China Phosphorous Acid,Phosphorous Acid SupplierChina Phosphorous Acid,Phosphorous Acid SupplierChina Phosphorous Acid,Phosphorous Acid SupplierChina Phosphorous Acid,Phosphorous Acid Supplier

China Phosphorous Acid,Phosphorous Acid Supplier

  • 1. CAS No.:13598-36-2; 10294-56-1 MF:H3PO3 ; E No.:237-066-7
  • 2. Grade: Industrial Grade
  • 3. Appearance: White crystalline Powder
  • 4. Package: double layers plastic bag with net weight of 25kg
  • 5. Shelf life:  2 Years
  • 6. Competitive price with high quality
  • 7. Purity: 99% min
  • 8. MOQ: 10MT

Phosphorous Acid COA

Test Item

Top Grade-1

Top Grade-2

First Grade I

First Grade III

Main content (H3PO3 in dollars) (%)

99.0 Min

99.0 Min

98.5 Min

98.5 Min

Iron (FE) (PPM)

5 Max

10 Max

20 Max

50 Max

Chloride (Cl) (%)

0.0008 Max

0.001 Max

0.002 Max

0.02 Max

Sulphate (SO4 in dollars)

0.0008 Max

0.006 Max

0.008 Max

0.01 Max

Phosphate (PO4 in dollars)

0.05 Max

0.1 Max

0.2 Max

0.6 Max


Pure White Crysta

Pure White Crystal

Pure White Crysta

Pure White Crysta

70% Aqueous Solution Test

Colorless transparent

Colorless transparen



Liquid POA (%)

70-80 Min.

70-80 Min.





Packaging & Shipping

Phosphorous Acid  Packaging: 25kg/bag or according to client request
Phosphorous Acid  Delivery Detail: 2 weeks after confirm order.

Some of the products can be supplied within 7 days on the strength of EDC warehouse.



Our Services

1. Complex chemical supplier in China with over 5 years of experience.

2. Arrange the orders and shipping with cus requests in time, According to the different countries export policy provide complete customs clearance documents.

3. Variety of high quality chemical products with competitive price.



Company Information

Hubei Ocean Biotechnology has concentrated on food additives,Vitamins,and some relative chemicals for over 20 years domestic experience and 5 years of international experience.



1. What's your payment terms?
T/T or L/C.

2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days,due to different products you choose.

3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton,and also as your request bag.

4. How about the validity of the products?
According to the products you ordered.

5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate 

and Origin certificate. If your markets have any special requirements, let us know.

6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.

Wuhan Ocean Biotech Co., Ltd.


Contact Person:Ray Dean

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