ChemicalBook CAS DataBase List Osmium tetroxide

Osmium tetroxide

$22.4 - $2540

Product nameOsmium tetroxide
Cas No20816-12-0
MFO4Os
MW254.23
EINECS244-058-7
MDL NumberMFCD00011150

Price

Brand	Packaging	Price	Product name
Alfa Aesar 045384	2ml	$78.4	Osmium(VIII) oxide
Alfa Aesar 045385	2ml	$87	Osmium(VIII) oxide
Alfa Aesar 012103	0.5g	$117	Osmium(VIII) oxide, 99.8% (metals basis)
Alfa Aesar 045384	10ml	$120	Osmium(VIII) oxide
Alfa Aesar 045385	10ml	$129	Osmium(VIII) oxide
Alfa Aesar 012103	1g	$180	Osmium(VIII) oxide, 99.8% (metals basis)
Alfa Aesar 012103	*10x1g	$1553	Osmium(VIII) oxide, 99.8% (metals basis)
Chem-Impex 29938	25ML	$369.6	Osmiumtetroxidesolution,2.5wt.%intert-butanol,98.0%(Titration)
Chem-Impex 29939	100ML	$705.6	Osmiumtetroxidesolution,4wt.%inH2O
Chem-Impex 29939	25ML	$196	Osmiumtetroxidesolution,4wt.%inH2O

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Properties

Melting point

40°C

Boiling point

130 °C

Density

1.04

vapor density

8.8 (vs air)

vapor pressure

7 mmHg at 20 °C

Flash point

-40 °C

storage temp.

2-8°C

solubility

Soluble in alcohol, ether, chloroform, benzene, ammonium hydroxide, phosphorus oxychloride and carbon tetrachloride

form

Solution

color

White to yellow,or lemon yellow

Specific Gravity

5.10

Odor

Acrid, chlorine-like odor detectable at 2 ppm (20 mg/m3)

Water Solubility

Soluble in chloroform, alcohol and ethers.Soluble in water, organic solvents, benzene, alcohol, ether, ammonium hydroxide, phosphorus oxychloride and carbon tetrachloride.

Sensitive

Air Sensitive

Merck

14,6893

crystal system

Monoclinic

Space group

C2/c

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.9379	0.4515	0.8632	90	116.6	90	0.3268

Safety Information

Description

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