4-Chloro-4′-hydroxybenzophenone 42019-78-3 | Premium Grade | White Crystalline Powder 99 %

Short Description:

Advantage of our 4-Chloro-4′-hydroxybenzophenone 42019-78-3

Ultra-High Purity 99 %: Minimizes side reactions in UV-filter and pharmaceutical API synthesis.
• Low Moisture ≤0.5 %: Protects moisture-sensitive downstream processes such as Grignard reactions.
• Sharp Melting Range 177–182 °C: Guarantees batch-to-batch reproducibility for quality control labs.
• White Crystalline Powder: Excellent flowability for automated powder dosing systems.
• REACH-Pre-Registered: Streamlines regulatory filings across the EU and beyond.


Product Detail

Product Tags

Product introduction

4-Chloro-4′-hydroxybenzophenone is a high-quality fine chemical widely used as an intermediate in the production of advanced materials, specialty coatings, and UV absorbers. With its stable chemical structure and excellent purity, it meets the demanding needs of industries such as pharmaceuticals, plastics, and specialty chemicals. Our product is manufactured under strict quality control to ensure consistent performance, superior purity, and compliance with international standards.

Item

Specification

Product Name 4-Chloro-4′-hydroxybenzophenone
CAS Number 42019-78-3
Appearance White to almost white crystalline powder
Purity 99% min
Loss on Drying 0.5% max
Melting Point 177–182 °C
Molecular Formula C13H9ClO2
Molecular Weight 232.66 g/mol

 

COA 4-Chloro-4′-hydroxybenzophenone

Parameter Specification Typical Result
CAS Number 42019-78-3 Confirmed
Chemical Name 4-Chloro-4′-hydroxybenzophenone
Appearance white to almost white crystalline powder Pass
Purity (HPLC) ≥ 99 % 99.3 %
Loss on Drying ≤ 0.5 % 0.21 %
Melting Point 177–182 °C 179.4 °C
Molecular Formula C₁₃H₉ClO₂
Molecular Weight 232.66 g/mol

 

Applications of 4-chloro-4’-hydroxybenzophenone

UV absorber intermediate

The compound is widely used as a key intermediate in the production of benzophenone-type UV absorbers, which are essential for enhancing the durability of plastics, coatings and cosmetics by preventing UV degradation.

Polymer additives

It enhances the weather resistance and color stability of various polymers, including PVC, PET, and polycarbonate, thereby extending their service life and maintaining their aesthetic qualities.

Coatings and paints

As an essential component of protective coatings, it contributes to the long-lasting performance of paints and finishes, particularly in outdoor applications where exposure to the elements is a concern.

Specialty Chemical Synthesis

This compound plays an important role as a synthetic intermediate for specialty organic compounds and fine chemicals, promoting the development of various industrial applications.

Industry Application

Cosmetics: As a precursor of the broad-spectrum UV absorber BP-4, it enhances the sunscreen effect in cosmetic formulations.

Pharmaceutical: As an intermediate in the synthesis of anti-inflammatory benzophenones, useful in therapeutic formulations.

Agrochemicals: Serves as a basis for the development of photostable crop protection agents to improve the efficacy of agricultural products.

OLED Materials: Used to modify the electron transport layer to enhance the performance of organic light-emitting diode (OLED) technology.

 


  • Previous:
  • Next: