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CAS RN 20816-12-0

OOsOOO

CAS RN 20816-12-0

IUPAC Name: tetraoxoosmium
Synonyms: osmium tetroxide
Molecular Weight (g/mol): 254.23
Molecular Formula: O4Os
InChi Key: VUVGYHUDAICLFK-UHFFFAOYSA-N
SMILES: O=[Os](=O)(=O)=O
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1 – 12 of 12 results
1

Osmium Tetroxide (4% in Water), TCI America™
SDP

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: Osmium(VIII) Oxide PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym Osmium(VIII) Oxide
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
2

Thermo Scientific Chemicals Osmium(VIII) oxide, 4% aq. soln.

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
3

Thermo Scientific Chemicals Osmium tetroxide, 99.9+%, (trace metal basis)

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
4

Thermo Scientific Chemicals Osmium tetroxide, 2.5 wt.% solution in tert-Butanol, stabilized

CAS: 20816-12-0 | O4Os | 254.23 g/mol

Linear Formula OsO4
Molecular Weight (g/mol) 254.23
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Density 0.8110g/mL
PubChem CID 30318
Fieser 01,759; 02,301; 04,361; 05,141; 06,424; 10,290; 12,358; 13,186; 14,235; 15,240; 16,249; 17,236
RTECS Number RN1140000
Formula Weight 254.2
Color White to Yellow
Physical Form Crystals, Fused Mass or Solution
Chemical Name or Material Osmium tetroxide
SMILES O=[Os](=O)(=O)=O
Merck Index 15, 6990
Concentration or Composition (by Analyte or Components) 2.5 wt% Min.
CAS 75-65-0
Health Hazard 3 GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
Keep away from heat/sparks/open flames/hot surfaces.
- No smoking.
IF ON SKIN (or hair): Take off immediately all contaminated clothing.
Rin
MDL Number MFCD00011150
Health Hazard 2 GHS H Statement
Toxic if inhaled.
Harmful if swallowed.
Fatal in contact with skin.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
May cause allergy or asthma symptoms o
Packaging Glass bottle
Flash Point 4°C
Health Hazard 1 GHS Signal Word: Danger
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
TSCA TSCA
IUPAC Name tetraoxoosmium
Molecular Formula O4Os
EINECS Number 244-058-7
Specific Gravity 0.811
5

Thermo Scientific Chemicals Osmium(VIII) oxide, 99.8% (metals basis), Os 74.4% min

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
6

Thermo Scientific Chemicals Osmium tetroxide, 4 wt.% solution in water

CAS: 20816-12-0 | O4Os | 254.23 g/mol

Linear Formula OsO4
Molecular Weight (g/mol) 254.23
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Density 1.0400g/mL
PubChem CID 30318
Fieser 01,759; 02,301; 04,361; 05,141; 06,424; 10,290; 12,358; 13,186; 14,235; 15,240; 16,249; 17,236
RTECS Number RN1140000
Formula Weight 254.2
Boiling Point 100.0°C
Color Yellow
Physical Form Solution
Chemical Name or Material Osmium tetroxide
SMILES O=[Os](=O)(=O)=O
Merck Index 15, 6990
Concentration or Composition (by Analyte or Components) 3.92 to 4.08%
CAS 7732-18-5
Health Hazard 3 GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
IF SWALLOWED: rinse mouth.
Do NOT induce vomiting.
Immediately call a POISON CENTER or doctor/physician.
IF INHALED: Remove to fresh air a
MDL Number MFCD00011150
Health Hazard 2 GHS H Statement
Causes serious eye damage.
Fatal in contact with skin.
Harmful if swallowed.
Causes skin irritation.
Harmful if inhaled.
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Packaging Glass bottle
Solubility Information Solubility in water: soluble
Health Hazard 1 GHS Signal Word: Danger
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
TSCA TSCA
IUPAC Name tetraoxoosmium
Molecular Formula O4Os
EINECS Number 244-058-7
Specific Gravity 1.04
7

Thermo Scientific Chemicals Osmium(VIII) oxide, 2% aq. soln.

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
8

Thermo Scientific Chemicals Osmium tetroxide, 2.5 wt.% sol. in tert-Butanol, stab., AcroSeal™

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
9

Osmic Acid Anhydride (Crystalline/Laboratory), Fisher Chemical™

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
10

Osmium(VIII) oxide, For Microscopy, MilliporeSigma™

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
11

Honeywell Chemicals Osmium Tetroxide Solution, Honeywell Fluka™

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os
12

Honeywell Chemicals Osmium Tetroxide, ACS Reagent, ≥98%, Honeywell Fluka™

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4 PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

PubChem CID 30318
CAS 20816-12-0
Molecular Weight (g/mol) 254.23
MDL Number MFCD00011150
SMILES O=[Os](=O)(=O)=O
Synonym osmium tetroxide,osmium tetraoxide,osmic acid,perosmic oxide,osmic acid anhydride,osmium viii oxide,oso4,perosmic acid anhydride,osmiumtetroxide,osmium oxide, t-4
IUPAC Name tetraoxoosmium
InChI Key VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula O4Os