Description

Benzoic Acid, 5-Amino-2-Hydroxy-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic compound with a CAS number of 155388-93-5, serving as a key intermediate in advanced chemical synthesis. Its value lies in its unique molecular structure, which incorporates both amino and hydroxy functional groups protected by a tert-butyl ester, making it a versatile building block for creating complex molecules. This product is essential for research and development chemists and manufacturers in the pharmaceutical and agrochemical industries who require high-purity intermediates for active ingredient synthesis.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a protected benzoic acid derivative.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Employed in academic and industrial R&D labs for constructing complex organic molecules, leveraging its reactive amino and ester groups.
• Dye and Pigment Intermediate: Acts as a precursor in the manufacture of specialized dyes and colorants, where its aromatic structure is integral.
• Polymer Modification: Can be used to introduce functional groups into polymer chains to alter material properties like adhesion or biocompatibility.
• Chemical Research Standard: Serves as a reference standard or starting material in methodological development and analytical chemistry.

Basic Information

Product Name	Benzoic Acid, 5-Amino-2-Hydroxy-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	155388-93-5
Molecular Formula	C12H17NO3
Molecular Weight	223.27 g/mol
Synonyms	5-Amino-2-hydroxybenzoic acid tert-butyl ester; tert-Butyl 5-amino-2-hydroxybenzoate; 2-Hydroxy-5-aminobenzoic acid 1,1-dimethylethyl ester; 3-(tert-Butoxycarbonyl)-4-aminophenol; 4-Amino-2-(tert-butoxycarbonyl)phenol; Benzoic acid, 5-amino-2-hydroxy-, tert-butyl ester; tert-Butyl 4-amino-2-hydroxybenzoate
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 5-Amino-2-Hydroxy-, 1,1-Dimethylethyl Ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures batch-to-batch consistency and reliability for your R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to minimize exposure to atmospheric humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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