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4-Chlorobenzophenone CAS 134-85-0
4-Chlorobenzophenone CAS 134-85-0 is an important intermediate in organic industrial synthesis, medicine and photosensitive material synthesis. 4-chlorobenzophenone is an organic compound with a wide range of uses.
| Item | Specification |
| Melting point | 74-76 °C (lit.) |
| Boiling point | 195-196 °C/17 mmHg (lit.) |
| Density | 1.1459 (rough estimate) |
| Vapor pressure | 0.015Pa at 25℃ |
| Refractive index | 1.5260 |
| Flash point | 143°C |
| LogP | 3.748 at 25℃ |
4-Chlorobenzophenone CAS 134-85-0 is widely used as a key intermediate in pharmaceutical synthesis, pesticide production, dye manufacturing, and UV-curing chemical systems. Due to its stable aromatic ketone structure, it is also applied in the preparation of heat-resistant polymers and photosensitive materials.
Main applications include:
- Pharmaceutical intermediates
- Pesticide and agrochemical synthesis
- Dye and pigment intermediates
- UV-curing materials and photosensitive chemicals
- Organic synthesis of specialty chemicals
- Formulation systems used with photoinitiator products
4-Chlorobenzophenone is often used together with products such as “Photoinitiator EMK”, “Photoinitiator EDB”, and “Methyl Benzoylformate” in UV-curing and photocuring applications.
- Excellent stability in organic synthesis reactions
- Important intermediate for pharmaceutical and pesticide industries
- Good compatibility with UV-curing chemical systems
- Suitable for manufacturing photosensitive materials and specialty chemicals
- Stable physical and chemical properties for industrial production
- Widely used in advanced UV curing chemical solutions
As a professional UV additives manufacturer, Unisunchem provides reliable quality control and stable global supply services for industrial chemical intermediates.
25kg/drum or according to customer requirements.

Q1:What is 4-Chlorobenzophenone used for?
4-Chlorobenzophenone is mainly used as an intermediate in pharmaceuticals, pesticides, dyes, and UV-curing chemical synthesis.
Q2:Is 4-Chlorobenzophenone used in photoinitiator systems?
Yes. It can be used in the synthesis and formulation of UV photoinitiator and photosensitive material systems.
Q3:Can 4-Chlorobenzophenone be used in organic synthesis?
Yes. It is an important aromatic ketone intermediate widely applied in industrial organic synthesis and specialty chemical manufacturing.
Q4:Which products are commonly used together with 4-Chlorobenzophenone?
It is commonly associated with “Photoinitiator EMK”, “Photoinitiator EDB”, and other UV-curing additives in photocuring formulations.
Q5:Why choose Unisunchem as your supplier?
Unisunchem is a professional photoinitiator manufacturer and supplier of UV additives, photoinitiators, UV absorbers, and specialty chemical intermediates.
























