Osmium -Os

Osmic Acid Anhydride (Crystalline/Laboratory), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Osmic Acid Anhydride CAS: 20816-12-0 Purity Grade: Laboratory Physical Form: Solid Molecular Formula: O4Os Formula Weight: 254.23g/mol MDL Number: MFCD00011150 Synonym: Osmium Tetroxide

Osmium tetroxide, +99.9%, (trace metal basis), ACROS Organics™

Chemical Name or Material: Osmium tetroxide CAS: 20816-12-0 Purity Grade: (trace metal basis) Assay: 99.90% min. (OsO4) (based on metal purity) Assay Percent Range: 99.9+% Molecular Formula: O4Os Linear Formula: OsO4 Formula Weight: 254.20g/mol MDL Number: MFCD00011150 Synonym: Osmic acid

Osmium tetroxide, 2.5 wt.% solution in tert-Butanol, stabilized, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Osmium tetroxide CAS: 20816-12-0 CAS: 75-65-0 Molecular Formula: O4Os Linear Formula: OsO4 Formula Weight: 254.20g/mol MDL Number: MFCD00011150 Synonym: Osmic acid

Osmium 99.9%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Osmium CAS: 2023537 Purity Grade: For trace metal basis analysis Assay Percent Range: 99.90% Molecular Formula: Os Linear Formula: Os Formula Weight: 190.2g/mol MDL Number: MFCD00011147

Osmium tetroxide, 2.5 wt.% solution in tert-butanol, AcroSeal™, ACROS Organics™

Chemical Name or Material: Osmium tetroxide Name Note: 2.5 wt.% solution in tert-butanol CAS: 20816-12-0 CAS: 75-65-0 Molecular Formula: O4Os Linear Formula: OsO4 Formula Weight: 254.20g/mol MDL Number: MFCD00011150 Synonym: Osmic acid

Osmium(III) chloride hydrate, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Osmium(III) chloride hydrate CAS: 14996-60-2 Molecular Formula: Cl3Os·xH2O Linear Formula: OsCl3·xH2O Formula Weight: 296.56g/mol MDL Number: MFCD00149815

Osmium tetroxide, 4 wt.% solution in water, ACROS Organics™

Chemical Name or Material: Osmium tetroxide CAS: 20816-12-0 CAS: 7732-18-5 Molecular Formula: O4Os Linear Formula: OsO4 Formula Weight: 254.20g/mol MDL Number: MFCD00011150 Synonym: Osmic acid

Osmium(VIII) oxide, For Microscopy, EMD Millipore™

Chemical Name or Material: Osmium(VIII) oxide CAS: 20816-12-0 Molecular Formula: OsO4 Formula Weight: 254.19g/mol (molar mass) UN Number: UN 2471 Synonym: Osmic acid

Osmic acid Solution 2%, For Electron Microscopy, EMD Millipore™

Chemical Name or Material: Osmic acid solution CAS: 20816-12-0 UN Number: UN 3287

Osmium(VIII) oxide, 4% aq. solution, Alfa Aesar™

Chemical Name or Material: Osmium(VIII) oxide CAS: 20816-12-0 Physical Form: Liquid Molecular Formula: OsO4 Formula Weight: 254.1g/mol MDL Number: MFCD00011150

Osmium(IV) oxide, Os 83% min, Alfa Aesar™

Chemical Name or Material: Osmium(IV) oxide CAS: 12036-02-1 Physical Form: Black powder Molecular Formula: OsO2 Formula Weight: 222.2g/mol MDL Number: MFCD00011150

Osmium(VIII) oxide, 99.8% (Metals basis), Os 74.4% min., Alfa Aesar™

Chemical Name or Material: Osmium(VIII) oxide CAS: 20816-12-0 Physical Form: Crystalline Assay Percent Range: 99.8% (metals basis) Molecular Formula: OsO4 Formula Weight: 254.1g/mol MDL Number: MFCD00011150 Synonym: Osmic acid

Osmium powder, 99.95% (metals basis), Alfa Aesar™

Chemical Name or Material: Osmium powder CAS: 7440-04-2 Assay Percent Range: 99.95% (metals basis) MDL Number: MFCD00011147

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