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Electron Microscopy Sciences

arrow14Osmium Tetroxide to Papanicolaou

arrow12Osmium Tetroxide

Osmium TetroxideOsmium 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
Osmium Purity: >99.95%
Non-Volatile matter: <0.02%

Small size (2ml), 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.

Please call us for special prices on all other quantities and package sizes.

RT 19100   1g $35.00/g cart
RT 19110   10x1g $34.00/g cart
RT 19102   20x1g $32.50/g cart
RT 19103   30x1g $31.68/g cart
RT 19104   40x1g $31.25/g cart
RT 19105   50x1g $30.00/g cart
RT 19112   5x2g/Ampoule $32.50/g cart
RT 19114   5x4g/Ampoule $32.00/g cart
RT 19115   5g/Amp $34.00/g cart
RT 19116   6g/Amp $34.17/g cart
RT 19120   ½g $21.00/½g cart
RT 19130   10x½g $195.00/bx cart
RT 19131 Same as 19130 (5 bxs + /lot) $188.00/bx cart
RT 19132   10x¼g $115.00/bx cart
RT 19134   10x1/10g $60.00/bx cart

arrow12Aqueous Solution:

To facilitate your work, we now have available a complete line of Osmium Tetroxide Aqueous Solutions with various concentrations. Sealed under dry nitrogen. Prepared in our plant daily. Exact concentrations and volume in pre-scored amber-ampoules.

4% Aqueous Solution:
RT 19140   2ml 6.00/ea cart
RT 19150   10x2ml 47.00/bx cart
RT 19151 Same as 19150 (5 bxs + /lot) 44.00/bx cart
RT
19160
 
5ml

12.00/ea

cart
RT 19170   10x5ml 120.00/bx cart
RT 19171 Same as 19170 (5bxs/lot) 112.00/bx cart
RT
19180
 
10ml

20.00/ea

cart
RT 19190   10x10ml 192.00/bx cart
RT 19191 Same as 19190 (5 bxs + /lot) 182.00/bx cart
2% Aqueous Solution
RT 19152   10x2ml 27.00/bx cart
RT 19153 Same as 19152 (5 bxs + /lot) 25.20/bx cart
RT 19172   10x5ml 72.00/bx cart
RT 19173 Same as 19172 (5 bxs + /lot) 66.00/bx cart
RT 19192   10x10ml 110.00/bx cart
RT 19193 Same as 19192 (5 bxs + /lot) 100.00bx cart

Special orders are encouraged for different solution concentrations and packaging requirements.

Technical Tips

Neutralization and Disposal of Osmium Tetroxide
Making and Air Tight Container for Osmium Tetroxide

arrow12Papanicolaou Stain, OG-6

RT 26048-05 OG-6 Stain Solution 500ml 38.00 Add to Cart
RT 26048-06 OG-6 Stain Solution 1 L 50.00 Add to Cart

arrow12Papanicolaou Stain, EA-50 (EA Counterstain)

RT 26049-05 EA-50 Stain Solution 500ml 47.00 Add to Cart
RT 26049-06 EA-50 Stain Solution 1 L 84.00 Add to Cart

Paraformaldehyde to Picric arrow12arrow12

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