Skip to content

One of the CAS 6303-21-5 Hypophosphorous acid best suppliers in China

Product Picture


Product Details

Product Name: Hypophosphorous acid

Synonyms:Diphosphoric(IV) acid;Hypophosphorous acid, 50 wt.% solution in water 1LT;Hypophosphorous acid (HPA);Hypophosphorous acid, 50 wt.% solution in H2O;Hypophosphorous Acid, 30 Percent (w/v) Solution;Hypophosphorous acid aqueous solution;Hypophosphorous Acid 50%/70% (HPA);Hypophosphorous acid solution 50 wt. % in H2O

Cas No:6303-21-5

Molecular Formula:HO2P

Molecular Weight: 63.980501

Density: 1.206 g/mL at 20 °C(lit.)

Melting Point: -25 °C

Boiling Point: 108 °C (759.8513 mmHg)

Purity: 98%

Appearance:colorless liquid

Package: according to the client’s requirement

ProductionCapacity: 1-1000 Metric Ton/Day

Usage:  Hypophosphorous acid is primarily used for electroless nickel plating. It is involved in the reduction of arenediazonium salts. It acts as an additive in Fischer esterification reactions. Also, it serves as a neutralizing agent, antioxidant, catalyst in polymerization and poly condensation, and wetting agent. Further, it is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment and retrieval of precious or non-ferrous metals. In addition to this, it is used as bleaching agents for plastics, synthetic fibers, decolorizing agent and for color stabilization during the manufacture of chemicals and several plastics.


Our Advantage

  1. The best quality you require
  2. Competitive prices in the Chinese market
  3. Mature technical support
  4. Professional logistics support What we want is a win-win business.


Q1: Can i get some samples ?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments ?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. We can accept payment by T/T, Western Union,L/C,Bitcoin and other payment you want.

Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What’s your MOQ ?
A:Our MOQ is 10g, 100g and 1kg for your evaluation quality of our goods on the condition that sample charge is 100% paid

Q5: How long will it take to get the good
A:Depending on your location, For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS. For mass order, please allow 5-8 days by Air, 20-35 days by Sea.

Q6:Is there a discount ?
A:Different quantity has different discount.

Q7: How do you treat quality complaint ?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.


Send your inquiries, you will get it!


There are no reviews yet.

Be the first to review “CAS 6303-21-5 Hypophosphorous acid”

Your email address will not be published. Required fields are marked *

You may also like…