OSMIUM
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- $116 - $1850
- Product name: OSMIUM
- CAS: 7440-04-2
- MF: Os
- MW: 190.23
- EINECS:231-114-0
- MDL Number:MFCD00011147
- Synonyms:OsMiuM, 99.9%, (trace Metal basis);Osmium powder, 99.8% trace metals basis;Osmium plasma standard solution, Os 1000μg/mL;Osmium AAS standard solution, Os 1000μg/mL;OSMIUM STANDARD;OSMIUM METAL;OSMIUM ATOMIC ABSORPTION STANDARD;OSMIUM PLASMA EMISSION SPECTROSCOPY STANDARD
16 prices
Selected condition：
Brand
- American Custom Chemicals Corporation
- Sigma-Aldrich
- Strem Chemicals
- Thermo Scientific Chemicals
- Usbiological
Package
- 100mg
- 1G
- 5G
- 1EA
- 100mL
- 5 g
- 50 mL
- 500 mL
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0000962
- Product descriptionOSMIUM 95.00%
- Packaging1G
- Price$741
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0000962
- Product descriptionOSMIUM 95.00%
- Packaging5G
- Price$1331.6
- Updated2021-12-16
- Buy
- ManufacturerSigma-Aldrich
- Product numberGF91691983
- Product descriptionOsmium powder, 500 max. part. size (micron), weight 10?g, purity 99.9%
- Packaging1EA
- Price$1850
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product number263257
- Product descriptionOsmium powder, 99.9% trace metals basis
- Packaging1G
- Price$345
- Updated2026-04-30
- Buy
- ManufacturerStrem Chemicals
- Product number76-3000
- Product descriptionOsmium powder (99.8%)
- Packaging1g
- Price$172
- Updated2024-03-01
- Buy
- ManufacturerStrem Chemicals
- Product number76-3000
- Product descriptionOsmium powder (99.8%)
- Packaging5g
- Price$683
- Updated2024-03-01
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number039998
- Product descriptionOsmium powder, -20 mesh, 99.95% (metals basis)
- Packaging5g
- Price$714.65
- Updated2026-04-24
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number38516
- Product descriptionOsmium, 99.9%, (trace metal basis) 99.9%
- Packaging5 g
- Price$760.65
- Updated2026-04-24
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number013871
- Product descriptionOsmium plasma standard solution
- Packaging100mL
- Price$173.65
- Updated2026-03-19
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number039998
- Product descriptionOsmium powder, -20 mesh, 99.95% (metals basis)
- Packaging1g
- Price$187.65
- Updated2026-04-24
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number042239
- Product descriptionOsmium AAS standard solution
- Packaging100mL
- Price$116
- Updated2026-04-24
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number013871
- Product descriptionOsmium, plasma standard solution, Specpure™ Os 1000μg/mL
- Packaging50 mL
- Price$140.65
- Updated2026-03-19
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number012446
- Product descriptionOsmium powder, -200 mesh, 99.8% (metals basis)
- Packaging1g
- Price$144.65
- Updated2026-04-24
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number013871
- Product descriptionOsmium, plasma standard solution, Specpure™ Os 1000μg/mL
- Packaging500 mL
- Price$562.65
- Updated2026-03-19
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number012446
- Product descriptionOsmium powder, -200 mesh, 99.8% (metals basis)
- Packaging5g
- Price$604.65
- Updated2026-04-24
- Buy
- ManufacturerUsbiological
- Product number286324
- Product descriptionOsmium
- Packaging100mg
- Price$363
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| American Custom Chemicals Corporation | ING0000962 | OSMIUM 95.00% | 1G | $741 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | ING0000962 | OSMIUM 95.00% | 5G | $1331.6 | 2021-12-16 | Buy |
| Sigma-Aldrich | GF91691983 | Osmium powder, 500 max. part. size (micron), weight 10?g, purity 99.9% | 1EA | $1850 | 2026-04-30 | Buy |
| Sigma-Aldrich | 263257 | Osmium powder, 99.9% trace metals basis | 1G | $345 | 2026-04-30 | Buy |
| Strem Chemicals | 76-3000 | Osmium powder (99.8%) | 1g | $172 | 2024-03-01 | Buy |
| Strem Chemicals | 76-3000 | Osmium powder (99.8%) | 5g | $683 | 2024-03-01 | Buy |
