For professionals in the chemical and pharmaceutical industries, a thorough understanding of product specifications is fundamental to successful procurement and application. 2-Methyl-3-nitrobenzoic Acid (CAS 1975-50-4) is a compound whose utility is directly linked to its precise properties and quality. This article aims to provide a detailed overview of its characteristics, helping purchasing managers, R&D scientists, and formulators make informed decisions when they need to buy this intermediate.

Physical Appearance: The First Impression

The visual presentation of a chemical can be a first indicator of its quality. 2-Methyl-3-nitrobenzoic Acid is typically described as a white to light yellow crystalline powder or fine needles. This appearance is consistent across various reputable manufacturers and suppliers. Any significant deviation from this could warrant further investigation into the product's purity or handling history.

Key Physical and Chemical Properties

  • CAS Number: 1975-50-4 – This unique identifier is crucial for accurate product identification in databases and regulatory documentation.
  • Molecular Formula: C8H7NO4 – This formula dictates the atomic composition of the molecule.
  • Molecular Weight: Approximately 181.15 g/mol – Important for stoichiometric calculations in synthesis.
  • Melting Point: The melting point is a critical specification, typically ranging from 182°C to 185°C (lit.). A sharp melting range is often indicative of high purity. Some sources cite a higher range, like 360-363°F, which converts to approximately 182-183.9°C.
  • Solubility: While specific solubility data can vary, it is generally considered poorly soluble in water but soluble in common organic solvents, which is typical for such aromatic compounds.
  • Purity: This is perhaps the most important specification for end-users. High-quality 2-Methyl-3-nitrobenzoic Acid is usually supplied with a purity of ≥98.00% or ≥99.00%, often determined by High-Performance Liquid Chromatography (HPLC). Different grades may be available depending on the application's sensitivity to impurities.

Standard Specifications and Packaging

When you decide to purchase 2-Methyl-3-nitrobenzoic Acid, you'll commonly encounter specifications related to its handling and packaging. Standard packaging often includes 25kg/drum or 25kg/bag, suitable for both laboratory and industrial scales. Minimum order quantities (MOQ) can range, but 25kg is a frequent benchmark for commercial orders. Customers often have the option to request specific packaging or delivery terms from their supplier.

Why These Specifications Matter to Buyers

Purchasing managers and R&D scientists rely on these specifications to:

  • Ensure Reaction Success: High purity and consistent melting points are vital for predictable reaction outcomes in complex synthesis.
  • Meet Regulatory Requirements: Pharmaceutical applications demand strict adherence to purity standards.
  • Optimize Cost-Effectiveness: Understanding the available grades and packaging options helps in selecting the most economical choice for their specific needs.
  • Facilitate Logistics: Standardized packaging simplifies handling and storage.

Finding a Reliable Source in China

For consistent quality and competitive pricing, many global buyers turn to Chinese chemical manufacturers and suppliers. Companies like NINGBO INNO PHARMCHEM CO., LTD. specialize in providing fine chemicals with detailed specifications and reliable documentation. When inquiring, always request the Certificate of Analysis (CoA) to verify the product meets your precise requirements. This ensures that when you buy 2-Methyl-3-nitrobenzoic Acid, you are getting a product that aligns with your quality expectations.