Description

Methyl Hydrogen 4-[(3-Aminophenyl)Hydroxymethyl]Phthalate CAS NO 23843-86-9 is a specialized aromatic ester-amine derivative, serving as a high-value intermediate in advanced chemical synthesis. Its bifunctional structure, featuring both a phthalate ester and a primary aromatic amine, makes it a versatile building block for creating complex molecules with tailored properties. This compound is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and advanced materials sectors for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a phthalate-amine linkage.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators where its aromatic amine group enables specific biological activity.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the production of specialty polyesters, polyamides, and epoxy resins, enhancing thermal stability and mechanical properties.
• Dye & Pigment Manufacturing: Serves as an intermediate for synthesizing azo dyes and complex organic pigments, contributing to color fastness and molecular structure.
• Liquid Crystal & OLED Materials: A potential building block for electronic chemicals used in display technologies due to its rigid, planar aromatic core and functional handles.
• Corrosion Inhibitor Formulation: Incorporated into specialty coatings and additives where its molecular structure can provide chelating and surface-active properties.

Basic Information

Product Name	Methyl Hydrogen 4-[(3-Aminophenyl)Hydroxymethyl]Phthalate
CAS No.	23843-86-9
Molecular Formula	C16H15NO5
Molecular Weight	301.29 g/mol
Synonyms	4-[(3-Aminophenyl)hydroxymethyl]phthalic acid monomethyl ester; Methyl 4-[(3-aminobenzyl)hydroxy]phthalate; 3-Amino-α-hydroxybenzenemethanol 4-(methoxycarbonyl)phthalate; Monomethyl 4-[(3-aminophenyl)(hydroxy)methyl]phthalate; 1-Methoxycarbonyl-4-[(3-aminophenyl)hydroxymethyl]benzene-1,2-dicarboxylate; (3-Aminophenyl)(4-methoxycarbonyl-1,2-dicarboxyphenyl)methanol; Benzoic acid, 4-[(3-aminophenyl)hydroxymethyl]-1,2-dicarboxylic acid 1-methyl ester
EINECS	Contact for details

Quality Control

Our production of Methyl Hydrogen 4-[(3-Aminophenyl)Hydroxymethyl]Phthalate adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability for your critical syntheses. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment. We support compliance with relevant regulatory frameworks, including REACH, and can tailor specifications to meet specific GMP or ISO guidelines for pharmaceutical applications upon request.

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 moisture-sensitive (hygroscopic) and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent oxidation and hydrolysis. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 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.