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

Product Code	Brand	Quantity	Packaging
10616881	Thermo Scientific Acros 319010050	5 mL	Glass bottle
10145263	Thermo Scientific Acros 319010100	10 mL	Glass bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Oxidation reagent

Specifications

• Boiling Point: 100.0°C
• CAS: 20816-12-0, 7732-18-5
• Physical Form: Solution
• Linear Formula: OsO₄
• 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
• Synonym: osmium tetroxide, osmium tetraoxide, osmic acid, perosmic oxide, osmic acid anhydride, osmium viii oxide, oso4, perosmic acid anhydride, osmiumtetroxide, osmium oxide, t-4
• InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N
• IUPAC Name: tetraoxoosmium
• PubChem CID: 30318
• Concentration or Composition (by Analyte or Components): 3.92 to 4.08%
• Specific Gravity: 1.04

• Chemical Name or Material: Osmium tetroxide
• Color: Yellow
• Molecular Formula: O4Os
• MDL Number: MFCD00011150
• Merck Index: 15, 6990
• Solubility Information: Solubility in water: soluble
• SMILES: O=[Os](=O)(=O)=O
• Molecular Weight (g/mol): 254.23
• Formula Weight: 254.2
• Packaging: Glass bottle
• Density: 1.0400g/mL

Safety and Handling

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.

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

GHS Signal Word: Danger

missing translation for 'einecsNumber' : 244-058-7

missing translation for 'rtecsNumber' : RN1140000

missing translation for 'tsca' : TSCA

Product Identifier

• Osmium tetroxide, 4 wt% solution in water

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 2
• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 1
• Respiratory sensitiser Category 1
• Skin corrosion/irritation Category 2

Hazard Statement

• H310-Fatal in contact with skin.
• H315-Causes skin irritation.
• H318-Causes serious eye damage.
• H332-Harmful if inhaled.
• H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.
• P332+P313-If skin irritation occurs: Get medical advice/attention.

Supplemental information

• MIXTURE LIST-Contains : Osmium oxide

RUO – Research Use Only