p-Chlorobenzenesulphonic acid, 90%

Name: p-Chlorobenzenesulphonic acid, 90%
Brand: Vaqora Chemicals
SKU: VQ-010923

About p-Chlorobenzenesulphonic acid, 90%

p-Chlorobenzenesulphonic acid is an organosulfur compound (Synthesis grade) carrying the CAS registry number 98-66-8 with a typical assay of 90%. Formula C6H5ClO3S, molecular weight 192.62 g/mol. Its systematic (IUPAC) name is 4-chlorobenzenesulfonic acid. It is also known as p-Chlorobenzenesulfonic acid or Benzenesulfonic acid, 4-chloro-.

The material typically appears as white to tan granules, chips or crystals. Literature values give a boiling point of 149 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 25 g, 500 g, 5 kg and 4 x 25 kg packs, p-Chlorobenzenesulphonic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Chlorobenzenesulphonic acid, 90%
Catalogue No.	VQ-010923
CAS Number	98-66-8
IUPAC name	4-chlorobenzenesulfonic acid
Molecular formula	C₆H₅ClO₃S
Molecular weight	192.62 g/mol
Exact mass	191.9648
Grade	Synthesis
Purity / assay	90%
HSN code	29420090
InChIKey	RJWBTWIBUIGANW-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1S(=O)(=O)O)Cl
PubChem CID	7400

Physical properties
Physical form	Granules
Appearance	White to tan granules, chips or crystals
Boiling point	149 °C
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 3
TPSA	62.8 Å²
UN number	UN 2583
Synonyms	p-Chlorobenzenesulfonic acid, Benzenesulfonic acid, 4-chloro-, 4-Chlorobenzenesulphonic acid, p-Chlorophenylsulfonic acid, Benzenesulfonic acid, p-chloro-, 4-11-00-00107 (Beilstein Handbook Reference), 4-chlorobenzene-1-sulfonic acid, 4-Chloro-benzenesulfonic acid, 4-Chlorobenzenesulfonicacid, p-chlorobenzene sulfonic acid, 4-chloranylbenzenesulfonic acid, 4-Chlorobenzenesulfonic acid, technical grade, 90%

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary statements: P260, P264, P264 + P265, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P363, 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-Chlorobenzenesulphonic acid, 90%?

The CAS Registry Number of p-Chlorobenzenesulphonic acid, 90% is 98-66-8. It is also known as p-Chlorobenzenesulfonic acid, Benzenesulfonic acid, 4-chloro-, 4-Chlorobenzenesulphonic acid.

What is the molecular formula and molecular weight of p-Chlorobenzenesulphonic acid, 90%?

p-Chlorobenzenesulphonic acid, 90% has the molecular formula C6H5ClO3S and a molecular weight of 192.62 g/mol. Its IUPAC name is 4-chlorobenzenesulfonic acid.

Which grade and pack sizes of p-Chlorobenzenesulphonic acid, 90% can I order?

We supply p-Chlorobenzenesulphonic acid, 90% in Synthesis (90%) grade, in 25 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-Chlorobenzenesulphonic acid, 90%?

Yes. Every lot of p-Chlorobenzenesulphonic acid, 90% 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-Chlorobenzenesulphonic acid, 90% be shipped internationally?

Yes. p-Chlorobenzenesulphonic acid, 90% is classified as hazardous (UN 2583), 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.