1.07714

Selenium black 99+

for analysis EMSURE^®

• Synonym(s): Selenium black 99+
• Empirical Formula (Hill Notation): Se
• CAS Number: 7782-49-2
• Molecular Weight: 78.96
• MDL number: MFCD00134090
• UNSPSC Code: 12141910
• EC Index Number: 231-957-4
• NACRES: NA.21

Properties

• 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

Description

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

Safety Information

• pictograms: GHS06,GHS08
• signalword: Danger
• hcodes: H301 + H331 - H373 - H413
• pcodes: P260 - P264 - P273 - P301 + P310 - P304 + P340 + P311 - P314
• 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