Molecular chlorine

Cl2

molecular chlorine

CAS7782-50-5
GHS03 Gefahrensymbol: Brandfördernd – Flamme über Kreis
GHS04 Gefahrensymbol: Unter Druck stehende Gase – Gasflasche
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

Consulting for Molecular chlorine

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Identification

CAS Number
7782-50-5
EC Number
231-959-5
UN Number
1017
Index Number
017-001-00-7
PubChem CID
24526

Physical-chemical properties

Molecular Formula
Cl2
Molar Mass
70.90 g/mol
IUPAC Name
molecular chlorine

Chemical Identifiers

InChI
InChI=1S/Cl2/c1-2
InChI Key
KZBUYRJDOAKODT-UHFFFAOYSA-N

Overview

Molecular chlorine (CAS: 7782-50-5) is a chemical compound widely used in industry. The molecular formula is Cl2. The molar mass is 70.90 g/mol.

Safety & Classification

Danger
Classification:

Ox. Gas 1; Press. Gas; Acute Tox. 3 *; STOT SE 3; Skin Irrit. 2; Eye Irrit. 2; Aquatic Acute 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H270

May cause or intensify fire; oxidiser.

H331

Toxic if inhaled.

H335

May cause respiratory irritation.

H315

Causes skin irritation.

H319

Causes serious eye irritation.

H400

Very toxic to aquatic life.

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

Toxic

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:

Skin Contact

Irritant

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:

Eye Contact

Irritant

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:

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 Number1017
ADR Class2
Packing Group
Tunnel CodeC/D
Proper Shipping NameChlor, unter Druck verflüssigt
Marine PollutantNo

Frequently Asked Questions

What is Molecular chlorine?

Molecular chlorine (CAS 7782-50-5) is a chemical substance with the formula Cl2 used in various industrial applications.

What are the properties of Molecular chlorine?

Molecular chlorine has a molar mass of 70.90 g/mol. It is classified as Ox. Gas 1; Press. Gas; Acute Tox. 3 *; STOT SE 3; Skin Irrit. 2; Eye Irrit. 2; Aquatic Acute 1. See the technical data above for more details.

How to store Molecular chlorine safely?

Molecular chlorine 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 Molecular chlorine dangerous?

Molecular chlorine carries the signal word "Danger". 4 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy Molecular chlorine?

You can order Molecular chlorine (CAS 7782-50-5) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.