Osmium Tetroxide

Osmium Tetroxide, Crystalline, Highest Purity, 99.95%
(Osmic Acid Anhydride)
OsO4   F.W. 254.20   CAS #20816-12-0
Melting Range : 39.5-41.0°C
Boiling Point : 129.7°C
Vapor Pressure @25°C: 9.8 mmHg
Solubility: 5.07% in Cold Water; 6.5% in Hot Water; 25.0% in CCl4
Non-Volatile matter: <0.02%

Small size (2 ml), Light-gauge, pre-scored amber glass ampoules. Ampoules containing OsO4 Crystal, are pre-cleaned and heat sealed in plastic bags to assure a contaminant-free solution. Ampoules are also free of pressure-sensitive labels and, therefore, do not require cleaning prior to solution preparation.

Osmium is a highly toxic, volitile solid, crystalised compound.  It is colourless but almost appears yellow. 

Aqueous Solutions are sealed under dry nitrogen with exact concentrations and volume in pre-scored amber-ampoules.

Applications:

It has many uses with most common being a post-fixative in EM. 

Code Title Option 1 Option 2 Option 3 Availability Price
EMS80074-OS Osmium single standard (DG) Each leadtime:4-6 weeks AU $572.00
C010 Osmium Tetroxide, 1g and under 1g ampoule Each In Stock AU $73.00
C010-02510 Osmium Tetroxide, 1g and under 0.25g ampoule Pack/10 2 weeks AU $224.00
C010-05 Osmium Tetroxide, 1g and under 0.5g ampoule Each 2 weeks AU $65.00
C010-0510 Osmium Tetroxide, 1g and under 0.5g ampoule Pack/10 2 weeks AU $421.00
C010-0550 Osmium Tetroxide, 1g and under 0.5g ampoule Pack/50 2 weeks Quote only Quote
C010-1010 Osmium Tetroxide, 1g and under 1g ampoule Pack/10 Only 2 AU $523.00
C010-120 Osmium Tetroxide, 1g and under 1g ampoule Pack/20 2 weeks AU $1,174.00
C010-130 Osmium Tetroxide, 1g and under 1g ampoule Pack/30 Only 3 AU $1,715.00
C010-140 Osmium Tetroxide, 1g and under 1g ampoule Pack/40 2 weeks Quote only Quote
C010-150 Osmium Tetroxide, 1g and under 1g ampoule Pack/50 2 weeks Quote only Quote
C012 Osmium Tetroxide, 1g and under 0.1g ampoule Each In Stock AU $23.00
C011 Osmium tetroxide 4% aqueous solution (DG) 10mL In Stock AU $59.00
C011-1010 Osmium tetroxide 4% aqueous solution (DG) 10x10ml Only 2 AU $347.00
C011-1050 Osmium tetroxide 4% aqueous solution (DG) 50x10ml leadtime:4-6 weeks AU $1,817.00
C011-2 Osmium tetroxide 4% aqueous solution (DG) 2mL leadtime:4-6 weeks AU $30.00
C011-210 Osmium tetroxide 4% aqueous solution (DG) 10x2ml Only 2 AU $122.00
C011-250 Osmium tetroxide 4% aqueous solution (DG) 50x2ml leadtime:4-6 weeks AU $566.00
C011-5 Osmium tetroxide 4% aqueous solution (DG) 5mL leadtime:4-6 weeks AU $44.00
C011-510 Osmium tetroxide 4% aqueous solution (DG) 10x5ml leadtime:4-6 weeks AU $280.00
C011-550 Osmium tetroxide 4% aqueous solution (DG) 50x5ml leadtime:4-6 weeks AU $1,275.00
EMS19112 Osmium Tetroxide, over 1g (DG) 2g ampoule pack/5 leadtime:4-6 weeks AU $672.00
EMS19114 Osmium Tetroxide, over 1g (DG) 4g ampoule pack/5 leadtime:4-6 weeks AU $1,115.00
EMS19115 Osmium Tetroxide, over 1g (DG) 5g ampoule Each leadtime:4-6 weeks AU $315.00
EMS19116 Osmium Tetroxide, over 1g (DG) 6g ampoule Each leadtime:4-6 weeks AU $371.00
EMS19152 Osmium tetroxide 2% aqueous solution (DG) 10x2mL leadtime:4-6 weeks AU $108.00
EMS19153 Osmium tetroxide 2% aqueous solution (DG) 50x2ml leadtime:4-6 weeks AU $468.00
EMS19172 Osmium tetroxide 2% aqueous solution (DG) 10x5mL leadtime:4-6 weeks AU $170.00
EMS19173 Osmium tetroxide 2% aqueous solution (DG) 50x5ml leadtime:4-6 weeks AU $760.00
EMS19192 Osmium tetroxide 2% aqueous solution (DG) 10x10mL leadtime:4-6 weeks AU $226.00
EMS19193 Osmium tetroxide 2% aqueous solution (DG) 50x10ml leadtime:4-6 weeks AU $1,129.00