Description

3-Hydroxy-4-Methyl-5-Nitrobenzoic Acid Methyl Ester is a high-purity synthetic organic compound primarily used as a versatile chemical intermediate in advanced synthesis. Its value lies in its multifunctional structure, featuring hydroxyl, nitro, and ester groups, which makes it a key building block for creating more complex molecules. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with nitro-aromatic or benzoate ester functionalities.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents where its substituted benzoic acid structure is incorporated.
• Dye and Pigment Manufacturing: Acts as a key intermediate in the production of complex organic dyes, pigments, and colorants due to its nitro and hydroxyl groups.
• Organic Synthesis & Research: Employed in academic and industrial R&D laboratories as a building block for novel compounds, including ligands, polymers, and materials science applications.
• Fine Chemical Production: Utilized in the manufacture of specialty chemicals, including UV absorbers, polymer additives, and photographic chemicals.

Basic Information

Product Name	3-Hydroxy-4-Methyl-5-Nitrobenzoic Acid Methyl Ester
CAS No.	125229-13-2
Molecular Formula	C9H9NO5
Molecular Weight	211.17 g/mol
Synonyms	Methyl 3-Hydroxy-4-Methyl-5-Nitrobenzoate; 5-Nitro-3-hydroxy-p-toluic Acid Methyl Ester; Benzoic acid, 3-hydroxy-4-methyl-5-nitro-, methyl ester; Methyl 5-nitro-3-hydroxy-4-methylbenzoate; 3-Hydroxy-4-methyl-5-nitro-benzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Hydroxy-4-Methyl-5-Nitrobenzoic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for use as a pharmaceutical and fine chemical intermediate.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be handled and stored accordingly to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines

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