1.00403

Molybdenum(VI) oxide

for analysis EMSURE^®

• Synonym(s): Molybdenum(VI) oxide, Molybdenum trioxide, Molybdic acid anhydrous, Molybdic anhydride
• Empirical Formula (Hill Notation): MoO₃
• CAS Number: 1313-27-5
• Molecular Weight: 143.94
• MDL number: MFCD00003469
• UNSPSC Code: 12352303
• EC Index Number: 215-204-7
• NACRES: NA.21

Properties

• Quality Level: 300
• product line: EMSURE^®
• Assay: ≥99.5% (precipitation titration)
• form: solid
• potency: 2689 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rat)
• mp: 795 °C
• solubility: 0.49 g/L
• density: 4.70 g/cm³ at 26 °C
• bulk density: 1200 kg/m³
• anion traces: chloride (Cl^-): ≤0.002%; phosphate, silicate, arsenate (as PO₄^3-): ≤0.0005%; sulfate (SO₄^2-): ≤0.005%
• cation traces: Fe: ≤0.0005%; NH₄⁺: ≤0.005%; Pb: ≤0.001%
• storage temp.: 2-30°C
• InChI: 1S/Mo.3O
• InChI key: JKQOBWVOAYFWKG-UHFFFAOYSA-N

Description

Analysis Note

Assay (precipitative titration): ≥ 99.5 %
Chloride (Cl): ≤ 0.002 %
Phosphate, Arsenate, Silicate (as PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %

Legal Information

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

Safety Information

• Pictograms: GHS07,GHS08
• Signal Word: Warning
• Hazard Statements: H319 - H335 - H351
• Precautionary Statements: P201 - P202 - P261 - P264 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Carc. 2 - Eye Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable