In the scientific and industrial sectors, the demand for reliable analytical reagents is constant. Pyrocatechol Violet, bearing the CAS number 115-41-3, is a key compound frequently sought after for its critical role as a metal complexometric indicator and pH indicator. For procurement managers and product formulators, understanding where and how to buy this reagent is essential for ensuring both quality and cost-effectiveness. This guide focuses on the benefits of sourcing Pyrocatechol Violet from established Chinese manufacturers and suppliers.
The Indispensable Role of Pyrocatechol Violet
Pyrocatechol Violet, a red-brown crystalline powder, is prized for its ability to form distinct colored complexes with various metal ions. This property makes it invaluable for complexometric titrations, where it signals the precise endpoint of a reaction, thereby ensuring accurate quantitative analysis. Its solubility in water and alcohols further facilitates its use in common laboratory settings. Beyond titration, its pH indicator properties, with transitions typically observed between pH 6.0 and 9.0, add to its versatility, making it a staple in many analytical chemistry workflows.
Ensuring Quality When You Buy Pyrocatechol Violet
The effectiveness of Pyrocatechol Violet hinges on its purity. Factors that can impact its performance include contaminants that might interfere with color changes or complex formation. Therefore, when making a purchase, it is crucial to:
The Advantage of Chinese Chemical Suppliers
China has become a leading global hub for chemical manufacturing, offering a compelling combination of quality and affordability. For Pyrocatechol Violet (CAS 115-41-3), reputable Chinese suppliers, such as NINGBO INNO PHARMCHEM CO.,LTD., provide:
For procurement managers and R&D scientists tasked with acquiring essential chemical reagents, understanding these sourcing advantages empowers informed decision-making. By carefully selecting a supplier that prioritizes quality and offers competitive pricing, you can ensure your laboratory has access to the high-performance Pyrocatechol Violet (CAS 115-41-3) necessary for accurate and reliable analytical results.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.