4-Isopropylbenzenesulfonyl chloride
4-Isopropylbenzenesulfonyl chloride (CAS 54997-90-9) is an organic compound with the linear formula (CH3)2CHC6H4SO2Cl and a molecular weight of 218.70 g/mol. This sulfonyl halide serves as a versatile building block in organic synthesis. It is a key intermediate for the preparation of various organic molecules, particularly in the field of chemical synthesis and for creating more complex structures. Its reactive nature makes it valuable for introducing the isopropylbenzenesulfonyl group.

Organic Synthesis Intermediate
Used as a building block in the synthesis of complex organic molecules. Its sulfonyl chloride functional group readily reacts with nucleophiles, enabling the formation of sulfonamides, sulfonates, and other sulfur-containing compounds.
Reagent in Chemical Research
Employed in laboratory settings for developing new synthetic pathways and investigating novel chemical transformations. Useful for derivatization and functionalization in research and development projects.
Preparation of Specialty Chemicals
Can be utilized in the production of fine chemicals and intermediates for various industries. Its structure lends itself to the synthesis of targeted compounds with specific properties.
| Molecular weight | 218.70 |
|---|---|
| Linear formula | (CH3)2CHC6H4SO2Cl |
| Density | 1.220 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5410(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 | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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-Isopropylbenzenesulfonyl chloride used for?
+
4-Isopropylbenzenesulfonyl chloride (CAS 54997-90-9) is primarily used as a building block and intermediate in organic synthesis and chemical research for the preparation of various organic molecules.
What are the CAS number and chemical formula for 4-Isopropylbenzenesulfonyl chloride?
+
The CAS number is 54997-90-9 and the linear formula is (CH3)2CHC6H4SO2Cl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Isopropylbenzenesulfonyl chloride as a technical or research grade chemical. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards unless explicitly stated in the product specifications.
How should 4-Isopropylbenzenesulfonyl chloride be handled safely?
+
This compound is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, faceshields, chemical-resistant gloves, and respiratory protection, must be used. Handle only in well-ventilated areas and follow all safety precautions.
How is 4-Isopropylbenzenesulfonyl chloride packed and shipped?
+
4-Isopropylbenzenesulfonyl chloride is shipped as UN 3265, Hazard Class 8, Packing Group II, adhering to strict regulations for the transport of hazardous materials.
How can I request a sample or quote for 4-Isopropylbenzenesulfonyl chloride?
+
To request a sample or a quote for 4-Isopropylbenzenesulfonyl chloride, please contact our sales department via the website or by telephone.
▶ 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