Custom Manufacturing, Project Outsourcing, your Trusted Partner from China
Navigating the chemical landscape can be complex, especially when selecting the appropriate grade of a versatile compound like Propylene Glycol (PG), also known as 1,2-Propanediol. The choice between USP (United States Pharmacopeia) grade and Industrial grade PG significantly impacts product safety, performance, and regulatory compliance. As a leading chemical manufacturer and supplier, we aim to clarify these distinctions to help businesses make informed purchasing decisions.
USP Grade Propylene Glycol: The Standard for Human Contact
USP grade Propylene Glycol is manufactured to meet the stringent standards set by the United States Pharmacopeia and the Food Chemical Codex (FCC). This signifies the highest level of purity, with extremely low levels of impurities. Its defining characteristic is its safety for human consumption and contact, leading to its widespread use in:
When your application involves direct human exposure, whether through ingestion, topical application, or inhalation, purchasing USP grade Propylene Glycol is imperative. Its rigorous quality control ensures it is free from harmful byproducts and contaminants.
Industrial Grade Propylene Glycol: Performance for Non-Contact Applications
Industrial grade Propylene Glycol is formulated for applications where human contact is not a primary concern. While still a high-quality chemical, it may have slightly less stringent purity requirements compared to USP grade. Its primary uses include:
For these applications, industrial grade Propylene Glycol offers excellent performance at a potentially more competitive price point. However, it is vital to ensure that the specific industrial application does not necessitate USP grade due to any potential for incidental contact or downstream processing that could lead to human exposure.
Key Considerations When Buying Propylene Glycol
When you need to buy Propylene Glycol, understanding the intended application is the first step. If you are manufacturing pharmaceuticals, food products, or cosmetics, always opt for USP grade. For industrial applications where safety from toxicity is still a major factor, but direct consumption is not an issue, industrial grade is suitable. It is also crucial to consider whether an inhibited formulation is required, especially for heat transfer and antifreeze applications, to protect against corrosion.
As a leading manufacturer and supplier, we offer both USP and Industrial grades of Propylene Glycol, including inhibited formulations. We are committed to providing our clients with high-quality chemicals sourced reliably from China. Whether you require bulk quantities for large-scale manufacturing or specific grades for specialized uses, our team is ready to assist. Contact us today for pricing, samples, and to secure a consistent supply of 1,2-Propanediol for your business needs.
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.
