Osmium tetroxide, 99.9+%, (trace metal basis)

Description

CAS: 20816-12-0 | O4Os | 254.23 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

For ultra trace analysis, Oxidation reagent

Specifications

Chemical Identifiers

• CAS: 20816-12-0
• Molecular Formula: O4Os
• Molecular Weight (g/mol): 254.23
• MDL Number: MFCD00011150
• InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N
• Synonym: osmium tetroxide, osmium tetraoxide, osmic acid, perosmic oxide, osmic acid anhydride, osmium viii oxide, oso4, perosmic acid anhydride, osmiumtetroxide, osmium oxide, t-4
• PubChem CID: 30318
• IUPAC Name: tetraoxoosmium
• SMILES: O=[Os](=O)(=O)=O

• Boiling Point: 130.0°C
• Melting Point: 40.0°C to 42.0°C
• Color: Colorless to Yellow
• Physical Form: Crystals
• Quantity: 100 mg
• Assay Percent Range: 99.9+%
• Linear Formula: OsO₄
• Fieser: 01,759; 02,301; 04,361; 05,141; 06,424; 10,290; 12,358; 13,186; 14,235; 15,240; 16,249; 17,236
• Merck Index: 15, 6990
• Solubility Information: Passes test
• Formula Weight: 254.2
• Percent Purity: ≥99.9%
• Grade: Trace Metal Basis
• Packaging: Ampoule
• Chemical Name or Material: Osmium tetroxide

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement Fatal in contact with skin. Causes severe skin burns and eye damage. Fatal if inhaled. Fatal if swallowed. May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Precautionary Statement	GHS P Statement Rinse mouth. Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Wear protective gloves/protective clothing/eye protection/f
EINECSNumber	244-058-7

SDS

RUO – Research Use Only