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209643

Sigma-Aldrich

Selenium

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

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

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

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Selenium

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

Sigma-Aldrich

209651

Selenium

Selenium powder, 250 max. part. size (micron), weight 50&#160;g, purity 99.95%

GF59784575

Selenium

Selenium foil, 25x25mm, thickness 3mm, 99.95%

GF66395212

Selenium

assay

≥99.99% trace metals basis

assay

≥99.5% trace metals basis

assay

99.95%

assay

99.95%

form

pellets

form

powder

form

powder

form

foil

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.)

mp

217 °C (lit.)

mp

217 °C (lit.)

mp

217 °C (lit.)

mp

217 °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

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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