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263257

Sigma-Aldrich

Osmium

powder, 99.9% trace metals basis

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About This Item

Empirical Formula (Hill Notation):
Os
CAS Number:
7440-04-2
Molecular Weight:
190.23
EC Number:
231-114-0
MDL number:
MFCD00011147
UNSPSC Code:
11101711
PubChem Substance ID:
24855959
NACRES:
NA.23

Assay

99.9% trace metals basis

form

powder

resistivity

8.12 μΩ-cm, 20°C

bp

5027 °C (lit.)

mp

3045 °C (lit.)

density

22.61 g/cm3 (lit.)

SMILES string

[Os]

InChI

1S/Os

InChI key

SYQBFIAQOQZEGI-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Statements

H228,H315,H318,H335

Hazard Classifications

Eye Dam. 1 - Flam. Sol. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Isolda Romero-Canelón et al.
Journal of medicinal chemistry, 56(3), 1291-1300 (2013-02-02)
Organometallic half-sandwich complexes [M(p-cymene)(azo/imino-pyridine)X](+) where M = Ru(II) or Os(II) and X ═ Cl or I, exhibit potent antiproliferative activity toward a range of cancer cells. Not only are the iodido complexes more potent than the chlorido analogues, but they
Kilian Muñiz
Chemical Society reviews, 33(3), 166-174 (2004-03-18)
Imido complexes of osmium tetroxide are versatile compounds for olefin functionalisation. This tutorial review offers a brief historical overview on these compounds and discusses the electronic properties and reactivities of isolated imido osmium compounds in what had been the original
Masruri et al.
The Journal of organic chemistry, 77(19), 8480-8491 (2012-09-12)
N-(4-toluenesulfonyloxy)carbamates based on a range of common amine protecting groups serve as preformed nitrogen sources in the intermolecular osmium-catalyzed oxyamination reaction of a variety of mono-, di-, and trisubstituted alkenes. The reactions occur with low catalyst loadings and good yields
Gabriel E Büchel et al.
Journal of inorganic biochemistry, 113, 47-54 (2012-06-13)
A one-pot synthesis of osmium(IV) complexes with two different tautomers of indazole, 1H-indazole and 2H-indazole, namely (H(2)ind)[Os(IV)Cl(5)(2H-ind)] (1) and (H(2)ind)[Os(IV)Cl(5)(1H-ind)] (2) is reported. Both compounds have been comprehensively characterized by NMR spectroscopy, ESI (electrospray ionization) mass spectrometry, electronic absorption spectroscopy
Kamrul Hasan et al.
Biochemical Society transactions, 40(6), 1330-1335 (2012-11-28)
Electrochemical communication between micro-organisms and electrodes is the integral and fundamental part of BESs (bioelectrochemical systems). The immobilization of bacterial cells on the electrode and ensuring efficient electron transfer to the electrode via a mediator are decisive features of mediated
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