tetraoxoosmium

O4Os

CAS20816-12-0

Danger

Consulting for tetraoxoosmium

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Identification

CAS Number: 20816-12-0
EC Number: 244-058-7
UN Number: 2471
Index Number: 076-001-00-5
PubChem CID: 30318

Physical-chemical properties

Molecular Formula: O4Os
Molar Mass: 254.20 g/mol
IUPAC Name: tetraoxoosmium

Chemical Identifiers

InChI: InChI=1S/4O.Os
InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N

Overview

tetraoxoosmium (CAS: 20816-12-0) is a chemical compound widely used in industry. The molecular formula is O4Os. The molar mass is 254.20 g/mol.

Safety & Classification

Danger

Classification:

Acute Tox. 2 *; Acute Tox. 1; Acute Tox. 2 *; Skin Corr. 1B

GHS Pictograms

Skull and Crossbones

GHS06

Acute toxicity. Fatal if swallowed, in contact with skin, or if inhaled.

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H330

Fatal if inhaled.

H310

Fatal in contact with skin.

H300

Fatal if swallowed.

H314

Causes severe skin burns and eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Fatal

Measures if vapours or dust are inhaled

First Aid Actions

+P304IF INHALED:
+P340Remove person to fresh air and keep comfortable for breathing.
+P311Call a POISON CENTER/doctor.

Related hazard statements:

H330

Skin Contact

Fatal

Measures if substance contacts the skin

First Aid Actions

+P302IF ON SKIN:
+P352Wash with plenty of water.
+P361Take off immediately all contaminated clothing.
+P313Get medical advice/attention.

Related hazard statements:

H310 H314

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

+P305IF IN EYES:
+P351Rinse cautiously with water for several minutes.
+P338Remove contact lenses, if present and easy to do. Continue rinsing.
+P313Get medical advice/attention.

Related hazard statements:

H314

Ingestion

Fatal

Measures if substance is accidentally swallowed

First Aid Actions

+P301IF SWALLOWED:
+P330Rinse mouth.
+P331Do NOT induce vomiting.
+P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

H300

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number	2471
ADR Class	6.1
Packing Group	I
Tunnel Code	C/E
Proper Shipping Name	Osmiumtetroxid, fest
Marine Pollutant	No

Frequently Asked Questions

What is tetraoxoosmium?

tetraoxoosmium (CAS 20816-12-0) is a chemical substance with the formula O4Os used in various industrial applications.

What are the properties of tetraoxoosmium?

tetraoxoosmium has a molar mass of 254.20 g/mol. It is classified as Acute Tox. 2 *; Acute Tox. 1; Acute Tox. 2 *; Skin Corr. 1B. See the technical data above for more details.

How to store tetraoxoosmium safely?

tetraoxoosmium should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is tetraoxoosmium dangerous?

tetraoxoosmium carries the signal word "Danger". 2 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy tetraoxoosmium?

You can order tetraoxoosmium (CAS 20816-12-0) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.