4-N-Propylbenzenesulfonyl chloride
4-N-Propylbenzenesulfonyl chloride (CAS: 146949-07-7), with the molecular formula CH3CH2CH2C6H4SO2Cl and a molecular weight of 218.70 g/mol, is a reactive organic compound. It serves as a valuable building block in chemical synthesis, particularly in the formation of sulfonamides and other sulfur-containing organic structures. Its utility is primarily in research and development settings for creating novel molecules.

Organic Synthesis Intermediate
4-N-Propylbenzenesulfonyl chloride is employed as a key intermediate in the synthesis of diverse organic molecules. Its sulfonyl chloride group readily reacts with nucleophiles, facilitating the introduction of the n-propylbenzenesulfonyl moiety into target compounds.
Building Block for Sulfonamides
This compound is a useful precursor for the synthesis of various sulfonamide derivatives. These derivatives can find applications in medicinal chemistry research and materials science due to the unique properties imparted by the sulfonyl group.
Reagent in Chemical Research
It functions as a specialized reagent in academic and industrial research laboratories for exploring new chemical transformations and developing novel compounds. Its specific structure allows for targeted functionalization in complex synthetic pathways.
| Molecular weight | 218.70 |
|---|---|
| Linear formula | CH3CH2CH2C6H4SO2Cl |
| Boiling point | 275-276 °C(lit.) |
| Density | 1.223 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5400(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-N-Propylbenzenesulfonyl chloride used for?
+
4-N-Propylbenzenesulfonyl chloride is primarily used as a building block and intermediate in organic synthesis, particularly for creating sulfonamides and other sulfur-containing compounds in research and development.
What is the CAS number and chemical formula for 4-N-Propylbenzenesulfonyl chloride?
+
The CAS number is 146949-07-7 and the chemical formula is CH3CH2CH2C6H4SO2Cl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this compound for research purposes. The specific purity and grade are available upon request; it is not supplied as USP, BP, or EP grade.
How should 4-N-Propylbenzenesulfonyl chloride be handled?
+
Due to its corrosive nature (H314), handling requires appropriate personal protective equipment including face shields, goggles, gloves, and suitable respiratory protection. Avoid contact with skin and eyes, and ensure adequate ventilation.
How is this chemical packed and shipped?
+
This chemical is packaged according to international shipping regulations for hazardous materials (UN 3265, Class 8, PG II). Specific packaging details can be provided upon inquiry.
How can I request a quote or sample?
+
To request a quote or sample of 4-N-Propylbenzenesulfonyl chloride, please contact our sales department via the website or by phone, providing your contact details and intended use.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis