LEAD(II) OXIDE FOR ANALYSIS 250 G

Analysis Note

Assay (complexometric): ≥ 99.0 %
Substances insoluble in dilute acetic acid: ≤ 0.05 %
Chloride (Cl): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Ag (Silver): ≤ 0.002 %
Bi (Bismuth): ≤ 0.02 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.002 %
Loss on ignition (850 °C): ≤ 0.2 %
Substances not precipitated by hydrogen sulfide (as SO₄): ≤ 0.3 %

Legal Information

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

Molecular Weight: 223.20. Empirical Formula: OPb. Quality Level: 300. product line: EMSURE^®. . Assay: ≥. 99.0% (complexometric). form: solid. impurities: ≤. 0.05% Substances insoluble in dilute acetic acid, ≤. 0.3% Substances not precipitated by hydrogen sulfide (as SO4). loss: ≤. 0.2% loss on ignition, 850 °C. pH: 8-9 (20 . °C, 100 . g/L in H₂O, slurry). mp: 888 . °C. solubility: 0.072 . g/L. density: 9.53 . g/cm³ . at 20 . °C. bulk density: 3500‑. 3700 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.005%. cation traces: Ag: ≤. 0.002%, Bi: ≤. 0.02%, Cu: ≤. 0.001%, Fe: ≤. 0.002%, N: ≤. 0.001%. storage temp.: 2-30°C. InChI: 1S/O.Pb. InChI key: YEXPOXQUZXUXJW-UHFFFAOYSA-N. Pictograms: GHS07,GHS08,GHS09. Signal Word: Danger. Hazard Statements: H302 + H332 - H351 - H360D - H362 - H372 - H410. Precautionary Statements: P260 - P263 - P273 - P301 + P312 - P304 + P340 + P312 - P308 + P313. Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Lact. - Repr. 1A - STOT RE 1. Storage Class Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable.