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Osmium Tetroxide 18451
Osmium Tetroxide
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| OsO4; [20816-12-0]; FW 254.20 Solid vaporizes by sublimation. Should be used only under the hood. Affects eyes. Use eye protection. EM Grade, glass ampoules in black paper. No sticky labels. Osmium purity >99.95%. Light sensitive. |
| Special note on handling Osmium Tetroxide (reference 5, appendices A:2.5, "Books" , Procedures in Electron Microscopy) "Great care must be taken with osmium tetroxide. The crystals melt at 40°C ａnd are extremely slow to dissolve in water. Both the crystals ａnd diluted aqueous solutions give off fumes of osmium tetroxide, even at 0°C. It has an extremely low TLV (0.0002ppm). Osmium fixatives must therefore always be handled in a fume hood (cupboard), ａnd because they act so rapidly, skin contact must be avoided at all times." TLV= Eight hour average Threshold Limit Value measured in milligrams per cubic meter of air. |
| Prod # | Description | Unit | |||||
|---|---|---|---|---|---|---|---|
| 18459 | Osmium Tetroxide, 4% aqueous, 10 x 2ml | each | |||||
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| O, T (highly) (4% aqueous) | |||||||
| 18466 | Osmium Tetroxide, 2% aqueous, 10 x 5ml | each | |||||
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| O, T (highly) (2% aqueous) | |||||||
| 18463 | Osmium Tetroxide, 4% aqueous, 10 x 5ml | each | |||||
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| O, T (highly) (4% aqueous) | |||||||
| 18465 | Osmium Tetroxide, 4% aqueous, 10 x 10ml | each | |||||
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| O, T (highly) (4% aqueous) | |||||||
| 18450 | Osmium Tetroxide, 1/4 gram crystal, pkg/10 | each | |||||
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| O, T (highly) (crystal) | |||||||
| 18451 | Osmium Tetroxide, 1/2 gram crystal | each | |||||
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| O, T (highly) (crystal) | |||||||
| 18456 | Osmium Tetroxide, 1 gram crystal | each | |||||
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| O, T (highly) (crystal) | |||||||
更新时间：2024/4/1 15:43:56
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