Merck
All Photos(1)

1.07714

Supelco

Selenium black 99+

for analysis EMSURE®

All Photos(1)
Synonym(s):
Selenium black 99+
Empirical Formula (Hill Notation):
Se
CAS Number:
7782-49-2
Molecular Weight:
78.96
MDL number:
MFCD00134090
EC Index Number:
231-957-4

Recommended Products

Slide 1 of 10

1 of 10

Selenium powder, −100 mesh, 99.99% trace metals basis

Sigma-Aldrich

229865

Selenium

powder, −100 mesh, 99.99% trace metals basis

Selenium powder, −100 mesh, ≥99.5% trace metals basis

Sigma-Aldrich

209651

Selenium

powder, −100 mesh, ≥99.5% trace metals basis

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

Sigma-Aldrich

209643

Selenium

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

Selenium-77Se &#8805;99.2 atom % (77Se)

Sigma-Aldrich

900794

Selenium-77Se

≥99.2 atom % (77Se)

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

Sigma-Aldrich

204307

Selenium

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

Selenium standard solution traceable to SRM from NIST SeO&#8322; in HNO&#8323; 0.5 mol/l 1000 mg/l Se Certipur&#174;

Supelco

1.19796

Selenium standard solution

traceable to SRM from NIST SeO₂ in HNO₃ 0.5 mol/l 1000 mg/l Se Certipur®

Sulfur 99.998% trace metals basis

Sigma-Aldrich

213292

Sulfur

99.998% trace metals basis

Selenium ICP standard traceable to SRM from NIST SeO&#8322; in HNO&#8323; 2-3% 1000 mg/l Se Certipur&#174;

Supelco

1.70350

Selenium ICP standard

traceable to SRM from NIST SeO₂ in HNO₃ 2-3% 1000 mg/l Se Certipur®

Zinc chloride EMPROVE&#174; API Ph Eur,BP,USP

SAFC

1.08815

Zinc chloride

EMPROVE® API Ph Eur,BP,USP

Sulfur powder, 99.98% trace metals basis

Sigma-Aldrich

414980

Sulfur

powder, 99.98% trace metals basis

vapor pressure

<1 Pa ( 20 °C)

Quality Level

300

product line

EMSURE®

assay

≥99.0% (gravimetric)

form

solid

potency

6700 mg/kg LD50, oral (Rat)

impurities

≤0.005% Cu (Copper)
≤0.05% Fe (Iron)
≤0.05% Pb (Lead)

ign. residue

≤0.5%

bp

685 °C/1013 hPa

mp

217 °C

solubility

slightly soluble <0.021 mg/L

density

4.28 g/cm3 at 20 °C

bulk density

1270 kg/m3

storage temp.

no temp limit

InChI

1S/Se

InChI key

BUGBHKTXTAQXES-UHFFFAOYSA-N

Related Categories

Packaging

50, 50 , 250 g in Plastic bottle
1 kg in Plastic bottle

Analysis Note

Identity: passes test
Assay (gravimetrically): ≥ 99.0 %
Cu (Copper): ≤ 0.005 %
Fe (Iron): ≤ 0.05 %
Pb (Lead): ≤ 0.05 %
Residue on ignition: ≤ 0.5 %
Particle size (> 150 µm): ≤ 5 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H301 + H331 - H373 - H413

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

Certificate of Analysis

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

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service