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4-Chlorobenzoyl chloride

CAS 122-01-0 C7H4Cl2O MW 175.01 Made to order

4-Chlorobenzoyl chloride is a reactive acylating agent used in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty dyes. It is a colorless to pale yellow liquid with a pungent odor. CAS: 122-01-0, Molecular formula: C7H4Cl2O, Molecular weight: 175.01 g/mol. Store at ambient temperature. Hazard warning: Danger. Molekula supplies 4-Chlorobenzoyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

4-Chlorobenzoyl chloride is a reactive acylating agent used in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty dyes. It is a colorless to pale yellow liquid with a pungent odor. CAS: 122-01-0, Molecular formula: C7H4Cl2O, Molecular weight: 175.01 g/mol. Store at ambient temperature. Hazard warning: Danger. Molekula supplies 4-Chlorobenzoyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Colourless liquid
Assay >98%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 105 C
Transport Class 8
Packing Group II
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 122-01-0
Molecular Formula C7H4Cl2O
Molecular Weight 175.01
SMILES C1=CC(=CC=C1C(=O)Cl)Cl
EC / UN Number 3265
REACH Code Y110
TSCA Listed Yes
HTS Code 29163946
Tariff Code 2916399090

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Compressed Gas Compressed Gas GHS04

Hazard statements

  • EUH029 Contact with water liberates toxic gas
  • H290 May be corrosive to metals
  • H314 Causes severe skin burns and eye damage
  • H317 May cause an allergic skin reaction
  • H318 Causes serious eye damage
  • H335 May cause respiratory irritation

Precautionary statements

  • P234 Keep only in original container
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 100 g

    $58.69 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is 4-Chlorobenzoyl chloride used for?

It is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyes.

What is the chemical formula and molecular weight?

The formula is C7H4Cl2O with a molecular weight of 175.01 g/mol.

How should 4-Chlorobenzoyl chloride be stored?

Store at ambient temperature in a dry, well-ventilated area away from moisture and incompatible materials.

What grade is available?

Available in technical grade; custom purity options may be available upon request.

Can Molekula supply it in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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