Description

Benzoic Acid, 3-Amino-4-Hydroxy-, 1,1-Dimethylethyl Ester (9Ci) is a specialized aromatic ester derivative of benzoic acid, serving as a crucial synthetic intermediate. Its value lies in the functional groups that enable its use in constructing more complex molecules, particularly in advanced pharmaceutical and agrochemical synthesis. This compound is essential for R&D chemists and process development scientists in the fine chemical, pharmaceutical, and life science industries seeking to develop new active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Precursor: Serves as a starting material for synthesizing specialized azo dyes and high-performance pigments.
• Polymer Chemistry: Can be incorporated as a functional monomer or additive to modify polymer properties like UV stability or biocompatibility.
• Chemical Research: Valuable reference standard and reagent in academic and industrial laboratories for methodological development.
• Fine Chemical Production: Intermediate for manufacturing other specialty chemicals with applications in electronics and material science.

Basic Information

Item	Detail
Product Name	Benzoic Acid, 3-Amino-4-Hydroxy-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	273939-23-4
Molecular Formula	C11H15NO3
Molecular Weight	209.24 g/mol
Synonyms	3-Amino-4-hydroxybenzoic acid tert-butyl ester; tert-Butyl 3-amino-4-hydroxybenzoate; 4-Hydroxy-3-aminobenzoic acid 1,1-dimethylethyl ester; Benzoic acid, 3-amino-4-hydroxy-, 1,1-dimethylethyl ester; 3-Amino-4-hydroxy-benzoic acid tert-butyl ester; tert-Butyl 4-hydroxy-3-aminobenzoate; (3-Amino-4-hydroxyphenyl)carboxylic acid tert-butyl ester
EINECS	Contact for details

Quality Control

Every batch of our Benzoic Acid, 3-Amino-4-Hydroxy-, 1,1-Dimethylethyl Ester (9Ci) is produced under a strict quality management system. We employ advanced analytical techniques including HPLC, GC, and NMR to ensure identity, purity, and consistency meet the high standards required for synthetic intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (HPLC, Area %)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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