Description

4-tert-Butyl-3'-Chlorobenzophenone is a specialized organic compound belonging to the benzophenone class, characterized by its tert-butyl and chloro substituents which impart unique steric and electronic properties. This compound serves as a crucial advanced pharmaceutical intermediate (API intermediate) and a versatile building block in fine chemical synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and material science industries for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and anti-inflammatory drugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides and pesticides, where its structural motif contributes to biological activity.
• Photoinitiator & UV Absorber Precursor: Serves as a precursor in the manufacture of photoinitiators for inks, coatings, and adhesives, and UV stabilizers for polymers.
• Liquid Crystal & OLED Material Intermediate: Employed in the synthesis of organic electronic materials for displays and lighting applications.
• Organic Synthesis Building Block: Utilized in cross-coupling reactions and other organic transformations to create complex molecular architectures for research and development.
• Dye & Pigment Intermediate: Acts as a key component in the synthesis of specialty dyes and high-performance pigments.

Basic Information

Item	Detail
Product Name	4-tert-Butyl-3'-Chlorobenzophenone
CAS No.	93977-28-7
Molecular Formula	C17H17ClO
Molecular Weight	272.77 g/mol
Synonyms	3'-Chloro-4-tert-butylbenzophenone; 4-(tert-Butyl)-3'-chlorobenzophenone; (3-Chlorophenyl)(4-tert-butylphenyl)methanone; 1-(tert-Butyl)-4-(3-chlorobenzoyl)benzene; 4-tert-Butyl-3-chlorobenzophenone (common misnomer); 3'-Chloro-4'-tert-butylbenzophenone; 4-tert-Butyl-meta-chlorobenzophenone
EINECS	Contact for details

Quality Control

Our 4-tert-Butyl-3'-Chlorobenzophenone is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency that meets the stringent requirements of pharmaceutical and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	88 - 92 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.