4-Sulfo-Phthalic Acid Monosodium Salt (CAS 33562-89-9) is a versatile compound that plays a significant role in various industrial applications, particularly in the realms of pharmaceutical intermediates and general chemical synthesis. As a critical building block, understanding its applications is essential for R&D scientists and procurement managers looking to leverage its properties.

Core Applications and Significance

The chemical structure of 4-Sulfo-Phthalic Acid Monosodium Salt, featuring both sulfonic acid and carboxylic acid functionalities on an aromatic ring, lends itself to a variety of chemical reactions and functionalizations. This makes it a valuable intermediate for synthesizing more complex molecules.

1. Pharmaceutical Intermediates:

One of the primary applications for 4-Sulfo-Phthalic Acid Monosodium Salt is as a precursor or intermediate in the synthesis of Active Pharmaceutical Ingredients (APIs). The introduction of the sulfonate group can modify the solubility, pharmacokinetic properties, and overall efficacy of potential drug candidates. Pharmaceutical companies often source this compound from reliable China manufacturers to ensure high purity and consistent supply for their drug development pipelines.

When used in pharmaceutical synthesis, the quality and reliability of the supplier are paramount. Buyers should look for manufacturers that can provide detailed documentation regarding purity, impurity profiles, and adherence to Good Manufacturing Practices (GMP) if applicable.

2. Chemical Synthesis Reagent:

Beyond pharmaceuticals, 4-Sulfo-Phthalic Acid Monosodium Salt serves as a key reagent in a broader spectrum of organic synthesis. It can be employed in:

  • Dye Synthesis: The sulfonate group can impart water solubility to dyes, making them suitable for textile applications.
  • Polymer Modification: It can be incorporated into polymers to enhance properties such as hydrophilicity, ion-exchange capacity, or flame retardancy.
  • Specialty Chemicals: It is used in the creation of various specialty organic chemicals that find applications in diverse industries.

Researchers in academic and industrial laboratories often purchase this compound for experimental synthesis, exploring new reaction pathways and novel molecular structures. Sourcing from reputable China suppliers ensures that researchers have access to quality materials for their experiments.

3. Research and Development:

The unique chemical characteristics of 4-Sulfo-Phthalic Acid Monosodium Salt make it an interesting subject for ongoing research. Its functional groups can be modified or utilized in novel catalytic processes, material science applications, and the development of new functional chemicals. Laboratories looking to buy this compound for R&D purposes can find numerous suppliers in China offering various quantities, from research-scale grams to pilot-scale kilograms.

Sourcing Strategies for Buyers

For businesses and researchers looking to procure 4-Sulfo-Phthalic Acid Monosodium Salt, the following sourcing strategies are recommended:

  • Identify Reputable China Manufacturers: Utilize B2B platforms and chemical directories to find established manufacturers and suppliers. Look for those with detailed product specifications, clear contact information, and a history of reliable service.
  • Request Detailed Specifications: Ensure the product meets your specific needs regarding purity, CAS number (33562-89-9), and any other critical parameters.
  • Inquire about Pricing and MOQ: Obtain quotes for the required quantities, paying attention to minimum order quantities (MOQ) and potential bulk discounts.
  • Confirm Logistics and Payment Terms: Clarify shipping options, delivery times, and acceptable payment methods to ensure a smooth transaction.

By understanding the applications and employing effective sourcing strategies, professionals can confidently acquire 4-Sulfo-Phthalic Acid Monosodium Salt to drive innovation and production in their respective fields.