4-Chlorobenzoyl chloride, 99%

About 4-Chlorobenzoyl chloride, 99%

4-Chlorobenzoyl chloride is an acylating agent (Synthesis grade) carrying the CAS registry number 122-01-0 with a typical assay of 99%. Formula C7H4Cl2O, molecular weight 175.01 g/mol. Alternative names: PCOC and p-Chlorobenzoly chloride.

In its supplied form it is a colourless to white liquid. Reported physical data include a melting point of 11-14 °C and a density of 1.365 g/mL at 20 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span catalysis and buffer preparation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 500 mL, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Catalysis
Buffer preparation

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Chlorobenzoyl chloride, 99%
Catalogue No.	VQ-009100
CAS Number	122-01-0
IUPAC name	4-chlorobenzoyl chloride
Molecular formula	C₇H₄Cl₂O
Molecular weight	175.01 g/mol
Exact mass	173.9639
Grade	Synthesis
Purity / assay	99%
HSN code	29163990
InChIKey	RKIDDEGICSMIJA-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C(=O)Cl)Cl
PubChem CID	8501

Physical properties
Physical form	Liquid
Appearance	Colourless to white liquid
Melting point	11-14 °C
Density	1.365 g/mL at 20 °C
LogP (XLogP3)	3.6
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
UN number	UN 3265
Synonyms	PCOC, p-Chlorobenzoly chloride, 4-Chlorobenzoic acid chloride, Benzoyl chloride, 4-chloro-, p-Chlorobenzoyl chloride, para-Chlorobenzoyl chloride, Benzoyl chloride, p-chloro-, pChlorobenzoyl chloride, Benzoyl chloride, 4chloro, 4-chloro-benzoyl chloride, 4-Chlorobenzoylchloride, 4-chloro benzoyl chloride

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P264 + P265, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P319, P321, P363, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Chlorobenzoyl chloride, 99%?

The CAS Registry Number of 4-Chlorobenzoyl chloride, 99% is 122-01-0. It is also known as PCOC, p-Chlorobenzoly chloride, 4-Chlorobenzoic acid chloride.

What is the molecular formula and molecular weight of 4-Chlorobenzoyl chloride, 99%?

4-Chlorobenzoyl chloride, 99% has the molecular formula C7H4Cl2O and a molecular weight of 175.01 g/mol. Its IUPAC name is 4-chlorobenzoyl chloride.

Which grade and pack sizes of 4-Chlorobenzoyl chloride, 99% can I order?

We supply 4-Chlorobenzoyl chloride, 99% in Synthesis (99%) grade, in 500 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Chlorobenzoyl chloride, 99%?

Yes. Every lot of 4-Chlorobenzoyl chloride, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Chlorobenzoyl chloride, 99% be shipped internationally?

Yes. 4-Chlorobenzoyl chloride, 99% is classified as hazardous (UN 3265), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.