2,3,4,5-tetrachlorobenzoyl chloride

C7HCl5O

CAS42221-52-3

Danger

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Identification

CAS Number: 42221-52-3
EC Number: 406-760-3
UN Number: 3261
Index Number: 607-339-00-9
PubChem CID: 5463797

Physical-chemical properties

Molecular Formula: C7HCl5O
Molar Mass: 278.30 g/mol
IUPAC Name: 2,3,4,5-tetrachlorobenzoyl chloride

Chemical Identifiers

InChI: InChI=1S/C7HCl5O/c8-3-1-2(7(12)13)4(9)6(11)5(3)10/h1H
InChI Key: IROWIXYGGPOJFJ-UHFFFAOYSA-N

Overview

2,3,4,5-tetrachlorobenzoyl chloride (CAS: 42221-52-3) is a chemical compound widely used in industry. The molecular formula is C7HCl5O. The molar mass is 278.30 g/mol.

Safety & Classification

Danger

Classification:

Acute Tox. 4 *; Skin Corr. 1B; Skin Sens. 1

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

H302

Harmful if swallowed.

H314

Causes severe skin burns and eye damage.

H317

May cause an allergic skin reaction.

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

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 H317

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	3261
ADR Class	8
Packing Group	II
Tunnel Code	E
Proper Shipping Name	2,3,4,5-Tetrachlorbenzoylchlorid, fest
Marine Pollutant	No

Frequently Asked Questions

What is 2,3,4,5-tetrachlorobenzoyl chloride?

2,3,4,5-tetrachlorobenzoyl chloride (CAS 42221-52-3) is a chemical substance with the formula C7HCl5O used in various industrial applications.

What are the properties of 2,3,4,5-tetrachlorobenzoyl chloride?

2,3,4,5-tetrachlorobenzoyl chloride has a molar mass of 278.30 g/mol. It is classified as Acute Tox. 4 *; Skin Corr. 1B; Skin Sens. 1. See the technical data above for more details.

How to store 2,3,4,5-tetrachlorobenzoyl chloride safely?

2,3,4,5-tetrachlorobenzoyl 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 2,3,4,5-tetrachlorobenzoyl chloride dangerous?

2,3,4,5-tetrachlorobenzoyl chloride carries the signal word "Danger". 2 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy 2,3,4,5-tetrachlorobenzoyl chloride?

You can order 2,3,4,5-tetrachlorobenzoyl chloride (CAS 42221-52-3) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.