For procurement managers and R&D scientists in the chemical and pharmaceutical industries, sourcing critical raw materials like 4-Sulfo-Phthalic Acid Monosodium Salt (CAS 33562-89-9) is a fundamental aspect of successful operations. This article aims to guide buyers through the process of acquiring this important fine chemical, emphasizing key considerations when looking to buy from China.

Understanding the Product: 4-Sulfo-Phthalic Acid Monosodium Salt

4-Sulfo-Phthalic Acid Monosodium Salt, identified by its CAS number 33562-89-9, is a valuable aromatic compound widely used as a chemical intermediate. Its unique structure makes it an essential component in various synthesis processes, particularly within the pharmaceutical and specialty chemical sectors. When searching for this compound, procurement professionals will often look for synonyms such as Sodium 2-carboxy-4-sulfobenzoate or Monosodium 4-sulfophthalate to broaden their supplier search.

Key Considerations for Buyers

When embarking on the procurement of 4-Sulfo-Phthalic Acid Monosodium Salt, several factors are paramount:

  • Purity and Quality: For pharmaceutical intermediate applications, high purity is non-negotiable. Buyers should always request Certificates of Analysis (CoA) and ensure the manufacturer adheres to strict quality control measures. Working with ISO-certified manufacturers can provide an added layer of assurance.
  • Supply Chain Reliability: For businesses relying on continuous production, a stable supply chain is crucial. Understanding the manufacturer's production capacity, lead times, and their ability to meet fluctuating demand is vital. Working with established suppliers in China can often provide access to large-scale production capabilities.
  • Pricing and Cost-Effectiveness: Obtaining competitive pricing is a primary objective for any B2B purchase. Direct sourcing from manufacturers in China can significantly reduce costs compared to dealing with multiple intermediaries. Requesting quotes from several suppliers will help in negotiating the best possible price.
  • Packaging and Transportation: The appropriate packaging ensures product integrity during transit. Suppliers should offer suitable packaging options, and buyers should clarify Incoterms (e.g., FOB, CFR, CIF) to understand responsibilities regarding shipping and insurance. China's major ports like Shanghai and Qingdao are well-equipped for international export.

Navigating the Chinese Market for Suppliers

China has emerged as a global hub for fine chemical manufacturing. To find reliable manufacturers and suppliers of 4-Sulfo-Phthalic Acid Monosodium Salt, B2B platforms and industry directories are invaluable resources. Look for suppliers who clearly state their production capabilities, quality certifications, and export experience. Engaging directly with manufacturers rather than trading companies can often lead to better pricing and more direct communication regarding product specifications and delivery.

When contacting a potential supplier, be prepared to provide specific details about your requirements, including the CAS number (33562-89-9), the desired quantity, purity level, and intended application. This clarity helps suppliers offer accurate quotes and product recommendations.

The Manufacturer's Advantage: Why Buy Direct?

For companies looking to purchase 4-Sulfo-Phthalic Acid Monosodium Salt, partnering directly with a manufacturer in China offers distinct advantages. These include:

  • Direct access to production expertise.
  • Potentially lower costs due to the elimination of middlemen.
  • Faster communication and resolution of technical queries.
  • Greater transparency in the supply chain.

By conducting thorough research and establishing clear communication channels, businesses can successfully source high-quality 4-Sulfo-Phthalic Acid Monosodium Salt from China, ensuring their R&D and manufacturing processes are well-supported. If you are looking to buy this chemical, consider reaching out to experienced China-based manufacturers for competitive pricing and reliable supply.