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209643

Sigma-Aldrich

Selenium

pellets, <5 mm, ≥99.99% trace metals basis

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50 G
CHF 187.00
250 G
CHF 385.00

CHF 187.00


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Cambia visualizzazione
50 G
CHF 187.00
250 G
CHF 385.00

About This Item

Formula empirica (notazione di Hill):
Se
Numero CAS:
Peso molecolare:
78.96
Numero CE:
Numero MDL:
Codice UNSPSC:
12141910
ID PubChem:
NACRES:
NA.23

CHF 187.00


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Descrizione

gray

Saggio

≥99.99% trace metals basis

Stato

pellets

Resistività

1.2 μΩ-cm, 0°C

Dimensione particelle

<5 mm

P. ebollizione

684.9 °C (lit.)

Punto di fusione

217 °C (lit.)

Densità

4.81 g/mL at 25 °C (lit.)

Stringa SMILE

[Se]

InChI

1S/Se
BUGBHKTXTAQXES-UHFFFAOYSA-N

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Pittogrammi

Skull and crossbonesHealth hazard

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

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

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

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


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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
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
Mark Denham et al.
Stem cells (Dayton, Ohio), 33(6), 1759-1770 (2015-03-11)
The caudal neural plate is a distinct region of the embryo that gives rise to major progenitor lineages of the developing central and peripheral nervous system, including neural crest and floor plate cells. We show that dual inhibition of the
Verónica Uribe et al.
Development (Cambridge, England), 141(21), 4168-4181 (2014-10-23)
Arid3b, a member of the conserved ARID family of transcription factors, is essential for mouse embryonic development but its precise roles are poorly understood. Here, we show that Arid3b is expressed in the myocardium of the tubular heart and in

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