p-Chlorobenzoic acid, 99%

About p-Chlorobenzoic acid, 99%

p-Chlorobenzoic acid is a carboxylic acid in Synthesis grade carrying the CAS registry number 74-11-3 with a typical assay of 99%. Formula C7H5ClO2, molecular weight 156.56 g/mol. The IUPAC name is 4-chlorobenzoic acid. It is also known as PCBA or Benzoic acid, 4-chloro-.

In its supplied form it is white to off-white to light yellow powder or crystalline flakes. Key physical data: a melting point of 74-76 °C and a boiling point of 195-196 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer p-Chlorobenzoic acid in 100 g, 500 g, 5 kg and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Chlorobenzoic acid, 99%
Catalogue No.	VQ-008565
CAS Number	74-11-3
IUPAC name	4-chlorobenzoic acid
Molecular formula	C₇H₅ClO₂
Molecular weight	156.56 g/mol
Exact mass	155.9978
Grade	Synthesis
Purity / assay	99%
HSN code	29163190
InChIKey	XRHGYUZYPHTUJZ-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C(=O)O)Cl
PubChem CID	6318

Physical properties
Physical form	Flakes
Appearance	White to off-white to light yellow powder or crystalline flakes
Melting point	74-76 °C
Boiling point	195-196 °C
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	PCBA, Benzoic acid, 4-chloro-, Chlorodracylic acid, p-Chlorbenzoic acid, para-Chlorobenzoic acid, Benzoic acid, p-chloro-, p-Carboxychlorobenzene, Acido p-clorobenzoico, 4-chloro benzoic acid, 4-Chlorobenzoicacid, S3 (4-chlorobenzoic acid), 4-Chlorobenzoic acid, 99%

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, 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 p-Chlorobenzoic acid, 99%?

The CAS Registry Number of p-Chlorobenzoic acid, 99% is 74-11-3. It is also known as PCBA, Benzoic acid, 4-chloro-, Chlorodracylic acid.

What is the molecular formula and molecular weight of p-Chlorobenzoic acid, 99%?

p-Chlorobenzoic acid, 99% has the molecular formula C7H5ClO2 and a molecular weight of 156.56 g/mol. Its IUPAC name is 4-chlorobenzoic acid.

Which grade and pack sizes of p-Chlorobenzoic acid, 99% can I order?

We supply p-Chlorobenzoic acid, 99% in Synthesis (99%) grade, in 100 g, 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Chlorobenzoic acid, 99%?

Yes. Every lot of p-Chlorobenzoic acid, 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 p-Chlorobenzoic acid, 99% be shipped internationally?

Yes. p-Chlorobenzoic acid, 99% is classified as hazardous, 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.