For professionals in the fine chemical and pharmaceutical sectors, the acquisition of high-purity raw materials is a critical aspect of operational success. High-purity Gold Powder, identified by CAS number 7440-57-5, is one such material where quality assurance and supply chain reliability are non-negotiable. This guide aims to assist procurement managers and R&D scientists in making informed purchasing decisions.
Understanding the Product: Gold Powder (CAS 7440-57-5)
Gold Powder is prized for its elemental properties, with a molecular formula of Au and a molecular weight of 196.9666. Its physical characteristics, such as a density of 19.3 g/mL at 25°C and zero solubility, make it stable in various applications. The most critical attribute for industrial use is its purity, often specified at ≥99%. This high level of purity is essential for its role as a fine chemical and its potential use as a pharmaceutical intermediate.
When you are looking to buy Gold Powder, scrutinizing the supplier's specifications is paramount. Ensure that the product offered matches the CAS number 7440-57-5 and meets the purity requirements for your specific application. Understanding the physical form – typically a white powder – and its handling properties is also important.
Key Considerations When Choosing a Supplier
Selecting the right manufacturer or supplier for Gold Powder involves several key considerations:
The Role of Gold Powder in Various Industries
While this document focuses on its potential as a pharmaceutical intermediate, Gold Powder finds applications in other sectors as well. Its unique properties make it valuable in advanced materials research, specialized coatings, and certain catalysts. Therefore, when you search for Gold Powder, consider the broad spectrum of its utility.
How to Initiate a Purchase
To purchase Gold Powder, begin by identifying potential manufacturers and suppliers. Contact them directly to request a quote and discuss your specific needs. Clearly state the product (Gold Powder), CAS number (7440-57-5), required purity, quantity, and any specific packaging requirements. Many suppliers will also ask for your intended application to ensure the product is suitable.
For those looking to buy Gold Powder in China, NINGBO INNO PHARMCHEM CO.,LTD. is a notable supplier that emphasizes quality and customer service. Engaging with such suppliers provides access to cost-effective solutions without compromising on the integrity of the chemical. By following these guidelines, buyers can confidently source high-purity Gold Powder to meet their critical industrial demands.
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.