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209643

Sigma-Aldrich

Selenium

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

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About This Item

Empirical Formula (Hill Notation):
Se
CAS Number:
Molecular Weight:
78.96
EC Number:
MDL number:
UNSPSC Code:
12141910
PubChem Substance ID:
NACRES:
NA.23

description

gray

Assay

≥99.99% trace metals basis

form

pellets

resistivity

1.2 μΩ-cm, 0°C

particle size

<5 mm

bp

684.9 °C (lit.)

mp

217 °C (lit.)

density

4.81 g/mL at 25 °C (lit.)

SMILES string

[Se]

InChI

1S/Se

InChI key

BUGBHKTXTAQXES-UHFFFAOYSA-N

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Pictograms

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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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

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