3,4′-Dichloropropiophenone
3,4′-Dichloropropiophenone (CAS: 3946-29-0) is an organic compound with the linear formula ClC<sub>6</sub>H<sub>4</sub>COCH<sub>2</sub>CH<sub>2</sub>Cl and a molecular weight of 203.07 g/mol. As a chlorinated propiophenone derivative, it serves as a valuable building block in organic synthesis. Its ketone and aromatic functionalities make it useful for further chemical modifications in the development of various chemical entities.
- Synonyms
- ClC6H4COCH2CH2Cl3',4'-Dichloropropiophenone

Organic Synthesis Intermediate
This compound functions as a versatile intermediate in the synthesis of more complex organic molecules. Its structure allows for various chemical transformations, making it valuable in research and development settings.
Pharmaceutical Intermediate Development
3,4′-Dichloropropiophenone can be employed in the synthetic routes towards novel pharmaceutical agents. Its specific structural features are amenable to incorporation into drug discovery programs.
Research Chemical
Utilised in academic and industrial research laboratories, this chemical is employed for exploring new synthetic methodologies and creating novel compounds.
| Molecular weight | 203.07 |
|---|---|
| Linear formula | ClC6H4COCH2CH2Cl |
| Assay | 95% |
| Boiling point | 135-137 °C/0.6 mmHg(lit.) |
| Melting point | 48-51 °C(lit.) |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 |
|---|---|
| Flash point | 81 °C / 177.8 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-36/37 |
| Safety statements (S) | 23-26-27-36/37/39-45 |
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 3,4′-Dichloropropiophenone primarily used for?
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3,4′-Dichloropropiophenone is primarily used as an intermediate and building block in organic synthesis, particularly in the development of new chemical entities and pharmaceutical research.
What is the CAS number and molecular formula for 3,4′-Dichloropropiophenone?
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The CAS number for 3,4′-Dichloropropiophenone is 3946-29-0, and its linear formula is ClC<sub>6</sub>H<sub>4</sub>COCH<sub>2</sub>CH<sub>2</sub>Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4′-Dichloropropiophenone with an assay of 95%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,4′-Dichloropropiophenone be handled safely?
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3,4′-Dichloropropiophenone is classified as corrosive and may cause severe skin burns and eye damage. It can also cause respiratory irritation. Handle with appropriate personal protective equipment, including safety goggles, face shields, gloves, and respiratory protection. Ensure adequate ventilation.
Is 3,4′-Dichloropropiophenone a controlled substance?
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The provided data does not indicate that 3,4′-Dichloropropiophenone is a controlled substance.
How is this chemical packed and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging for international shipment, adhering to all relevant transport regulations for hazardous materials like UN 3261, Class 8, PG II.
How can I request a quote or sample for 3,4′-Dichloropropiophenone?
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To request a quote or sample for 3,4′-Dichloropropiophenone, please contact our sales department via the website or direct inquiry channels.
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