Hypophosphorous Acid

Chemical Identification

• Product Name: Hypophosphorous Acid

• CAS Number: 6303-21-5

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• Molecular Formula: H₃PO₂

• Molecular Weight: 66.00 g/mol

• Chemical Type: Inorganic phosphorus acid

• Appearance: Colorless to slightly yellow transparent liquid

• Solubility: Completely miscible with water

  
  

Key Properties

• Strong reducing capability

• High chemical stability under proper storage

• Excellent reaction controllability

• Low impurity content for industrial use

• Suitable for precision chemical synthesis

  
  

Typical Applications

Hypophosphorous Acid is widely used across different industries due to its versatility:

Chemical Synthesis

• Used as a reducing agent in organic and inorganic synthesis

• Intermediate in the production of phosphorus-containing compounds

  
  

Electroplating & Surface Treatment

• Applied in electroless nickel plating as a reducing component

• Helps improve coating uniformity and adhesion

  
  

Polymer & Resin Industry

• Used in the synthesis of phosphinate-based additives

• Supports controlled polymer modification processes

  
  

Pharmaceutical & Fine Chemicals

• Employed in reaction steps requiring selective reduction

• Used in specialty chemical manufacturing

  
  

Packaging & Storage

• Common Packaging: Plastic drums or IBC containers

• Storage Conditions:

• Store in a cool, dry, well-ventilated area

• Keep containers tightly closed

• Avoid contact with oxidizing agents

• Shelf Life: Stable under recommended storage conditions

  
  

Safety & Handling

• Handle with appropriate personal protective equipment

• Avoid direct contact with skin and eyes

• Use in accordance with standard chemical handling practices

• Suitable for professional and industrial use only

  
  

Frequently Asked Questions (FAQs)

What is Hypophosphorous Acid mainly used for?

It is primarily used as a reducing agent, chemical intermediate, and auxiliary material in electroplating, polymer synthesis, and fine chemical manufacturing.

Is Hypophosphorous Acid soluble in water?

Yes, it is fully soluble in water and is commonly supplied as an aqueous solution.

Can Hypophosphorous Acid be used in industrial-scale production?

Yes. It is widely used in large-scale industrial processes, especially in electroplating, chemical synthesis, and specialty chemicals.

How should Hypophosphorous Acid be stored?

It should be stored in sealed containers, away from heat and oxidizing substances, in a cool and well-ventilated environment.

Is this product suitable for export and international shipment?

Yes. Hypophosphorous Acid is commonly supplied for international markets with standard export packaging and documentation.

Contact Us

For specifications, pricing, technical details, or bulk orders, please contact us:

Email: lisa@aozunchem.com
WeChat / WhatsApp: +86-186-5121-5887

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