2-nitrobenzoic acid

2-Nitrobenzoic acid (CAS 552-16-9 ), also known as o-nitrobenzoic acid, is an aromatic nitro compound used as a key building block in the synthesis of pharmaceutical intermediates and specialty chemicals.

Its reactive carboxyl and nitro groups make it a practical starting material for multi-step organic synthesis across several industrial sectors. In pharmaceutical manufacturing, it serves as a precursor.

It is used in the production of anthranilic acid derivatives, dyes, and active pharmaceutical ingredients requiring ortho-substituted benzoic acid frameworks. Pigment and colorant producers use it as an intermediate.

This chemical is essential in synthesizing azo dyes and other chromophoric structures for textile and industrial coating applications. In personal care formulations, it contributes to preservation systems.

It is also utilized for pH buffering where aromatic acid chemistry is required. Specialty chemical manufacturers apply it in surface modification agents and wetting formulations where controlled acidity is needed.

The aromatic character of this compound influences substrate interaction significantly. 2-Nitrobenzoic acid is supplied as an off-white to pale yellow crystalline powder for various industrial uses.

Technical grade is the standard commercial offering, with pharmaceutical-grade material available for regulated synthesis applications. Bulk quantities are typically offered in fiber drums or multi-layer bags.

Smaller packaging is available for laboratory and pilot-scale procurement. This ensures flexibility for both large-scale manufacturing and specialized research and development projects within the industry.

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