Description

Benzoic Acid, 4-(1,1-Dimethylethyl)-3-Ethyl- (9Ci) is a substituted benzoic acid derivative, a versatile organic intermediate prized for its sterically hindered phenolic structure. This compound is crucial for synthesizing advanced materials and fine chemicals where specific spatial configuration and stability are required. It is primarily sought by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and polymer sectors for developing novel active ingredients and performance additives.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for creating molecules with enhanced metabolic stability.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators, leveraging its substituted aromatic core.
• Polymer Additive Precursor: Acts as a starting material for manufacturing light stabilizers, antioxidants, and other performance additives for plastics and coatings.
• Liquid Crystal & OLED Materials: Employed in the development of organic electronic materials due to its potential for modifying electronic properties and molecular alignment.
• Fine Chemical Synthesis: A valuable intermediate in custom and specialty chemical synthesis for research and small-scale production runs.
• Cross-Coupling Reactions: Utilized in palladium-catalyzed reactions (e.g., Suzuki, Heck) as a functionalized aryl component to construct complex biaryl structures.

Basic Information

Item	Details
Product Name	Benzoic Acid, 4-(1,1-Dimethylethyl)-3-Ethyl- (9Ci)
CAS No.	521957-13-1
Molecular Formula	C13H18O2
Molecular Weight	206.28 g/mol
Synonyms	3-Ethyl-4-tert-butylbenzoic acid; 4-tert-Butyl-3-ethylbenzoic acid; 3-Ethyl-4-(1,1-dimethylethyl)benzoic acid; 4-(tert-Butyl)-3-ethylbenzoic acid; Benzoic acid, 3-ethyl-4-(1,1-dimethylethyl)-; 3-Ethyl-4-(2-methyl-2-propanyl)benzoic acid; 4-(tert-Butyl)-3-ethyl-benzoic acid
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 4-(1,1-Dimethylethyl)-3-Ethyl- (9Ci) is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical specifications. We support cGMP and ISO 9001 compliance for relevant applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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