Description

5-Nitro-L,3-Benzenediol is a specialized nitro-substituted aromatic diol with the CAS number 20734-70-7. This compound serves as a versatile and critical chemical intermediate in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. Its unique structure makes it valuable for researchers and manufacturers developing active ingredients, dyes, and advanced materials who require high-purity building blocks with reliable supply chain integrity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with nitro-aromatic backbones.
• Agrochemical Synthesis: Used in the research and production of herbicides, pesticides, and fungicides, leveraging its reactive nitro and hydroxyl groups.
• Dye and Pigment Manufacturing: Acts as a starting material for the production of azo dyes and other complex colorants.
• Chemical Research & Development: Serves as a valuable building block in organic synthesis for creating novel compounds in academic and industrial R&D labs.
• Polymer Modification: Can be utilized to introduce nitro-functional groups into polymer chains, altering material properties.
• Photographic Chemicals: Potential use in the formulation of specialized light-sensitive compounds.

Basic Information

Product Name	5-Nitro-L,3-Benzenediol
CAS No.	20734-70-7
Molecular Formula	C6H5NO5
Molecular Weight	171.10 g/mol
Synonyms	5-Nitroresorcinol; 1,3-Dihydroxy-5-nitrobenzene; 5-Nitro-1,3-benzenediol; 5-Nitroresorcin; NSC 403697; 5-Nitrobenzene-1,3-diol
EINECS	244-045-7

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity. Our products undergo comprehensive testing, including identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing specific results for parameters such as purity (by HPLC), residual solvents, and heavy metals is provided with each shipment and is available upon request.

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 incompatible materials such as strong oxidizing agents and strong bases. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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