Applications
4-Nitrobenzoic acid is a classic aromatic carboxylic acid with nitro and carboxyl groups on the para position, featuring high chemical reactivity for reduction, esterification, amidation and substitution reactions. It is an indispensable fine chemical intermediate widely used in organic synthesis for preparing various aromatic derivatives and heterocyclic compounds. In pharmaceutical industry, it is applied to synthesize antibacterial, anti-inflammatory, analgesic and cardiovascular drug intermediates, also used for the preparation of drug modifiers and raw materials for new pharmaceutical development.
In agrochemicals, it serves as key intermediate for manufacturing high-efficiency fungicides, herbicides and plant growth regulators. It is also largely used in dye and pigment industry for the production of azo dyes, organic pigments and colorant intermediates. Besides, it acts as laboratory analytical reagent, raw material for organic synthetic methodology research and standard substance for chromatographic analysis.
Safety Information
This compound is irritating to skin, eyes and respiratory tract. Direct skin contact may cause redness, itching and mild inflammatory discomfort; long-term repeated exposure may trigger allergic skin reaction. Eye contact will lead to severe irritation, conjunctival congestion and tearing, which needs immediate and thorough rinsing with plenty of clean water. Inhalation of dust can stimulate nasal and bronchial mucosa, causing throat dryness, cough and chest discomfort, especially unfavorable to people with respiratory allergies. Accidental ingestion may induce nausea, stomachache and other mild gastrointestinal symptoms.
The product has certain toxicity to aquatic organisms and should be strictly prevented from entering water bodies, sewage and soil environment. During handling, operate in a well-ventilated fume hood, wear protective nitrile gloves, chemical safety goggles and dust mask. Keep away from strong oxidants, strong alkalis and high-temperature heat sources. Store hermetically under dry and cool condition. Waste residues and empty containers must be disposed in accordance with hazardous chemical waste regulations to avoid environmental pollution and potential health risks.
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