For any chemical compound used in cosmetics, purity is not merely a specification; it's a cornerstone of safety, efficacy, and product consistency. This is particularly true for hair dye intermediates like 2,5-Diaminotoluene Sulfate (CAS 615-50-9). As a specialist supplier of cosmetic raw materials, we emphasize the critical importance of sourcing high-purity intermediates to ensure the success of your hair dye formulations.

Why Purity Matters for 2,5-Diaminotoluene Sulfate

2,5-Diaminotoluene Sulfate serves as a primary intermediate in the creation of permanent hair dyes. Its function is to act as a dye precursor that, when oxidized, forms colored molecules within the hair shaft. The purity of this intermediate directly influences:

  • Color Accuracy and Vibrancy: Impurities can lead to off-shades, reduced color intensity, or unpredictable color development. High purity ensures that the intended color is achieved with maximum vibrancy.
  • Formulation Stability: Impurities can sometimes react with other ingredients in a cosmetic formulation, leading to degradation, color changes, or a reduced shelf life. A pure intermediate provides a stable base for your product.
  • Safety and Regulatory Compliance: Cosmetic ingredients are subject to strict safety regulations. Using intermediates with known and controlled impurity profiles is essential for meeting these standards and ensuring consumer safety. We understand that when you buy 2,5-Diaminotoluene Sulfate, you expect it to be safe and compliant.
  • Predictable Performance: High-purity hair dye intermediates guarantee that each batch of your product will perform consistently. This predictability is vital for maintaining brand quality and customer trust.

Specifications You Should Look For

When sourcing 2,5-Diaminotoluene Sulfate, pay close attention to the specifications provided by the 2,5-Diaminotoluene Sulfate manufacturer. Key indicators of quality include:

  • Assay (Purity): Look for assays of ≥99.5% by HPLC. This confirms the concentration of the active compound.
  • Ash Content: A low ash content (e.g., ≤0.2%) indicates minimal inorganic impurities.
  • Loss on Drying: Low moisture content (e.g., ≤0.2%) is important for product stability and accurate weighing during formulation.
  • Heavy Metals and Iron Content: Limits on heavy metals (≤10ppm) and iron (≤20ppm) are crucial for cosmetic ingredient safety.

Partner with a Quality-Focused Supplier

As a dedicated hair dye intermediate manufacturer, we prioritize the purity and quality of our 2,5-Diaminotoluene Sulfate. We understand that our clients, whether they are R&D scientists or procurement managers, rely on consistent, high-performance materials. We invite you to inquire about our products and learn more about how our commitment to quality can benefit your hair dye formulations. Contact us today to discuss your needs and obtain a competitive 2,5-Diaminotoluene Sulfate price.