CHROMIUM(VI) OXIDE FOR ANALYSIS

Analysis Note

Assay (iodometric): ≥ 99.0 %
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.005 %
Fe (Iron): ≤ 0.01 %
K (Potassium): ≤ 0.005 %
Na (Sodium): ≤ 0.2 %
Substances precipitated by ammonia: ≤ 0.02 %
Loss on Drying (105 °C): ≤ 1.0 %

Legal Information

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

Molecular Weight: 99.99. Empirical Formula: CrO₃. Quality Level: 300. product line: EMSURE^®. . Assay: ≥. 99.0% (iodometric). form: solid. impurities: ≤. 0.02% Substances precipitated by ammonia. loss: ≤. 1.0% loss on drying, 105°C. pH: <. 1 (20 . °C, 100 . g/L in H₂O). mp: 197 . °C. density: 2.7 . g/cm³ . at 20 . °C. bulk density: 900 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.005%, sulfate (SO₄^2-): ≤. 0.02%. cation traces: Fe: ≤. 0.01%, K: ≤. 0.005%, N: ≤. 0.005%, Na: ≤. 0.2%. storage temp.: 2-30°C. InChI: 1S/Cr.3O. InChI key: WGLPBDUCMAPZCE-UHFFFAOYSA-N. Pictograms: GHS03,GHS05,GHS06,GHS08,GHS09. Signal Word: Danger. Hazard Statements: H271 - H301 + H311 - H314 - H317 - H330 - H334 - H335 - H340 - H350 - H361f - H372 - H410. Precautionary Statements: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338. Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Muta. 1B - Ox. Sol. 1 - Repr. 2 - Resp. Sens. 1 - Skin Corr. 1A - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3. Target Organs: Respiratory system. Storage Class Code: 5.1A - Strongly oxidizing hazardous materials. WGK: WGK 3.