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209643

Sigma-Aldrich

Selenium

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

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50 G
$112.00
250 G
$439.00

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

$112.00


In StockDetails


Request a Bulk Order

description

gray

Quality Level

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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This Item
204307209651229865
Selenium pellets, &lt;5&#160;mm, &#8805;99.99% trace metals basis

209643

Selenium

Selenium pellets, &lt;5&#160;mm particle size, &#8805;99.999% trace metals basis

204307

Selenium

Selenium powder, &#8722;100&#160;mesh, &#8805;99.5% trace metals basis

209651

Selenium

Selenium powder, &#8722;100&#160;mesh, 99.99% trace metals basis

229865

Selenium

assay

≥99.99% trace metals basis

assay

≥99.999% trace metals basis

assay

≥99.5% trace metals basis

assay

99.99% trace metals basis

form

pellets

form

pellets

form

powder

form

powder

mp

217 °C (lit.)

mp

217 °C (lit.)

mp

217 °C (lit.)

mp

217 °C (lit.)

resistivity

1.2 μΩ-cm, 0°C

resistivity

1.2 μΩ-cm, 0°C

resistivity

1.2 μΩ-cm, 0°C

resistivity

1.2 μΩ-cm, 0°C

bp

684.9 °C (lit.)

bp

684.9 °C (lit.)

bp

684.9 °C (lit.)

bp

684.9 °C (lit.)

density

4.81 g/mL at 25 °C (lit.)

density

4.81 g/mL at 25 °C (lit.)

density

4.81 g/mL at 25 °C (lit.)

density

4.81 g/mL at 25 °C (lit.)

pictograms

Skull and crossbonesHealth hazard

signalword

Danger

Hazard Classifications

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

Storage Class

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

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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


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