| Thermo Scientific Chemicals | 039998 | Osmium powder, -20 mesh, 99.95% (metals basis) | 5g | $714.65 | 2026-04-24 | Buy |
| Thermo Scientific Chemicals | 38516 | Osmium, 99.9%, (trace metal basis) 99.9% | 5 g | $760.65 | 2026-04-24 | Buy |
| Thermo Scientific Chemicals | 013871 | Osmium plasma standard solution | 100mL | $173.65 | 2026-03-19 | Buy |
| Thermo Scientific Chemicals | 039998 | Osmium powder, -20 mesh, 99.95% (metals basis) | 1g | $187.65 | 2026-04-24 | Buy |
| Thermo Scientific Chemicals | 042239 | Osmium AAS standard solution | 100mL | $116 | 2026-04-24 | Buy |
| Thermo Scientific Chemicals | 013871 | Osmium, plasma standard solution, Specpure™ Os 1000μg/mL | 50 mL | $140.65 | 2026-03-19 | Buy |
| Thermo Scientific Chemicals | 012446 | Osmium powder, -200 mesh, 99.8% (metals basis) | 1g | $144.65 | 2026-04-24 | Buy |
| Thermo Scientific Chemicals | 013871 | Osmium, plasma standard solution, Specpure™ Os 1000μg/mL | 500 mL | $562.65 | 2026-03-19 | Buy |
| Thermo Scientific Chemicals | 012446 | Osmium powder, -200 mesh, 99.8% (metals basis) | 5g | $604.65 | 2026-04-24 | Buy |
| Usbiological | 286324 | Osmium | 100mg | $363 | 2021-12-16 | Buy |
Properties
Melting point :3045 °C (lit.)
Boiling point :5027 °C (lit.)
Density :22.61 g/cm3 (lit.)
solubility :soluble in aqua regia
form :sponge
color :Black
Specific Gravity :22.48
Electrical Conductivity :1.2× 107S/m
Water Solubility :attacked by aqua regia; barely affected by HCl, H2SO4 [MER06]
Thermal Conductivity :87 W/(m·K)
Merck :13,6960
Exposure limits :ACGIH: Ceiling 2 ppm
OSHA: Ceiling 5 ppm(7 mg/m3)
NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3) InChI :InChI=1S/Os
InChIKey :SYQBFIAQOQZEGI-UHFFFAOYSA-N
SMILES :[Os]
Hardness, Vickers :670
Modulus of Elasticity :560 GPa
Hardness, Brinell :580, Converted from Vickers for 3000 kg load/10 mm ball Brinell test.
Hardness, Rockwell A :80, Converted from Vickers.
Hardness, Rockwell C :57, Converted from Vickers.
Hardness, Knoop :822, Converted from Vickers.
CAS DataBase Reference :7440-04-2(CAS DataBase Reference)
EPA Substance Registry System :Osmium (7440-04-2)
Boiling point :5027 °C (lit.)
Density :22.61 g/cm3 (lit.)
solubility :soluble in aqua regia
form :sponge
color :Black
Specific Gravity :22.48
Electrical Conductivity :1.2× 107S/m
Water Solubility :attacked by aqua regia; barely affected by HCl, H2SO4 [MER06]
Thermal Conductivity :87 W/(m·K)
Merck :13,6960
Exposure limits :ACGIH: Ceiling 2 ppm
OSHA: Ceiling 5 ppm(7 mg/m3)
NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3) InChI :InChI=1S/Os
InChIKey :SYQBFIAQOQZEGI-UHFFFAOYSA-N
SMILES :[Os]
Hardness, Vickers :670
Modulus of Elasticity :560 GPa
Hardness, Brinell :580, Converted from Vickers for 3000 kg load/10 mm ball Brinell test.
Hardness, Rockwell A :80, Converted from Vickers.
Hardness, Rockwell C :57, Converted from Vickers.
Hardness, Knoop :822, Converted from Vickers.
CAS DataBase Reference :7440-04-2(CAS DataBase Reference)
EPA Substance Registry System :Osmium (7440-04-2)
Safety Information
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Description
Osmium was discovered by English chemist Smithson Tennant in 1804. The element was named osmium after the Greek word, osme, which means a smell, because of the pungent and peculiar odor of its volatile oxide.Osmium occurs in nature, always associated with other platinum group metals. It usually is found in lesser abundance than other noble metals. Its most important mineral is osmiridium (or iridosmine), a naturally occurring mineral alloyed with iridium.
The commercial applications of osmium are limited and considerably fewer than other platinum group metals. Its alloys are very hard and are used to make tips of fountain-pen nibs, phonograph needles, and pivots. The metal also exhibits effective catalytic properties in hydrogenation and other organic reactions. Such catalytic applications, however, are limited and osmium fails to replace other noble metals, particularly palladium and platinum, which are more effective as catalysts and cost less.
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