hydrogen peroxide

H2O2

CAS7722-84-1

Danger

Consulting for hydrogen peroxide

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Identification

CAS Number: 7722-84-1
EC Number: 231-765-0
UN Number: 2015
Index Number: 008-003-00-9
PubChem CID: 784

Physical-chemical properties

Molecular Formula: H2O2
Molar Mass: 34.02 g/mol
IUPAC Name: hydrogen peroxide

Chemical Identifiers

InChI: InChI=1S/H2O2/c1-2/h1-2H
InChI Key: MHAJPDPJQMAIIY-UHFFFAOYSA-N

Overview

hydrogen peroxide (CAS: 7722-84-1) is a chemical compound widely used in industry. The molecular formula is H2O2. The molar mass is 34.02 g/mol.

Safety & Classification

Danger

Classification:

Ox. Liq. 1; Acute Tox. 4 *; Acute Tox. 4 *; Skin Corr. 1A

GHS Pictograms

Flame Over Circle

GHS03

Oxidizing. May cause or intensify fire.

Exclamation Mark

GHS07

Harmful. May cause irritation, allergic reactions, or drowsiness.

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H271

May cause fire or explosion; strong oxidiser.

H332

Harmful if inhaled.

H302

Harmful 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

Harmful

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:

H332

Skin Contact

Harmful

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:

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

Harmful

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:

H302

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	2015
ADR Class	5.1
Packing Group	I
Tunnel Code	B/E
Proper Shipping Name	Wasserstoffperoxid, stabilisiert
Marine Pollutant	No

Frequently Asked Questions

What is hydrogen peroxide?

hydrogen peroxide (CAS 7722-84-1) is a chemical substance with the formula H2O2 used in various industrial applications.

What are the properties of hydrogen peroxide?

hydrogen peroxide has a molar mass of 34.02 g/mol. It is classified as Ox. Liq. 1; Acute Tox. 4 *; Acute Tox. 4 *; Skin Corr. 1A. See the technical data above for more details.

How to store hydrogen peroxide safely?

hydrogen peroxide 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 hydrogen peroxide dangerous?

hydrogen peroxide carries the signal word "Danger". 3 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy hydrogen peroxide?

You can order hydrogen peroxide (CAS 7722-84-1) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.