Osmic Acid AR 99.9%

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CAS Number

20816-12-0

Chemical Information

Osmium Tetroxide

Osmium tetroxide is an osmium coordination entity consisting of four oxygen atoms bound to a central osmium atom via covalent double bonds. It has a role as a NMR chemical shift reference compound, a fixative, an oxidising agent, a poison and a histological dye.

CAS Number	20816-12-0
PubChem CID	30318
IUPAC Name	tetraoxoosmium
Molecular Formula	O4Os
Molecular Weight	254.2
Topological Polar Surface Area	68.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Heavy Atom Count	5
Formal Charge	0
Complexity	138

SMILES

O=[Os](=O)(=O)=O

InChI

InChI=1S/4O.Os

InChIKey

VUVGYHUDAICLFK-UHFFFAOYSA-N

Chemical Structure

2D Structure

CAS: 20816-12-0

CID: 30318

Formula: O4Os

MW: 254.2

Interactive 3D Structure

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View on PubChem Raw 3D data

Computed Properties

Property	Value
Molecular Weight	254.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	255.94114
Monoisotopic Mass	255.94114
Topological Polar Surface Area	68.3 Å²
Heavy Atom Count	5
Formal Charge	0
Complexity	138
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently-Bonded Unit Count	1
Compound Is Canonicalized	Yes

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Osmic Acid AR 99.9%

Chemical Information

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