In the vast world of chemical compounds, specific CAS (Chemical Abstracts Service) numbers serve as unique identifiers, crucial for accurate sourcing, research, and regulatory compliance. CAS 4433-79-8 refers to 4'-Chloro-2',5'-dimethoxyacetoacetanilide, a significant intermediate with diverse industrial applications, particularly in the realm of colorants.

What is CAS 4433-79-8?

4'-Chloro-2',5'-dimethoxyacetoacetanilide is an organic compound characterized by its molecular formula C12H14ClNO4 and a molecular weight of approximately 271.70 g/mol. It typically appears as an off-white to light yellow powder. Its chemical structure makes it a valuable precursor in the synthesis of various organic pigments and as an intermediate in azoic dyeing processes for cotton textiles.

Key Properties and Applications

Understanding the properties of CAS 4433-79-8 is essential for its effective use:

  • Purity: Commonly available with a minimum purity of 99.5%, ensuring high-quality outcomes in downstream applications.
  • Melting Point: Typically reported in the range of 102-104°C.
  • Primary Use: It is a crucial intermediate for the manufacture of organic pigments, contributing to color intensity and stability.
  • Textile Application: Used as an Azoic Coupling Component (like Naphthol AS-IRG or C.I. 37613) in the dyeing and printing of cotton fabrics, providing bright shades with good fastness properties.
  • Preparation: Synthesized through the condensation of 4-Chloro-2,5-dimethoxybenzenamine with Ethyl 3-oxobutanoate or related compounds.

How to Buy CAS 4433-79-8 from Reliable Suppliers

For chemical buyers and researchers, sourcing CAS 4433-79-8 requires diligence. When looking to purchase this intermediate, especially in bulk, consider the following:

  • Source from Manufacturers: Directly engaging with manufacturers, such as NINGBO INNO PHARMCHEM CO., LTD., based in China, offers the advantage of competitive pricing and direct quality control.
  • Verify Specifications: Always confirm the purity, CAS number, and recommended applications to ensure the product meets your exact requirements.
  • Request Documentation: Obtain Safety Data Sheets (SDS) and Certificates of Analysis (COA) for each batch to ensure safety and quality compliance.
  • Consider Lead Times: Understand the supplier's production and shipping schedules to manage your inventory effectively.

CAS 4433-79-8 is a testament to the intricate chemistry that underpins many everyday products. By understanding its properties and sourcing it responsibly from qualified manufacturers, businesses can ensure the quality and efficacy of their pigment and textile applications.

We are a dedicated supplier of 4'-Chloro-2',5'-dimethoxyacetoacetanilide (CAS 4433-79-8). Contact us for a quote and to learn more about integrating this essential chemical into your production processes.