Description

Benzoic Acid, 5-(1,1-Dimethylethyl)-2-Hydroxy-, Ethyl Ester is a specialized organic ester derivative of benzoic acid, featuring a tert-butyl group and a phenolic hydroxyl group. This compound is valued for its role as a versatile chemical intermediate and a potential stabilizer or functional additive in high-performance formulations. It is primarily sought by manufacturers in the polymer, specialty chemical, and advanced material sectors. Its unique structure offers opportunities for modification and incorporation into products requiring specific steric and electronic properties.

Application

• Polymer Additive: Acts as a light stabilizer or antioxidant in plastics and synthetic resins to enhance durability.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex organic molecules, including pharmaceuticals and agrochemicals.
• UV Absorber Precursor: Used in the development of advanced ultraviolet (UV) filters for coatings and personal care products.
• Specialty Coatings: Incorporated into formulations to improve the chemical resistance and weatherability of industrial and automotive coatings.
• Lubricant & Fuel Additive: Functions as a stabilizer or performance modifier in synthetic lubricants and specialty fuel formulations.
• Research & Development: Employed in academic and industrial R&D for studying structure-activity relationships and developing new materials.

Basic Information

Product Name	Benzoic Acid, 5-(1,1-Dimethylethyl)-2-Hydroxy-, Ethyl Ester
CAS No.	187273-01-4
Molecular Formula	C13H18O3
Molecular Weight	222.28 g/mol
Synonyms	Ethyl 3-tert-butyl-4-hydroxybenzoate; 4-Hydroxy-3-tert-butylbenzoic Acid Ethyl Ester; 3-tert-Butyl-4-hydroxybenzoic Acid Ethyl Ester; Ethyl 4-Hydroxy-3-tert-butylbenzoate; Benzoic acid, 3-(1,1-dimethylethyl)-4-hydroxy-, ethyl ester; Ethyl 3-(tert-butyl)-4-hydroxybenzoate; AO-EB; Antioxidant EB
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 5-(1,1-Dimethylethyl)-2-Hydroxy-, Ethyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to prevent contamination.

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%

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