Pharmaceutical intermediate
Hypophosphorous Acid for pharmacy Hypophosphorous acid h3po2
Hypophosphorous acid Introduction
Hypophosphorous acid (H₃PO₂) is an important inorganic compound with unique chemical properties and extensive industrial applications. It is a colorless and transparent liquid with strong reducing properties, capable of participating in a variety of chemical reactions. Strict adherence to operating procedures is essential during its use to ensure safety and effectiveness.
Hypophosphorous acid Physical and Chemical Properties
Hypophosphorous acid is a monoprotic weak acid with the molecular formula H₃PO₂ and a relative molecular mass of 68.98. It is highly soluble in water, where it can fully dissociate into hydrogen ions (H⁺) and hypophosphite ions (H₂PO₂⁻). The strong reducing power of hypophosphorous acid enables it to reduce a variety of metal ions and oxidizing agents. For example, when reacting with silver ions (Ag⁺), hypophosphorous acid can reduce silver ions to elemental silver (Ag), while being oxidized to phosphoric acid (H₃PO₄) itself.
Hypophosphorous acid Main Applications
Electroless Plating: Hypophosphorous acid is a key reducing agent in electroless nickel plating. During this process, it reduces nickel ions to metallic nickel, forming a uniform and dense nickel-phosphorus alloy coating. This coating exhibits excellent wear resistance, corrosion resistance, and hardness, making it widely used in aerospace, automotive manufacturing, and electronics industries. For instance, in the surface treatment of aviation engine components, the use of hypophosphorous acid for electroless nickel plating can significantly enhance the service life and reliability of the components.
Hypophosphorous acid Organic Synthesis
Hypophosphorous acid can serve as a reducing agent in organic synthesis, used to reduce aldehydes, ketones, and carboxylic acids. For example, in the synthesis of certain pharmaceutical intermediates, hypophosphorous acid can reduce aldehyde groups to methylene groups, thereby facilitating complex organic synthesis reactions.
Hypophosphorous acid Analytical Chemistry
In analytical chemistry, hypophosphorous acid can be used for the quantitative analysis of certain metal ions. For example, through titration, the reducing power of hypophosphorous acid can be utilized to determine the concentration of silver ions in a solution. Additionally, hypophosphorous acid can be used to mask certain interfering ions, thereby improving the accuracy and sensitivity of analysis.
SPECIFICATION
| Product name | hypophosphorous acid |
| Other Names | phosphinic acid |
| CAS No. | 6303-21-5 |
| MF | H3PO2 |
| Appearance | Colorless oily liquid |
| Packaging | 1kg/5kg/25kg/200kg |
Packaging
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Logistics and Payment
Chengdu Yurong Chemical Co., Ltd. is a supplier of hypophosphorous acid, and hypophosphorous acid is also one of our best-selling products. Our company cooperates with many logistics companies and offers a variety of logistics methods to choose from. Fast delivery and short transportation cycle.
FAQ
1. Can I get a sample before placing an order?
Yes, we can supply the free sample, but the shipping cost is paid by our clients.
2. Can you supply the relevant documentation?
Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required.
3. What is the average lead time?
Our lead time is within 7 days for samples and most products ordered in quantities under 1,000 kg. For bulk production, please contact our customer service to discuss lead times.
4. Do you guarantee safe and secure delivery of products?
Yes, we always use safe and high - quality export packaging. For sensitive goods, we use discreet packaging. We also support customization and DDP door - to - door shipping services.
5. How about the shipping fees?
The shipping cost depends on the way you choose to get the goods. Express is normally the most quickest but also most expensive way. By seafreight is the best solution for big amounts. Exactly freight rates we can only give you if we know the details of amount, weight and way. Please contact us for further information.