hydrogen chloride

ClH

CAS7647-01-0

Danger

Consulting for hydrogen chloride

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Identification

CAS Number: 7647-01-0
EC Number: 231-595-7
UN Number: 1789
Index Number: 017-001-00-7
PubChem CID: 313

Physical-chemical properties

Molecular Formula: ClH
Molar Mass: 36.46 g/mol
IUPAC Name: hydrogen chloride

Chemical Identifiers

InChI: InChI=1S/ClH/h1H
InChI Key: VEXZGXHMUGYJMC-UHFFFAOYSA-N

Overview

hydrogen chloride (CAS: 7647-01-0) is a chemical compound widely used in industry. The molecular formula is ClH. The molar mass is 36.46 g/mol.

Safety & Classification

Danger

Classification:

STOT SE 3; Skin Corr. 1B

GHS Pictograms

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

H335

May cause respiratory irritation.

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

Irritant

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:

H335

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

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	1789
ADR Class	8
Packing Group	II
ADR Labels	8
Tunnel Code	E
Proper Shipping Name	SALZSÄURE
Marine Pollutant	No

Frequently Asked Questions

What is hydrogen chloride?

hydrogen chloride (CAS 7647-01-0) is a chemical substance with the formula ClH used in various industrial applications.

What are the properties of hydrogen chloride?

hydrogen chloride has a molar mass of 36.46 g/mol. It is classified as STOT SE 3; Skin Corr. 1B. See the technical data above for more details.

How to store hydrogen chloride safely?

hydrogen chloride 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 chloride dangerous?

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

Where can I buy hydrogen chloride?

You can order hydrogen chloride (CAS 7647-01-0) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.