Direkt zum Inhalt
Merck

204307

Sigma-Aldrich

Selen

pellets, <5 mm particle size, ≥99.999% trace metals basis

Anmeldenzur Ansicht organisationsspezifischer und vertraglich vereinbarter Preise


About This Item

Empirische Formel (Hill-System):
Se
CAS-Nummer:
Molekulargewicht:
78.96
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12141910
PubChem Substanz-ID:
NACRES:
NA.23

Beschreibung

gray

Qualitätsniveau

Assay

≥99.999% trace metals basis

Form

pellets

Widerstandsfähigkeit

1.2 μΩ-cm, 0°C

Partikelgröße

<5 mm

bp

684.9 °C (lit.)

mp (Schmelzpunkt)

217 °C (lit.)

Dichte

4.81 g/mL at 25 °C (lit.)

SMILES String

[Se]

InChI

1S/Se

InChIKey

BUGBHKTXTAQXES-UHFFFAOYSA-N

Suchen Sie nach ähnlichen Produkten? Aufrufen Leitfaden zum Produktvergleich

Allgemeine Beschreibung

Selenium is a non-metallic p-type semiconductor and is commercially produced as a by-product in refining sulfide-bearing copper minerals. It has good photovoltaic and photoconductive properties and is extensively used in the electronics such as solar cells, light meters, and, photocells. It also finds application in the field of ceramics, pigments, metallurgy, agriculture, glasses, and lubricants.

Anwendung

Selenium has been used as a starting material tosynthesize selenium nanoparticles.

Piktogramme

Skull and crossbonesHealth hazard

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 4 - STOT RE 2

Lagerklassenschlüssel

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number

Die passende Version wird nicht angezeigt?

Wenn Sie eine bestimmte Version benötigen, können Sie anhand der Lot- oder Chargennummer nach einem spezifischen Zertifikat suchen.

Besitzen Sie dieses Produkt bereits?

In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Kunden haben sich ebenfalls angesehen

Waleed Alhazzani et al.
Critical care medicine, 41(6), 1555-1564 (2013-04-17)
Patients with sepsis syndrome commonly have low serum selenium levels. Several randomized controlled trials have examined the efficacy of selenium supplementation on mortality in patients with sepsis. To determine the efficacy and safety of high-dose selenium supplementation compared to placebo
Claire M Weekley et al.
Nutrients, 5(5), 1734-1756 (2013-05-24)
Determining the speciation of selenium in vivo is crucial to understanding the biological activity of this essential element, which is a popular dietary supplement due to its anti-cancer properties. Hyphenated techniques that combine separation and detection methods are traditionally and
Daniel D Karp et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 31(33), 4179-4187 (2013-09-05)
Selenium has been reported to have chemopreventive benefits in lung cancer. We conducted a double-blind, placebo-controlled trial to evaluate the incidence of second primary tumors (SPTs) in patients with resected non-small-cell lung cancer (NSCLC) receiving selenium supplementation. Patients with completely
Kai-Oliver Feldmann et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(27), 9697-9712 (2015-05-12)
Although a fairly large number of binary group 15/16 element cations have been reported, no example involving phosphorus in combination with a group 16 element has been synthesized and characterized to date. In this contribution is reported the synthesis and structural characterization
Matthew Loxham et al.
Toxicological sciences : an official journal of the Society of Toxicology, 145(1), 98-107 (2015-02-13)
We have previously shown that underground railway particulate matter (PM) is rich in iron and other transition metals across coarse (PM10-2.5), fine (PM2.5), and quasi-ultrafine (PM0.18) fractions and is able to generate reactive oxygen species (ROS). However, there is little

Unser Team von Wissenschaftlern verfügt über Erfahrung in allen Forschungsbereichen einschließlich Life Science, Materialwissenschaften, chemischer Synthese, Chromatographie, Analytik und vielen mehr..

Setzen Sie sich mit dem technischen Dienst in Verbindung.