Diphenhydramine Hydrochloride, identified by its CAS number 147-24-0, is a chemical compound that has carved a significant niche in the pharmaceutical industry. NINGBO INNO PHARMCHEM CO.,LTD. specializes in providing this API in a high-purity powder form, which is essential for its efficacy and adaptability in various pharmaceutical formulations.
Chemically, Diphenhydramine Hydrochloride is an ethanolamine derivative and a first-generation antihistamine. Its molecular structure allows it to antagonize histamine H1 receptors, thereby blocking the action of histamine and alleviating allergic symptoms. The high purity of the powder, often exceeding 99%, is critical for pharmaceutical applications, ensuring predictable therapeutic outcomes and minimizing the risk of adverse reactions. Buyers actively seeking to buy high purity diphenhydramine hydrochloride powder recognize this necessity.
The physical form of Diphenhydramine Hydrochloride as a white crystalline powder is crucial for its handling and formulation. This powder form facilitates precise dosing and uniform distribution when incorporated into tablets, capsules, or liquid preparations. Manufacturers value this consistency when developing products for allergies, insomnia, and motion sickness. This is why sourcing pharmaceutical grade diphenhydramine hydrochloride is a priority for many.
Understanding the chemical profile is also key to appreciating its broader applications. Beyond its primary antihistaminic function, its anticholinergic and sedative properties are utilized in various medications. The competitive diphenhydramine hydrochloride powder price for bulk orders from reliable suppliers like NINGBO INNO PHARMCHEM CO.,LTD. makes it an economically viable choice for large-scale production.
NINGBO INNO PHARMCHEM CO.,LTD. is committed to maintaining rigorous quality control throughout the production of Diphenhydramine Hydrochloride powder. This ensures that clients receive an API that meets all necessary specifications for pharmaceutical use. As a trusted diphenhydramine hcl for antihistamine and sleep aid production, the company plays a vital role in the pharmaceutical supply chain.
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.