role in determining the morphology of the
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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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/449/386/product-dating-information-mk.pdf

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