Osmium | CAS No. 7440-04-2

Osmium

Basic Information

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CAS Number

7440-04-2

Molecular Formula

Molecular Weight

190.23 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Melting Point

3033 ºC

Boiling Point

5027 °C

Density

22,48 g/cm3

SMILES

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[Os]

InChI

InChI=1S/Os

InChIKey

SYQBFIAQOQZEGI-UHFFFAOYSA-N

LogP

-0.0025

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

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GHS Hazard Pictograms

H228

H315

H318

H335

Hazard Statement

H228 Flammable solid
Flammable solids

H315 Causes skin irritation
Skin corrosion/irritation

H318 Causes serious eye damage
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 4.1 Class 4.1

Synonyms & References

English

Os
NS00082231
Q751
Osmium - Os @ 1000 microg/mL in 20% HCl
CHEBI:49812
2E7M255OPY
Metallic osmium
OSMIUM ION
EINECS 231-114-0
DTXSID5064679
Osmium powder, -20 mesh
HSDB 7329
Osmium, elemental
osmium(3+) ion
Osmium powder, -200 mesh
Osmium, Powder
Osmium
Os(3+)
Osmium Standard: Os @ 1000 microg/mL in 20% HCl
Q27104722
osmium atom
76Os
Osmium, Powder, 99.9%
MFCD00011147
7440-04-2
Osmium Standard: Os @ 10 microg/mL in 5% HCl
CHEBI:30687
osmium(3+)
osmium hydride
Osmium powder
SYQBFIAQOQZEGI-UHFFFAOYSA-N

MDL Number

MFCD00011147

FAQ

What regulatory guidelines apply to osmium (CAS: 7440-04-2)?

Osmium (CAS: 7440-04-2) is classified under the Globally Harmonized System (GHS) as a toxic substance. It is regulated by the REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) in the European Union, requiring registration and evaluation of its use. In the United States, the Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) may have specific guidelines for handling and disposal based on its use and form.详尽的信息需要具体上下文和详细研究，但上述概述了主要的监管要求。

Are there alternatives to osmium (CAS: 7440-04-2) in synthesis?

Alternatives to osmium (CAS: 7440-04-2) in catalytic cross-coupling reactions include palladium-based catalysts and other precious metals like rhodium. For substitution reactions, alternatives like transition metal complexes and organometallic compounds are available. The choice depends on the specific reaction conditions and desired product purity.详尽的信息需要具体上下文和详细研究，但上述概述了主要的替代方案。

What is the market or research trend for osmium (CAS: 7440-04-2)?

The market for osmium (CAS: 7440-04-2) is driven by its use in specialized applications such as jewelry, electrical contacts, and catalysts. Research trends focus on its use in electrocatalysis and in the development of more sustainable and less toxic catalysts. Price trends reflect these applications and the limited availability of the element.详尽的信息需要具体上下文和详细研究，但上述概述了主要的市场和研究趋势。

How should waste containing osmium (CAS: 7440-04-2) be handled?

Waste containing osmium (CAS: 7440-04-2) should be collected in properly labeled, sealed containers and disposed of according to local regulations. Incineration is a common method, but professional waste disposal services are recommended for handling toxic metals. Environmental protection measures include minimizing waste generation and ensuring all safety protocols are followed during handling and disposal.详尽的信息需要具体上下文和详细研究，但上述概述了主要的处理方法。